6a9d31a7d4
* Makefile.am (texinfo): Add texinfo target for generating texinfo
documentation.
* Makefile.in: Rebuilt.
* scripts/TexinfoDoclet.java: New file.
* doc/java-applet.texi, doc/java-lang-reflect.texi,
doc/java-awt-color.texi, doc/java-lang.texi,
doc/java-awt-datatransfer.texi, doc/java-math.texi,
doc/java-awt-event.texi, doc/java-net.texi,
doc/java-awt-geom.texi, doc/java-security-spec.texi,
doc/java-awt-image.texi, doc/java-security.texi,
doc/java-awt-peer.texi, doc/java-sql.texi, doc/java-awt.texi,
doc/java-text.texi, doc/java-beans-beancontext.texi,
doc/java-util-jar.texi, doc/java-beans.texi,
doc/java-util-zip.texi, doc/java-io.texi, doc/java-util.texi,
doc/java-lang-ref.texi: New files.
From-SVN: r38789
2593 lines
108 KiB
Plaintext
2593 lines
108 KiB
Plaintext
@deftypemethod BufferedInputStream {public synchronized int} available () @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedInputStream {public void} close () @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedInputStream {public synchronized void} mark (int@w{ }@var{readlimit})
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@end deftypemethod
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@deftypemethod BufferedInputStream {public boolean} markSupported ()
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@end deftypemethod
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@deftypemethod BufferedInputStream {public synchronized int} read () @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedInputStream {public synchronized int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedInputStream {public synchronized void} reset () @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedInputStream {public synchronized long} skip (long@w{ }@var{n}) @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedOutputStream {public synchronized void} flush () @*throws IOException
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This method causes any currently buffered bytes to be immediately
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written to the underlying output stream.
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@end deftypemethod
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@deftypemethod BufferedOutputStream {public synchronized void} write (int@w{ }@var{b}) @*throws IOException
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This method writes a single byte of data. This will be written to the
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buffer instead of the underlying data source. However, if the buffer
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is filled as a result of this write request, it will be flushed to the
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underlying output stream.
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@end deftypemethod
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@deftypemethod BufferedOutputStream {public synchronized void} write (byte[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
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This method writes @code{len} bytes from the byte array
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@code{buf} starting at position @code{offset} in the buffer.
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These bytes will be written to the internal buffer. However, if this
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write operation fills the buffer, the buffer will be flushed to the
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underlying output stream.
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@end deftypemethod
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@deftypemethod BufferedReader {public void} close () @*throws IOException
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This method closes the stream
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@end deftypemethod
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@deftypemethod BufferedReader {public boolean} markSupported ()
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Returns @code{true} to indicate that this class supports mark/reset
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functionality.
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@end deftypemethod
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@deftypemethod BufferedReader {public void} mark (int@w{ }@var{readLimit}) @*throws IOException
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Mark a position in the input to which the stream can be
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"reset" by calling the @code{reset()} method. The parameter
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@code{readlimit} is the number of chars that can be read from the
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stream after setting the mark before the mark becomes invalid. For
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example, if @code{mark()} is called with a read limit of 10, then
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when 11 chars of data are read from the stream before the
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@code{reset()} method is called, then the mark is invalid and the
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stream object instance is not required to remember the mark.
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Note that the number of chars that can be remembered by this method
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can be greater than the size of the internal read buffer. It is also
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not dependent on the subordinate stream supporting mark/reset
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functionality.
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@end deftypemethod
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@deftypemethod BufferedReader {public void} reset () @*throws IOException
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Reset the stream to the point where the @code{mark()} method
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was called. Any chars that were read after the mark point was set will
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be re-read during subsequent reads.
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This method will throw an IOException if the number of chars read from
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the stream since the call to @code{mark()} exceeds the mark limit
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passed when establishing the mark.
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@end deftypemethod
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@deftypemethod BufferedReader {public boolean} ready () @*throws IOException
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This method determines whether or not a stream is ready to be read. If
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This method returns @code{false} then this stream could (but is
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not guaranteed to) block on the next read attempt.
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@end deftypemethod
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@deftypemethod BufferedReader {public int} read (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
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This method read chars from a stream and stores them into a caller
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supplied buffer. It starts storing the data at index @code{offset} into
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the buffer and attempts to read @code{len} chars. This method can
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return before reading the number of chars requested. The actual number
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of chars read is returned as an int. A -1 is returned to indicate the
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end of the stream.
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This method will block until some data can be read.
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@end deftypemethod
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@deftypemethod BufferedReader {public int} read () @*throws IOException
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@end deftypemethod
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@deftypemethod BufferedReader {public String} readLine () @*throws IOException
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This method reads a single line of text from the input stream, returning
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it as a @code{String}. A line is terminated by "\n", a "\r", or
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an "\r\n" sequence. The system dependent line separator is not used.
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The line termination characters are not returned in the resulting
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@code{String}.
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@end deftypemethod
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@deftypemethod BufferedReader {public long} skip (long@w{ }@var{count}) @*throws IOException
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This method skips the specified number of chars in the stream. It
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returns the actual number of chars skipped, which may be less than the
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requested amount.
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This method first discards chars in the buffer, then calls the
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@code{skip} method on the underlying stream to skip the remaining chars.
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@end deftypemethod
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@deftypemethod BufferedWriter {public void} close () @*throws IOException
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This method flushes any remaining buffered chars then closes the
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underlying output stream. Any further attempts to write to this stream
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may throw an exception
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@end deftypemethod
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@deftypemethod BufferedWriter {public void} flush () @*throws IOException
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This method causes any currently buffered chars to be immediately
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written to the underlying output stream.
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@end deftypemethod
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@deftypemethod BufferedWriter {public void} newLine () @*throws IOException
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This method writes out a system depedent line separator sequence. The
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actual value written is detemined from the <xmp>line.separator</xmp>
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system property.
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@end deftypemethod
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@deftypemethod BufferedWriter {public void} write (int@w{ }@var{oneChar}) @*throws IOException
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This method writes a single char of data. This will be written to the
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buffer instead of the underlying data source. However, if the buffer
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is filled as a result of this write request, it will be flushed to the
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underlying output stream.
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@end deftypemethod
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@deftypemethod BufferedWriter {public void} write (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
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This method writes @code{len} chars from the char array
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@code{buf} starting at position @code{offset} in the buffer.
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These chars will be written to the internal buffer. However, if this
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write operation fills the buffer, the buffer will be flushed to the
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underlying output stream.
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@end deftypemethod
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@deftypemethod BufferedWriter {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
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This method writes @code{len} chars from the @code{String}
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@code{str} starting at position @code{offset} in the string.
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These chars will be written to the internal buffer. However, if this
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write operation fills the buffer, the buffer will be flushed to the
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underlying output stream.
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public synchronized int} available ()
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public synchronized void} mark (int@w{ }@var{readAheadLimit})
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public boolean} markSupported ()
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public synchronized int} read ()
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public synchronized int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len})
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public synchronized void} reset ()
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@end deftypemethod
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@deftypemethod ByteArrayInputStream {public synchronized long} skip (long@w{ }@var{n})
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public synchronized void} reset ()
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This method discards all of the bytes that have been written to
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the internal buffer so far by setting the @code{count}
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variable to 0. The internal buffer remains at its currently
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allocated size.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public int} size ()
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This method returns the number of bytes that have been written to
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the buffer so far. This is the same as the value of the protected
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@code{count} variable. If the @code{reset} method is
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called, then this value is reset as well. Note that this method does
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not return the length of the internal buffer, but only the number
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of bytes that have been written to it.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public synchronized byte} toByteArray ()
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This method returns a byte array containing the bytes that have been
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written to this stream so far. This array is a copy of the valid
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bytes in the internal buffer and its length is equal to the number of
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valid bytes, not necessarily to the the length of the current
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internal buffer. Note that since this method allocates a new array,
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it should be used with caution when the internal buffer is very large.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public String} toString ()
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Returns the bytes in the internal array as a @code{String}. The
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bytes in the buffer are converted to characters using the system default
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encoding. There is an overloaded @code{toString()} method that
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allows an application specified character encoding to be used.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public String} toString (java.lang.String@w{ }@var{enc}) @*throws UnsupportedEncodingException
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Returns the bytes in the internal array as a @code{String}. The
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bytes in the buffer are converted to characters using the specified
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encoding.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public String} toString (int@w{ }@var{hibyte})
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This method returns the bytes in the internal array as a
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@code{String}. It uses each byte in the array as the low
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order eight bits of the Unicode character value and the passed in
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parameter as the high eight bits.
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This method does not convert bytes to characters in the proper way and
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so is deprecated in favor of the other overloaded @code{toString}
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methods which use a true character encoding.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public synchronized void} write (int@w{ }@var{oneByte})
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This method writes the writes the specified byte into the internal
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buffer.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public synchronized void} write (byte[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{add})
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This method writes @code{len} bytes from the passed in array
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@code{buf} starting at index @code{offset} into the
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internal buffer.
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@end deftypemethod
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@deftypemethod ByteArrayOutputStream {public synchronized void} writeTo (java.io.OutputStream@w{ }@var{out}) @*throws IOException
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This method writes all the bytes that have been written to this stream
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from the internal buffer to the specified @code{OutputStream}.
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@end deftypemethod
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@deftypemethod CharArrayReader {public void} close ()
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@end deftypemethod
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@deftypemethod CharArrayReader {public void} mark (int@w{ }@var{readAheadLimit})
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@end deftypemethod
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@deftypemethod CharArrayReader {public boolean} markSupported ()
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@end deftypemethod
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@deftypemethod CharArrayReader {public int} read () @*throws IOException
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@end deftypemethod
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@deftypemethod CharArrayReader {public int} read (char[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
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@end deftypemethod
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@deftypemethod CharArrayReader {public boolean} ready () @*throws IOException
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@end deftypemethod
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@deftypemethod CharArrayReader {public void} reset () @*throws IOException
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@end deftypemethod
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@deftypemethod CharArrayReader {public long} skip (long@w{ }@var{n}) @*throws IOException
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@end deftypemethod
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@deftypemethod CharArrayWriter {public void} close ()
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@end deftypemethod
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@deftypemethod CharArrayWriter {public void} flush ()
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@end deftypemethod
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@deftypemethod CharArrayWriter {public synchronized void} reset ()
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@end deftypemethod
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@deftypemethod CharArrayWriter {public int} size ()
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@end deftypemethod
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@deftypemethod CharArrayWriter {public char} toCharArray ()
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@end deftypemethod
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@deftypemethod CharArrayWriter {public String} toString ()
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@end deftypemethod
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@deftypemethod CharArrayWriter {public void} write (int@w{ }@var{oneChar})
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@end deftypemethod
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@deftypemethod CharArrayWriter {public void} write (char[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{len})
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@end deftypemethod
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@deftypemethod CharArrayWriter {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{len})
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@end deftypemethod
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@deftypemethod CharArrayWriter {public void} writeTo (java.io.Writer@w{ }@var{out}) @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public boolean} readBoolean () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public byte} readByte () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public char} readChar () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public double} readDouble () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public float} readFloat () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public void} readFully (byte[]@w{ }@var{b}) @*throws IOException, NullPointerException
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@end deftypemethod
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@deftypemethod DataInput {public void} readFully (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException, NullPointerException, IndexOutOfBoundsException
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@end deftypemethod
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@deftypemethod DataInput {public int} readInt () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public String} readLine () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public long} readLong () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public short} readShort () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public int} readUnsignedByte () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public int} readUnsignedShort () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public String} readUTF () @*throws IOException
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@end deftypemethod
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@deftypemethod DataInput {public int} skipBytes (int@w{ }@var{n}) @*throws IOException
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@end deftypemethod
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@deftypemethod DataInputStream {public final int} read (byte[]@w{ }@var{b}) @*throws IOException
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This method reads bytes from the underlying stream into the specified
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byte array buffer. It will attempt to fill the buffer completely, but
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may return a short count if there is insufficient data remaining to be
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read to fill the buffer.
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@end deftypemethod
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@deftypemethod DataInputStream {public final int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
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This method reads bytes from the underlying stream into the specified
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byte array buffer. It will attempt to read @code{len} bytes and
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will start storing them at position @code{off} into the buffer.
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This method can return a short count if there is insufficient data
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remaining to be read to complete the desired read length.
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@end deftypemethod
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@deftypemethod DataInputStream {public final boolean} readBoolean () @*throws IOException
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This method reads a Java boolean value from an input stream. It does
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so by reading a single byte of data. If that byte is zero, then the
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value returned is @code{false}. If the byte is non-zero, then
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the value returned is @code{true}.
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This method can read a @code{boolean} written by an object
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implementing the @code{writeBoolean()} method in the
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@code{DataOutput} interface.
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@end deftypemethod
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@deftypemethod DataInputStream {public final byte} readByte () @*throws IOException
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This method reads a Java byte value from an input stream. The value
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is in the range of -128 to 127.
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This method can read a @code{byte} written by an object
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implementing the @code{writeByte()} method in the
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@code{DataOutput} interface.
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@end deftypemethod
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@deftypemethod DataInputStream {public final char} readChar () @*throws IOException
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This method reads a Java @code{char} value from an input stream.
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It operates by reading two bytes from the stream and converting them to
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a single 16-bit Java @code{char}. The two bytes are stored most
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significant byte first (i.e., "big endian") regardless of the native
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host byte ordering.
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As an example, if @code{byte1} and @code{byte2}
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represent the first and second byte read from the stream
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respectively, they will be transformed to a @code{char} in
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the following manner:
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@code{(char)(((byte1 & 0xFF) << 8) | (byte2 & 0xFF)}
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This method can read a @code{char} written by an object
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implementing the @code{writeChar()} method in the
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@code{DataOutput} interface.
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@end deftypemethod
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@deftypemethod DataInputStream {public final double} readDouble () @*throws IOException
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This method reads a Java double value from an input stream. It operates
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by first reading a @code{long} value from the stream by calling the
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@code{readLong()} method in this interface, then converts
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that @code{long} to a @code{double} using the
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@code{longBitsToDouble} method in the class
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@code{java.lang.Double}
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This method can read a @code{double} written by an object
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implementing the @code{writeDouble()} method in the
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@code{DataOutput} interface.
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@end deftypemethod
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@deftypemethod DataInputStream {public final float} readFloat () @*throws IOException
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This method reads a Java float value from an input stream. It
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operates by first reading an @code{int} value from the
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stream by calling the @code{readInt()} method in this
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interface, then converts that @code{int} to a
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@code{float} using the @code{intBitsToFloat} method
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in the class @code{java.lang.Float}
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This method can read a @code{float} written by an object
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implementing the * @code{writeFloat()} method in the
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@code{DataOutput} interface.
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@end deftypemethod
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@deftypemethod DataInputStream {public final void} readFully (byte[]@w{ }@var{b}) @*throws IOException
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This method reads raw bytes into the passed array until the array is
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full. Note that this method blocks until the data is available and
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throws an exception if there is not enough data left in the stream to
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fill the buffer
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@end deftypemethod
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@deftypemethod DataInputStream {public final void} readFully (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
This method reads raw bytes into the passed array
|
|
@code{buf} starting @code{offset} bytes into the
|
|
buffer. The number of bytes read will be exactly
|
|
@code{len} Note that this method blocks until the data is
|
|
available and * throws an exception if there is not enough data
|
|
left in the stream to read @code{len} bytes.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final int} readInt () @*throws IOException
|
|
This method reads a Java @code{int} value from an input
|
|
stream It operates by reading four bytes from the stream and
|
|
converting them to a single Java @code{int} The bytes are
|
|
stored most significant byte first (i.e., "big endian")
|
|
regardless of the native host byte ordering.
|
|
|
|
|
|
|
|
As an example, if @code{byte1} through @code{byte4}
|
|
represent the first four bytes read from the stream, they will be
|
|
transformed to an @code{int} in the following manner:
|
|
|
|
|
|
|
|
@code{(int)(((byte1 & 0xFF) << 24) + ((byte2 & 0xFF) << 16) +
|
|
((byte3 & 0xFF) << 8) + (byte4 & 0xFF)))}
|
|
|
|
|
|
|
|
The value returned is in the range of 0 to 65535.
|
|
|
|
|
|
|
|
This method can read an @code{int} written by an object
|
|
implementing the @code{writeInt()} method in the
|
|
@code{DataOutput} interface.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final String} readLine () @*throws IOException
|
|
This method reads the next line of text data from an input
|
|
stream. It operates by reading bytes and converting those bytes
|
|
to @code{char} values by treating the byte read as the low
|
|
eight bits of the @code{char} and using 0 as the high eight
|
|
bits. Because of this, it does not support the full 16-bit
|
|
Unicode character set.
|
|
|
|
|
|
|
|
The reading of bytes ends when either the end of file or a line
|
|
terminator is encountered. The bytes read are then returned as a
|
|
@code{String} A line terminator is a byte sequence
|
|
consisting of either @code{\r}, @code{\n} or
|
|
@code{\r\n}. These termination charaters are discarded and
|
|
are not returned as part of the string.
|
|
|
|
|
|
|
|
This method can read data that was written by an object implementing the
|
|
@code{writeLine()} method in @code{DataOutput}.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final long} readLong () @*throws IOException
|
|
This method reads a Java long value from an input stream
|
|
It operates by reading eight bytes from the stream and converting them to
|
|
a single Java @code{long} The bytes are stored most
|
|
significant byte first (i.e., "big endian") regardless of the native
|
|
host byte ordering.
|
|
|
|
|
|
|
|
As an example, if @code{byte1} through @code{byte8}
|
|
represent the first eight bytes read from the stream, they will
|
|
be transformed to an @code{long} in the following manner:
|
|
|
|
|
|
|
|
@code{(long)((((long)byte1 & 0xFF) << 56) + (((long)byte2 & 0xFF) << 48) +
|
|
(((long)byte3 & 0xFF) << 40) + (((long)byte4 & 0xFF) << 32) +
|
|
(((long)byte5 & 0xFF) << 24) + (((long)byte6 & 0xFF) << 16) +
|
|
(((long)byte7 & 0xFF) << 8) + ((long)byte9 & 0xFF)))}
|
|
|
|
|
|
|
|
The value returned is in the range of 0 to 65535.
|
|
|
|
|
|
|
|
This method can read an @code{long} written by an object
|
|
implementing the @code{writeLong()} method in the
|
|
@code{DataOutput} interface.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final short} readShort () @*throws IOException
|
|
This method reads a signed 16-bit value into a Java in from the
|
|
stream. It operates by reading two bytes from the stream and
|
|
converting them to a single 16-bit Java @code{short}. The
|
|
two bytes are stored most significant byte first (i.e., "big
|
|
endian") regardless of the native host byte ordering.
|
|
|
|
|
|
|
|
As an example, if @code{byte1} and @code{byte2}
|
|
represent the first and second byte read from the stream
|
|
respectively, they will be transformed to a @code{short}. in
|
|
the following manner:
|
|
|
|
|
|
|
|
@code{(short)(((byte1 & 0xFF) << 8) | (byte2 & 0xFF)}
|
|
|
|
|
|
|
|
The value returned is in the range of -32768 to 32767.
|
|
|
|
|
|
|
|
This method can read a @code{short} written by an object
|
|
implementing the @code{writeShort()} method in the
|
|
@code{DataOutput} interface.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final int} readUnsignedByte () @*throws IOException
|
|
This method reads 8 unsigned bits into a Java @code{int}
|
|
value from the stream. The value returned is in the range of 0 to
|
|
255.
|
|
|
|
|
|
|
|
This method can read an unsigned byte written by an object
|
|
implementing the @code{writeUnsignedByte()} method in the
|
|
@code{DataOutput} interface.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final int} readUnsignedShort () @*throws IOException
|
|
This method reads 16 unsigned bits into a Java int value from the stream.
|
|
It operates by reading two bytes from the stream and converting them to
|
|
a single Java @code{int} The two bytes are stored most
|
|
significant byte first (i.e., "big endian") regardless of the native
|
|
host byte ordering.
|
|
|
|
|
|
|
|
As an example, if @code{byte1} and @code{byte2}
|
|
represent the first and second byte read from the stream
|
|
respectively, they will be transformed to an @code{int} in
|
|
the following manner:
|
|
|
|
|
|
|
|
@code{(int)(((byte1 & 0xFF) << 8) + (byte2 & 0xFF))}
|
|
|
|
|
|
|
|
The value returned is in the range of 0 to 65535.
|
|
|
|
|
|
|
|
This method can read an unsigned short written by an object
|
|
implementing the @code{writeUnsignedShort()} method in the
|
|
@code{DataOutput} interface.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final String} readUTF () @*throws IOException
|
|
This method reads a @code{String} from an input stream that
|
|
is encoded in a modified UTF-8 format. This format has a leading
|
|
two byte sequence that contains the remaining number of bytes to
|
|
read. This two byte sequence is read using the
|
|
@code{readUnsignedShort()} method of this interface.
|
|
|
|
|
|
|
|
After the number of remaining bytes have been determined, these
|
|
bytes are read an transformed into @code{char} values.
|
|
These @code{char} values are encoded in the stream using
|
|
either a one, two, or three byte format. The particular format
|
|
in use can be determined by examining the first byte read.
|
|
|
|
|
|
|
|
If the first byte has a high order bit of 0, then that character
|
|
consists on only one byte. This character value consists of
|
|
seven bits that are at positions 0 through 6 of the byte. As an
|
|
example, if @code{byte1} is the byte read from the stream,
|
|
it would be converted to a @code{char} like so:
|
|
|
|
|
|
|
|
@code{(char)byte1}
|
|
|
|
|
|
|
|
If the first byte has 110 as its high order bits, then the
|
|
character consists of two bytes. The bits that make up the character
|
|
value are in positions 0 through 4 of the first byte and bit positions
|
|
0 through 5 of the second byte. (The second byte should have
|
|
10 as its high order bits). These values are in most significant
|
|
byte first (i.e., "big endian") order.
|
|
|
|
|
|
|
|
As an example, if @code{byte1} and @code{byte2} are
|
|
the first two bytes read respectively, and the high order bits of
|
|
them match the patterns which indicate a two byte character
|
|
encoding, then they would be converted to a Java
|
|
@code{char} like so:
|
|
|
|
|
|
|
|
@code{(char)(((byte1 & 0x1F) << 6) | (byte2 & 0x3F))}
|
|
|
|
|
|
|
|
If the first byte has a 1110 as its high order bits, then the
|
|
character consists of three bytes. The bits that make up the character
|
|
value are in positions 0 through 3 of the first byte and bit positions
|
|
0 through 5 of the other two bytes. (The second and third bytes should
|
|
have 10 as their high order bits). These values are in most
|
|
significant byte first (i.e., "big endian") order.
|
|
|
|
|
|
|
|
As an example, if @code{byte1} @code{byte2} and
|
|
@code{byte3} are the three bytes read, and the high order
|
|
bits of them match the patterns which indicate a three byte
|
|
character encoding, then they would be converted to a Java
|
|
@code{char} like so:
|
|
|
|
|
|
|
|
@code{(char)(((byte1 & 0x0F) << 12) | ((byte2 & 0x3F) << 6) | (byte3 & 0x3F))}
|
|
|
|
|
|
|
|
Note that all characters are encoded in the method that requires
|
|
the fewest number of bytes with the exception of the character
|
|
with the value of @code{\u0000} which is encoded as two
|
|
bytes. This is a modification of the UTF standard used to
|
|
prevent C language style @code{NUL} values from appearing
|
|
in the byte stream.
|
|
|
|
|
|
|
|
This method can read data that was written by an object implementing the
|
|
@code{writeUTF()} method in @code{DataOutput}
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public static final String} readUTF (java.io.DataInput@w{ }@var{in}) @*throws IOException
|
|
This method reads a String encoded in UTF-8 format from the
|
|
specified @code{DataInput} source.
|
|
@end deftypemethod
|
|
@deftypemethod DataInputStream {public final int} skipBytes (int@w{ }@var{n}) @*throws IOException
|
|
This method attempts to skip and discard the specified number of bytes
|
|
in the input stream. It may actually skip fewer bytes than requested.
|
|
This method will not skip any bytes if passed a negative number of bytes
|
|
to skip.
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} write (int@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} write (byte[]@w{ }@var{b}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException, NullPointerException, IndexOutOfBoundsException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeBoolean (boolean@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeByte (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeShort (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeChar (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeInt (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeLong (long@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeFloat (float@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeDouble (double@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeBytes (java.lang.String@w{ }@var{s}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeChars (java.lang.String@w{ }@var{s}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutput {public void} writeUTF (java.lang.String@w{ }@var{s}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final int} size ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public synchronized void} write (int@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public synchronized void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException, NullPointerException, IndexOutOfBoundsException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeBoolean (boolean@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeByte (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeShort (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeChar (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeInt (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeLong (long@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeFloat (float@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeDouble (double@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeBytes (java.lang.String@w{ }@var{s}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeChars (java.lang.String@w{ }@var{s}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod DataOutputStream {public final void} writeUTF (java.lang.String@w{ }@var{s}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Externalizable {public void} readExternal (java.io.ObjectInput@w{ }@var{in}) @*throws ClassNotFoundException, IOException
|
|
This method restores an object's state by reading in the instance data
|
|
for the object from the passed in stream. Note that this stream is not
|
|
a subclass of @code{InputStream}, but rather is a class that implements
|
|
the @code{ObjectInput} interface. That interface provides a mechanism for
|
|
reading in Java data types from a stream.
|
|
|
|
|
|
|
|
Note that this method must be compatible with @code{writeExternal}.
|
|
It must read back the exact same types that were written by that
|
|
method in the exact order they were written.
|
|
|
|
|
|
|
|
If this method needs to read back an object instance, then the class
|
|
for that object must be found and loaded. If that operation fails,
|
|
then this method throws a @code{ClassNotFoundException}
|
|
@end deftypemethod
|
|
@deftypemethod Externalizable {public void} writeExternal (java.io.ObjectOutput@w{ }@var{out}) @*throws IOException
|
|
This method is responsible for writing the instance data of an object
|
|
to the passed in stream. Note that this stream is not a subclass of
|
|
@code{OutputStream}, but rather is a class that implements the
|
|
@code{ObjectOutput} interface. That interface provides a number of methods
|
|
for writing Java data values to a stream.
|
|
|
|
|
|
|
|
Not that the implementation of this method must be coordinated with
|
|
the implementation of @code{readExternal}.
|
|
@end deftypemethod
|
|
@deftypemethod FileDescriptor {public native void} sync () @*throws SyncFailedException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileDescriptor {public native boolean} valid ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileDescriptor {protected void} finalize () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileFilter {public boolean} accept (java.io.File@w{ }@var{pathname})
|
|
This method determines whether or not a given pathname should be included
|
|
in a pathname listing.
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {protected void} finalize () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public final FileDescriptor} getFD () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public int} read (byte[]@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileInputStream {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} canRead ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} canWrite ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} delete ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} equals (java.lang.Object@w{ }@var{obj})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} exists ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} getAbsolutePath ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public native String} getCanonicalPath () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} getName ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} getParent ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public File} getParentFile ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} getPath ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public int} hashCode ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public native boolean} isAbsolute ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} isDirectory ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} isFile ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public long} lastModified ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public long} length ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} list (java.io.FilenameFilter@w{ }@var{filter})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} list ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public String} toString ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} mkdir ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} mkdirs ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public static File} createTempFile (java.lang.String@w{ }@var{prefix}, java.lang.String@w{ }@var{suffix}, java.io.File@w{ }@var{directory}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public static File} createTempFile (java.lang.String@w{ }@var{prefix}, java.lang.String@w{ }@var{suffix}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public boolean} renameTo (java.io.File@w{ }@var{dest})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod File {public void} deleteOnExit ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilenameFilter {public boolean} accept (java.io.File@w{ }@var{dir}, java.lang.String@w{ }@var{name})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileOutputStream {protected void} finalize () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileOutputStream {public final FileDescriptor} getFD () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileOutputStream {public void} write (int@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileOutputStream {public void} write (byte[]@w{ }@var{b}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileOutputStream {public void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException, NullPointerException, IndexOutOfBoundsException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FileOutputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilePermission {public String} getActions ()
|
|
Get the actions this FilePermission supports.
|
|
@end deftypemethod
|
|
@deftypemethod FilePermission {public int} hashCode ()
|
|
Get the hash code for this Object.
|
|
|
|
|
|
FilePermission's hash code is calculated as the exclusive or of the target
|
|
String's hash code and the action String's hash code.
|
|
@end deftypemethod
|
|
@deftypemethod FilePermission {public boolean} equals (java.lang.Object@w{ }@var{o})
|
|
Check two FilePermissions for semantic equality.
|
|
Two FilePermissions are exactly equivalent if they have identical path
|
|
expressions and have exactly the same access permissions.
|
|
@end deftypemethod
|
|
@deftypemethod FilePermission {public boolean} implies (java.security.Permission@w{ }@var{p})
|
|
Check to see if this permission implies another.
|
|
Permission A implies permission B if these things are all true:
|
|
|
|
@itemize @bullet
|
|
|
|
|
|
@item
|
|
A and B are both FilePermissions.
|
|
|
|
|
|
@item
|
|
All possible files in B are included in A (possibly more are in A).
|
|
|
|
|
|
@item
|
|
All actions B supports, A also supports.
|
|
|
|
|
|
@end itemize
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public synchronized void} mark (int@w{ }@var{readlimit})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public boolean} markSupported ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public int} read (byte[]@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public synchronized void} reset () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterInputStream {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterOutputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterOutputStream {public void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterOutputStream {public void} write (int@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterOutputStream {public void} write (byte[]@w{ }@var{b}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterOutputStream {public void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException, NullPointerException, IndexOutOfBoundsException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public synchronized void} mark (int@w{ }@var{readlimit}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public boolean} markSupported ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public int} read (char[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public boolean} ready () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public synchronized void} reset () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterReader {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterWriter {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterWriter {public void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterWriter {public void} write (int@w{ }@var{oneChar}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterWriter {public void} write (char[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod FilterWriter {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public void} mark (int@w{ }@var{readlimit})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public boolean} markSupported ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public abstract int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public int} read (byte[]@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public void} reset () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStream {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStreamReader {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStreamReader {public String} getEncoding ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStreamReader {public boolean} ready () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStreamReader {public int} read (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{length}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InputStreamReader {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod InvalidClassException {public String} getMessage ()
|
|
Returns the descriptive error message for this exception. It will
|
|
include the class name that caused the problem if known. This method
|
|
overrides Throwable.getMessage()
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public int} getLineNumber ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public void} mark (int@w{ }@var{readlimit})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public void} reset () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public void} setLineNumber (int@w{ }@var{lineNumber})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberInputStream {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public int} getLineNumber ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public void} setLineNumber (int@w{ }@var{lineNumber})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public void} mark (int@w{ }@var{readLimit}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public void} reset () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public int} read (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public String} readLine () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod LineNumberReader {public long} skip (long@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public int} available () @*throws IOException
|
|
This method returns the number of bytes that can be read without
|
|
blocking.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public int} read () @*throws IOException
|
|
This method reading a byte of data from a stream. It returns that byte
|
|
as an int. This method blocks if no data is available to be read.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public int} read (byte[]@w{ }@var{buf}) @*throws IOException
|
|
This method reads raw bytes and stores them them a byte array buffer.
|
|
Note that this method will block if no data is available. However,
|
|
it will not necessarily block until it fills the entire buffer. That is,
|
|
a "short count" is possible.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public int} read (byte[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
|
|
This method reads raw bytes and stores them in a byte array buffer
|
|
@code{buf} starting at position @code{offset} into the buffer. A
|
|
maximum of @code{len} bytes will be read. Note that this method
|
|
blocks if no data is available, but will not necessarily block until
|
|
it can read @code{len} bytes of data. That is, a "short count" is
|
|
possible.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public Object} readObject () @*throws ClassNotFoundException, IOException
|
|
Reads an object instance and returns it. If the class for the object
|
|
being read cannot be found, then a ClassNotFoundException will
|
|
be thrown.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public long} skip (long@w{ }@var{num_bytes}) @*throws IOException
|
|
This method causes the specified number of bytes to be read and
|
|
discarded. It is possible that fewer than the requested number of bytes
|
|
will actually be skipped.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInput {public void} close () @*throws IOException
|
|
This method closes the input source
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public final Object} readObject () @*throws ClassNotFoundException, IOException
|
|
Returns the next deserialized object read from the underlying stream.
|
|
|
|
This method can be overriden by a class by implementing
|
|
@code{private void readObject (ObjectInputStream)}.
|
|
|
|
If an exception is thrown from this method, the stream is left in
|
|
an undefined state.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public void} defaultReadObject () @*throws ClassNotFoundException, IOException, NotActiveException
|
|
Reads the current objects non-transient, non-static fields from
|
|
the current class from the underlying output stream.
|
|
|
|
This method is intended to be called from within a object's
|
|
@code{private void readObject (ObjectInputStream)}
|
|
method.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public void} registerValidation (java.io.ObjectInputValidation@w{ }@var{validator}, int@w{ }@var{priority}) @*throws InvalidObjectException, NotActiveException
|
|
Registers a @code{ObjectInputValidation} to be carried out
|
|
on the object graph currently being deserialized before it is
|
|
returned to the original caller of @code{readObject ()}.
|
|
The order of validation for multiple
|
|
@code{ObjectInputValidation}s can be controled using
|
|
@code{priority}. Validators with higher priorities are
|
|
called first.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {protected Class} resolveClass (java.io.ObjectStreamClass@w{ }@var{osc}) @*throws ClassNotFoundException, IOException
|
|
Called when a class is being deserialized. This is a hook to
|
|
allow subclasses to read in information written by the
|
|
@code{annotateClass (Class)} method of an
|
|
@code{ObjectOutputStream}.
|
|
|
|
This implementation looks up the active call stack for a
|
|
@code{ClassLoader}; if a @code{ClassLoader} is found,
|
|
it is used to load the class associated with @code{osc},
|
|
otherwise, the default system @code{ClassLoader} is used.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {protected Object} resolveObject (java.lang.Object@w{ }@var{obj}) @*throws IOException
|
|
Allows subclasses to resolve objects that are read from the
|
|
stream with other objects to be returned in their place. This
|
|
method is called the first time each object is encountered.
|
|
|
|
This method must be enabled before it will be called in the
|
|
serialization process.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {protected boolean} enableResolveObject (boolean@w{ }@var{enable}) @*throws SecurityException
|
|
If @code{enable} is @code{true} and this object is
|
|
trusted, then @code{resolveObject (Object)} will be called
|
|
in subsequent calls to @code{readObject (Object)}.
|
|
Otherwise, @code{resolveObject (Object)} will not be called.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {protected void} readStreamHeader () @*throws IOException, StreamCorruptedException
|
|
Reads stream magic and stream version information from the
|
|
underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} read (byte[]@w{ }@var{data}, int@w{ }@var{offset}, int@w{ }@var{length}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public boolean} readBoolean () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public byte} readByte () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} readUnsignedByte () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public short} readShort () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} readUnsignedShort () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public char} readChar () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} readInt () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public long} readLong () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public float} readFloat () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public double} readDouble () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public void} readFully (byte[]@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public void} readFully (byte[]@w{ }@var{data}, int@w{ }@var{offset}, int@w{ }@var{size}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public int} skipBytes (int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public String} readLine () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public String} readUTF () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {public ObjectInputStream.GetField} readFields () @*throws IOException, ClassNotFoundException, NotActiveException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream {protected Object} readObjectOverride () @*throws ClassNotFoundException, IOException, OptionalDataException
|
|
This method allows subclasses to override the default
|
|
de serialization mechanism provided by
|
|
@code{ObjectInputStream}. To make this method be used for
|
|
writing objects, subclasses must invoke the 0-argument
|
|
constructor on this class from there constructor.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract ObjectStreamClass} getObjectStreamClass ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract boolean} defaulted (java.lang.String@w{ }@var{name}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract boolean} get (java.lang.String@w{ }@var{name}, boolean@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract char} get (java.lang.String@w{ }@var{name}, char@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract byte} get (java.lang.String@w{ }@var{name}, byte@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract short} get (java.lang.String@w{ }@var{name}, short@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract int} get (java.lang.String@w{ }@var{name}, int@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract long} get (java.lang.String@w{ }@var{name}, long@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract float} get (java.lang.String@w{ }@var{name}, float@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract double} get (java.lang.String@w{ }@var{name}, double@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputStream.GetField {public abstract Object} get (java.lang.String@w{ }@var{name}, java.lang.Object@w{ }@var{defvalue}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectInputValidation {public void} validateObject () @*throws InvalidObjectException
|
|
This method is called to validate an object. If the object is invalid
|
|
an exception is thrown.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutput {public void} write (int@w{ }@var{b}) @*throws IOException
|
|
This method writes the specified byte to the output stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutput {public void} write (byte[]@w{ }@var{buf}) @*throws IOException
|
|
This method writes all the bytes in the specified byte array to the
|
|
output stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutput {public void} write (byte[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
|
|
This method writes @code{len} bytes from the specified array
|
|
starting at index @code{offset} into that array.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutput {public void} writeObject (java.lang.Object@w{ }@var{obj}) @*throws IOException
|
|
This method writes a object instance to a stream. The format of the
|
|
data written is determined by the actual implementation of this method
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutput {public void} flush () @*throws IOException
|
|
This method causes any buffered data to be flushed out to the underlying
|
|
stream
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutput {public void} close () @*throws IOException
|
|
This method closes the underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public final void} writeObject (java.lang.Object@w{ }@var{obj}) @*throws IOException
|
|
Writes a representation of @code{obj} to the underlying
|
|
output stream by writing out information about its class, then
|
|
writing out each of the objects non-transient, non-static
|
|
fields. If any of these fields are other objects,
|
|
they are written out in the same manner.
|
|
|
|
This method can be overriden by a class by implementing
|
|
@code{private void writeObject (ObjectOutputStream)}.
|
|
|
|
If an exception is thrown from this method, the stream is left in
|
|
an undefined state.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} defaultWriteObject () @*throws IOException, NotActiveException
|
|
Writes the current objects non-transient, non-static fields from
|
|
the current class to the underlying output stream.
|
|
|
|
This method is intended to be called from within a object's
|
|
@code{private void writeObject (ObjectOutputStream)}
|
|
method.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} reset () @*throws IOException
|
|
Resets stream to state equivalent to the state just after it was
|
|
constructed.
|
|
|
|
Causes all objects previously written to the stream to be
|
|
forgotten. A notification of this reset is also written to the
|
|
underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} useProtocolVersion (int@w{ }@var{version}) @*throws IOException
|
|
Informs this @code{ObjectOutputStream} to write data
|
|
according to the specified protocol. There are currently two
|
|
different protocols, specified by @code{PROTOCOL_VERSION_1}
|
|
and @code{PROTOCOL_VERSION_2}. This implementation writes
|
|
data using @code{PROTOCOL_VERSION_1} by default, as is done
|
|
by the JDK 1.1.
|
|
|
|
A non-portable method, @code{setDefaultProtocolVersion (int
|
|
version)} is provided to change the default protocol
|
|
version.
|
|
|
|
For an explination of the differences beween the two protocols
|
|
see XXX: the Java ObjectSerialization Specification.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public static void} setDefaultProtocolVersion (int@w{ }@var{version}) @*throws IOException
|
|
<em>GNU $classpath specific</em>
|
|
|
|
Changes the default stream protocol used by all
|
|
@code{ObjectOutputStream}s. There are currently two
|
|
different protocols, specified by @code{PROTOCOL_VERSION_1}
|
|
and @code{PROTOCOL_VERSION_2}. The default default is
|
|
@code{PROTOCOL_VERSION_1}.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {protected void} annotateClass (java.lang.Class@w{ }@var{cl}) @*throws IOException
|
|
An empty hook that allows subclasses to write extra information
|
|
about classes to the stream. This method is called the first
|
|
time each class is seen, and after all of the standard
|
|
information about the class has been written.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {protected Object} replaceObject (java.lang.Object@w{ }@var{obj}) @*throws IOException
|
|
Allows subclasses to replace objects that are written to the
|
|
stream with other objects to be written in their place. This
|
|
method is called the first time each object is encountered
|
|
(modulo reseting of the stream).
|
|
|
|
This method must be enabled before it will be called in the
|
|
serialization process.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {protected boolean} enableReplaceObject (boolean@w{ }@var{enable}) @*throws SecurityException
|
|
If @code{enable} is @code{true} and this object is
|
|
trusted, then @code{replaceObject (Object)} will be called
|
|
in subsequent calls to @code{writeObject (Object)}.
|
|
Otherwise, @code{replaceObject (Object)} will not be called.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {protected void} writeStreamHeader () @*throws IOException
|
|
Writes stream magic and stream version information to the
|
|
underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {protected void} writeObjectOverride (java.lang.Object@w{ }@var{obj}) @*throws NotActiveException, IOException
|
|
This method allows subclasses to override the default
|
|
serialization mechanism provided by
|
|
@code{ObjectOutputStream}. To make this method be used for
|
|
writing objects, subclasses must invoke the 0-argument
|
|
constructor on this class from there constructor.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} write (int@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} write (byte[]@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {protected void} drain () @*throws IOException
|
|
Causes the block-data buffer to be written to the underlying
|
|
stream, but does not flush underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeBoolean (boolean@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeByte (int@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeShort (int@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeChar (int@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeInt (int@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeLong (long@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeFloat (float@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeDouble (double@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeBytes (java.lang.String@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeChars (java.lang.String@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeUTF (java.lang.String@w{ }@var{data}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public ObjectOutputStream.PutField} putFields () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream {public void} writeFields () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, boolean@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, byte@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, char@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, double@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, float@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, int@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, long@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, short@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} put (java.lang.String@w{ }@var{name}, java.lang.Object@w{ }@var{value}) @*throws IOException, IllegalArgumentException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectOutputStream.PutField {public abstract void} write (java.io.ObjectOutput@w{ }@var{out}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public static ObjectStreamClass} lookup (java.lang.Class@w{ }@var{cl})
|
|
Returns the @code{ObjectStreamClass} for @code{cl}.
|
|
If @code{cl} is null, or is not @code{Serializable},
|
|
null is returned. @code{ObjectStreamClass}'s are memorized;
|
|
later calls to this method with the same class will return the
|
|
same @code{ObjectStreamClass} object and no recalculation
|
|
will be done.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public String} getName ()
|
|
Returns the name of the class that this
|
|
@code{ObjectStreamClass} represents.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public Class} forClass ()
|
|
Returns the class that this @code{ObjectStreamClass}
|
|
represents. Null could be returned if this
|
|
@code{ObjectStreamClass} was read from an
|
|
@code{ObjectInputStream} and the class it represents cannot
|
|
be found or loaded.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public long} getSerialVersionUID ()
|
|
Returns the serial version stream-unique identifier for the class
|
|
represented by this @code{ObjectStreamClass}. This SUID is
|
|
either defined by the class as @code{static final long
|
|
serialVersionUID} or is calculated as specified in
|
|
Javasoft's "Object Serialization Specification" XXX: add reference
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public ObjectStreamField} getFields ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public ObjectStreamField} getField (java.lang.String@w{ }@var{name})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamClass {public String} toString ()
|
|
Returns a textual representation of this
|
|
@code{ObjectStreamClass} object including the name of the
|
|
class it represents as well as that class's serial version
|
|
stream-unique identifier.
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public String} getName ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public Class} getType ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public char} getTypeCode ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public String} getTypeString ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public int} getOffset ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {protected void} setOffset (int@w{ }@var{off})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public boolean} isPrimitive ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public int} compareTo (java.lang.Object@w{ }@var{o})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod ObjectStreamField {public String} toString ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStream {public abstract void} write (int@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStream {public void} write (byte[]@w{ }@var{b}) @*throws IOException, NullPointerException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStream {public void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException, NullPointerException, IndexOutOfBoundsException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStream {public void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStreamWriter {public String} getEncoding ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStreamWriter {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStreamWriter {public void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStreamWriter {public void} write (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStreamWriter {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod OutputStreamWriter {public void} write (int@w{ }@var{ch}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PipedInputStream {public void} connect (java.io.PipedOutputStream@w{ }@var{source}) @*throws IOException
|
|
This method connects this stream to the passed in @code{PipedOutputStream}.
|
|
This stream is then ready for reading. If this stream is already
|
|
connected or has been previously closed, then an exception is thrown
|
|
@end deftypemethod
|
|
@deftypemethod PipedInputStream {protected synchronized void} receive (int@w{ }@var{b}) @*throws IOException
|
|
This method receives a byte of input from the source PipedOutputStream.
|
|
If the internal circular buffer is full, this method blocks.
|
|
@end deftypemethod
|
|
@deftypemethod PipedInputStream {public int} read () @*throws IOException
|
|
This method reads bytes from the stream into a caller supplied buffer.
|
|
It starts storing bytes at position @code{offset} into the buffer and
|
|
reads a maximum of @code{len} bytes. Note that this method can actually
|
|
read fewer than @code{len} bytes. The actual number of bytes read is
|
|
returned. A -1 is returned to indicated that no bytes can be read
|
|
because the end of the stream was reached. If the stream is already
|
|
closed, a -1 will again be returned to indicate the end of the stream.
|
|
|
|
|
|
|
|
This method will block if no bytes are available to be read.
|
|
@end deftypemethod
|
|
@deftypemethod PipedInputStream {public synchronized int} read (byte[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
|
|
This method reads bytes from the stream into a caller supplied buffer.
|
|
It starts storing bytes at position @code{offset} into the buffer and
|
|
reads a maximum of @code{len} bytes. Note that this method can actually
|
|
read fewer than @code{len} bytes. The actual number of bytes read is
|
|
returned. A -1 is returned to indicated that no bytes can be read
|
|
because the end of the stream was reached - ie close() was called on the
|
|
connected PipedOutputStream.
|
|
|
|
|
|
|
|
This method will block if no bytes are available to be read.
|
|
@end deftypemethod
|
|
@deftypemethod PipedInputStream {public synchronized int} available () @*throws IOException
|
|
This method returns the number of bytes that can be read from this stream
|
|
before blocking could occur. This is the number of bytes that are
|
|
currently unread in the internal circular buffer. Note that once this
|
|
many additional bytes are read, the stream may block on a subsequent
|
|
read, but it not guaranteed to block.
|
|
@end deftypemethod
|
|
@deftypemethod PipedInputStream {public synchronized void} close () @*throws IOException
|
|
This methods closes the stream so that no more data can be read
|
|
from it.
|
|
@end deftypemethod
|
|
@deftypemethod PipedOutputStream {public void} connect (java.io.PipedInputStream@w{ }@var{sink}) @*throws IOException
|
|
Connects this object to the specified @code{PipedInputStream}
|
|
object. This stream will then be ready for writing.
|
|
@end deftypemethod
|
|
@deftypemethod PipedOutputStream {public void} write (int@w{ }@var{b}) @*throws IOException
|
|
Write a single byte of date to the stream. Note that this method will
|
|
block if the @code{PipedInputStream} to which this object is
|
|
connected has a full buffer.
|
|
@end deftypemethod
|
|
@deftypemethod PipedOutputStream {public void} write (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
This method writes @code{len} bytes of data from the byte array
|
|
@code{buf} starting at index @code{offset} in the array
|
|
to the stream. Note that this method will block if the
|
|
@code{PipedInputStream} to which this object is connected has
|
|
a buffer that cannot hold all of the bytes to be written.
|
|
@end deftypemethod
|
|
@deftypemethod PipedOutputStream {public void} flush ()
|
|
This method does nothing.
|
|
@end deftypemethod
|
|
@deftypemethod PipedOutputStream {public void} close ()
|
|
This method closes this stream so that no more data can be written
|
|
to it. Any further attempts to write to this stream may throw an
|
|
exception
|
|
@end deftypemethod
|
|
@deftypemethod PipedReader {public void} connect (java.io.PipedWriter@w{ }@var{source}) @*throws IOException
|
|
This method connects this stream to the passed in @code{PipedWriter}.
|
|
This stream is then ready for reading. If this stream is already
|
|
connected or has been previously closed, then an exception is thrown
|
|
@end deftypemethod
|
|
@deftypemethod PipedReader {public int} read () @*throws IOException
|
|
This method reads chars from the stream into a caller supplied buffer.
|
|
It starts storing chars at position @code{offset} into the buffer and
|
|
reads a maximum of @code{len} chars. Note that this method can actually
|
|
read fewer than @code{len} chars. The actual number of chars read is
|
|
returned. A -1 is returned to indicated that no chars can be read
|
|
because the end of the stream was reached. If the stream is already
|
|
closed, a -1 will again be returned to indicate the end of the stream.
|
|
|
|
|
|
|
|
This method will block if no chars are available to be read.
|
|
@end deftypemethod
|
|
@deftypemethod PipedReader {public int} read (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
|
|
This method reads characters from the stream into a caller supplied buffer.
|
|
It starts storing chars at position @code{offset} into the buffer and
|
|
reads a maximum of @code{len} chars. Note that this method can actually
|
|
read fewer than @code{len} chars. The actual number of chars read is
|
|
returned. A -1 is returned to indicated that no chars can be read
|
|
because the end of the stream was reached - ie close() was called on the
|
|
connected PipedWriter.
|
|
|
|
|
|
|
|
This method will block if no chars are available to be read.
|
|
@end deftypemethod
|
|
@deftypemethod PipedReader {public boolean} ready () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PipedReader {public void} close () @*throws IOException
|
|
This methods closes the stream so that no more data can be read
|
|
from it.
|
|
@end deftypemethod
|
|
@deftypemethod PipedWriter {public void} connect (java.io.PipedReader@w{ }@var{sink}) @*throws IOException
|
|
Connects this object to the specified @code{PipedReader}
|
|
object. This stream will then be ready for writing.
|
|
@end deftypemethod
|
|
@deftypemethod PipedWriter {public void} write (char@w{ }@var{b}) @*throws IOException
|
|
Write a single char of date to the stream. Note that this method will
|
|
block if the @code{PipedReader} to which this object is
|
|
connected has a full buffer.
|
|
@end deftypemethod
|
|
@deftypemethod PipedWriter {public void} write (char[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
This method writes @code{len} chars of data from the char array
|
|
@code{buf} starting at index @code{offset} in the array
|
|
to the stream. Note that this method will block if the
|
|
@code{PipedReader} to which this object is connected has
|
|
a buffer that cannot hold all of the chars to be written.
|
|
@end deftypemethod
|
|
@deftypemethod PipedWriter {public void} flush ()
|
|
This method does nothing.
|
|
@end deftypemethod
|
|
@deftypemethod PipedWriter {public void} close ()
|
|
This method closes this stream so that no more data can be written
|
|
to it. Any further attempts to write to this stream may throw an
|
|
exception
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public boolean} checkError ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} close ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} flush ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (boolean@w{ }@var{bool})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (int@w{ }@var{inum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (long@w{ }@var{lnum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (float@w{ }@var{fnum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (double@w{ }@var{dnum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (java.lang.Object@w{ }@var{obj})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (java.lang.String@w{ }@var{str})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public synchronized void} print (char@w{ }@var{ch})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} print (char[]@w{ }@var{charArray})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (boolean@w{ }@var{bool})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (int@w{ }@var{inum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (long@w{ }@var{lnum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (float@w{ }@var{fnum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (double@w{ }@var{dnum})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (java.lang.Object@w{ }@var{obj})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (java.lang.String@w{ }@var{str})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public synchronized void} println (char@w{ }@var{ch})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} println (char[]@w{ }@var{charArray})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {protected void} setError ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} write (int@w{ }@var{oneByte})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintStream {public void} write (byte[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{count})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {protected void} setError ()
|
|
This method can be called by subclasses to indicate that an error
|
|
has occurred and should be reported by @code{checkError}.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public boolean} checkError ()
|
|
This method checks to see if an error has occurred on this stream. Note
|
|
that once an error has occurred, this method will continue to report
|
|
@code{true} forever for this stream. Before checking for an
|
|
error condition, this method flushes the stream.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} flush ()
|
|
This method flushes any buffered chars to the underlying stream and
|
|
then flushes that stream as well.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} close ()
|
|
This method closes this stream and all underlying streams.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (java.lang.String@w{ }@var{str})
|
|
This method prints a @code{String} to the stream. The actual
|
|
value printed depends on the system default encoding.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (char@w{ }@var{ch})
|
|
This method prints a char to the stream. The actual value printed is
|
|
determined by the character encoding in use.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (char[]@w{ }@var{charArray})
|
|
This method prints an array of characters to the stream. The actual
|
|
value printed depends on the system default encoding.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (boolean@w{ }@var{bool})
|
|
This methods prints a boolean value to the stream. @code{true}
|
|
values are printed as "true" and @code{false} values are printed
|
|
as "false".
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (int@w{ }@var{inum})
|
|
This method prints an integer to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (long@w{ }@var{lnum})
|
|
This method prints a long to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (float@w{ }@var{fnum})
|
|
This method prints a float to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (double@w{ }@var{dnum})
|
|
This method prints a double to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} print (java.lang.Object@w{ }@var{obj})
|
|
This method prints an @code{Object} to the stream. The actual
|
|
value printed is determined by calling the @code{String.valueOf()}
|
|
method.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println ()
|
|
This method prints a line separator sequence to the stream. The value
|
|
printed is determined by the system property <xmp>line.separator</xmp>
|
|
and is not necessarily the Unix '\n' newline character.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (boolean@w{ }@var{bool})
|
|
This methods prints a boolean value to the stream. @code{true}
|
|
values are printed as "true" and @code{false} values are printed
|
|
as "false".
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (int@w{ }@var{inum})
|
|
This method prints an integer to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (long@w{ }@var{lnum})
|
|
This method prints a long to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (float@w{ }@var{fnum})
|
|
This method prints a float to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (double@w{ }@var{dnum})
|
|
This method prints a double to the stream. The value printed is
|
|
determined using the @code{String.valueOf()} method.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (java.lang.Object@w{ }@var{obj})
|
|
This method prints an @code{Object} to the stream. The actual
|
|
value printed is determined by calling the @code{String.valueOf()}
|
|
method.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (java.lang.String@w{ }@var{str})
|
|
This method prints a @code{String} to the stream. The actual
|
|
value printed depends on the system default encoding.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (char@w{ }@var{ch})
|
|
This method prints a char to the stream. The actual value printed is
|
|
determined by the character encoding in use.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} println (char[]@w{ }@var{charArray})
|
|
This method prints an array of characters to the stream. The actual
|
|
value printed depends on the system default encoding.
|
|
|
|
This method prints a line termination sequence after printing the value.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} write (int@w{ }@var{ch})
|
|
This method writes a single char to the stream.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} write (char[]@w{ }@var{charArray}, int@w{ }@var{offset}, int@w{ }@var{count})
|
|
This method writes @code{count} chars from the specified array
|
|
starting at index @code{offset} into the array.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{count})
|
|
This method writes @code{count} chars from the specified
|
|
@code{String} to the output starting at character position
|
|
@code{offset} into the @code{String}
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} write (char[]@w{ }@var{charArray})
|
|
This method write all the chars in the specified array to the output.
|
|
@end deftypemethod
|
|
@deftypemethod PrintWriter {public void} write (java.lang.String@w{ }@var{str})
|
|
This method writes the contents of the specified @code{String}
|
|
to the underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public boolean} markSupported ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public void} unread (int@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public void} unread (byte[]@w{ }@var{b}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public void} unread (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackInputStream {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public void} close () @*throws IOException
|
|
This method closes the stream and frees any associated resources.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public void} mark (int@w{ }@var{read_limit}) @*throws IOException
|
|
This method throws an exception when called since this class does
|
|
not support mark/reset.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public boolean} markSupported ()
|
|
This method returns @code{false} to indicate that it does not support
|
|
mark/reset functionality.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public void} reset () @*throws IOException
|
|
This method always throws an IOException in this class because
|
|
mark/reset functionality is not supported.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public boolean} ready () @*throws IOException
|
|
This method determines whether or not this stream is ready to be read.
|
|
If it returns @code{false} to indicate that the stream is not
|
|
ready, any attempt to read from the stream could (but is not
|
|
guaranteed to) block.
|
|
|
|
|
|
|
|
This stream is ready to read if there are either chars waiting to be
|
|
read in the pushback buffer or if the underlying stream is ready to
|
|
be read.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public long} skip (long@w{ }@var{num_chars}) @*throws IOException
|
|
This method skips the specified number of chars in the stream. It
|
|
returns the actual number of chars skipped, which may be less than the
|
|
requested amount.
|
|
|
|
|
|
|
|
This method first discards chars from the buffer, then calls the
|
|
@code{skip} method on the underlying @code{Reader} to
|
|
skip additional chars if necessary.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public int} read () @*throws IOException
|
|
This method reads an unsigned char from the input stream and returns it
|
|
as an int in the range of 0-65535. This method also will return -1 if
|
|
the end of the stream has been reached. The char returned will be read
|
|
from the pushback buffer, unless the buffer is empty, in which case
|
|
the char will be read from the underlying stream.
|
|
|
|
|
|
|
|
This method will block until the char can be read.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public synchronized int} read (char[]@w{ }@var{b}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
|
|
This method read chars from a stream and stores them into a caller
|
|
supplied buffer. It starts storing the data at index @code{offset} into
|
|
the buffer and attempts to read @code{len} chars. This method can
|
|
return before reading the number of chars requested. The actual number
|
|
of chars read is returned as an int. A -1 is returned to indicate the
|
|
end of the stream.
|
|
|
|
|
|
|
|
This method will block until some data can be read.
|
|
|
|
|
|
|
|
This method first reads chars from the pushback buffer in order to
|
|
satisfy the read request. If the pushback buffer cannot provide all
|
|
of the chars requested, the remaining chars are read from the
|
|
underlying stream.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public void} unread (int@w{ }@var{b}) @*throws IOException
|
|
This method pushes a single char of data into the pushback buffer.
|
|
The char pushed back is the one that will be returned as the first char
|
|
of the next read.
|
|
|
|
|
|
|
|
If the pushback buffer is full, this method throws an exception.
|
|
|
|
|
|
|
|
The argument to this method is an @code{int}. Only the low eight bits
|
|
of this value are pushed back.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public synchronized void} unread (char[]@w{ }@var{buf}) @*throws IOException
|
|
This method pushes all of the chars in the passed char array into
|
|
the pushback buffer. These chars are pushed in reverse order so that
|
|
the next char read from the stream after this operation will be
|
|
@code{buf[0]} followed by @code{buf[1]}, etc.
|
|
|
|
|
|
|
|
If the pushback buffer cannot hold all of the requested chars, an
|
|
exception is thrown.
|
|
@end deftypemethod
|
|
@deftypemethod PushbackReader {public synchronized void} unread (char[]@w{ }@var{b}, int@w{ }@var{offset}, int@w{ }@var{len}) @*throws IOException
|
|
This method pushed back chars from the passed in array into the pushback
|
|
buffer. The chars from @code{buf[offset]} to @code{buf[offset + len]}
|
|
are pushed in reverse order so that the next char read from the stream
|
|
after this operation will be @code{buf[offset]} followed by
|
|
@code{buf[offset + 1]}, etc.
|
|
|
|
|
|
|
|
If the pushback buffer cannot hold all of the requested chars, an
|
|
exception is thrown.
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final FileDescriptor} getFD () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public long} getFilePointer () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public long} length () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public int} read (byte[]@w{ }@var{buffer}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public int} read (byte[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final boolean} readBoolean () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final byte} readByte () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final char} readChar () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final double} readDouble () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final float} readFloat () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} readFully (byte[]@w{ }@var{buffer}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} readFully (byte[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final int} readInt () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final String} readLine () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final long} readLong () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final short} readShort () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final int} readUnsignedByte () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final int} readUnsignedShort () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final String} readUTF () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public void} seek (long@w{ }@var{pos}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public int} skipBytes (int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public void} write (int@w{ }@var{oneByte}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public void} write (byte[]@w{ }@var{buffer}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public void} write (byte[]@w{ }@var{buffer}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeBoolean (boolean@w{ }@var{val}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeByte (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeShort (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeChar (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeInt (int@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeLong (long@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeFloat (float@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeDouble (double@w{ }@var{v}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeBytes (java.lang.String@w{ }@var{s}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeChars (java.lang.String@w{ }@var{s}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod RandomAccessFile {public final void} writeUTF (java.lang.String@w{ }@var{s}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public abstract int} read (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
Read chars from a stream and stores them into a caller
|
|
supplied buffer. It starts storing the data at index @code{offset}
|
|
into the buffer and attempts to read @code{len} chars. This method
|
|
can return before reading the number of chars requested. The actual
|
|
number of chars read is returned as an int. A -1 is returned to indicate
|
|
the end of the stream.
|
|
|
|
|
|
|
|
This method will block until some data can be read.
|
|
|
|
|
|
|
|
This method operates by calling the single char @code{read()} method
|
|
in a loop until the desired number of chars are read. The read loop
|
|
stops short if the end of the stream is encountered or if an IOException
|
|
is encountered on any read operation except the first. If the first
|
|
attempt to read a chars fails, the IOException is allowed to propagate
|
|
upward. And subsequent IOException is caught and treated identically
|
|
to an end of stream condition. Subclasses can (and should if possible)
|
|
override this method to provide a more efficient implementation.
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public int} read (char[]@w{ }@var{buf}) @*throws IOException
|
|
Reads chars from a stream and stores them into a caller
|
|
supplied buffer. This method attempts to completely fill the buffer,
|
|
but can return before doing so. The actual number of chars read is
|
|
returned as an int. A -1 is returned to indicate the end of the stream.
|
|
|
|
|
|
|
|
This method will block until some data can be read.
|
|
|
|
|
|
|
|
This method operates by calling an overloaded read method like so:
|
|
@code{read(buf, 0, buf.length)}
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public int} read () @*throws IOException
|
|
Reads an char from the input stream and returns it
|
|
as an int in the range of 0-65535. This method also will return -1 if
|
|
the end of the stream has been reached.
|
|
|
|
|
|
|
|
This method will block until the char can be read.
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public abstract void} close () @*throws IOException
|
|
Closes the stream. Any futher attempts to read from the
|
|
stream may generate an @code{IOException}.
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public boolean} markSupported ()
|
|
Returns a boolean that indicates whether the mark/reset
|
|
methods are supported in this class. Those methods can be used to
|
|
remember a specific point in the stream and reset the stream to that
|
|
point.
|
|
|
|
|
|
|
|
This method always returns @code{false} in this class, but
|
|
subclasses can override this method to return @code{true} if they
|
|
support mark/reset functionality.
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public void} mark (int@w{ }@var{readLimit}) @*throws IOException
|
|
Marks a position in the input to which the stream can be
|
|
"reset" by calling the @code{reset()} method. The parameter
|
|
@code{readlimit} is the number of chars that can be read from the
|
|
stream after setting the mark before the mark becomes invalid. For
|
|
example, if @code{mark()} is called with a read limit of 10, then
|
|
when 11 chars of data are read from the stream before the
|
|
@code{reset()} method is called, then the mark is invalid and the
|
|
stream object instance is not required to remember the mark.
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public void} reset () @*throws IOException
|
|
Resets a stream to the point where the @code{mark()}
|
|
method was called. Any chars that were read after the mark point was
|
|
set will be re-read during subsequent reads.
|
|
|
|
|
|
|
|
This method always throws an IOException in this class, but subclasses
|
|
can override this method if they provide mark/reset functionality.
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public boolean} ready () @*throws IOException
|
|
Determines whether or not this stream is ready to be
|
|
read. If it returns @code{false} the stream may block if a
|
|
read is attempted, but it is not guaranteed to do so.
|
|
|
|
|
|
|
|
This method always returns @code{false} in this class
|
|
@end deftypemethod
|
|
@deftypemethod Reader {public long} skip (long@w{ }@var{count}) @*throws IOException
|
|
Skips the specified number of chars in the stream. It
|
|
returns the actual number of chars skipped, which may be less than the
|
|
requested amount.
|
|
|
|
|
|
|
|
This method reads and discards chars into a 256 char array until the
|
|
specified number of chars were skipped or until either the end of stream
|
|
is reached or a read attempt returns a short count. Subclasses can
|
|
override this method to provide a more efficient implementation where
|
|
one exists.
|
|
@end deftypemethod
|
|
@deftypemethod SequenceInputStream {public int} available () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod SequenceInputStream {public void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod SequenceInputStream {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod SequenceInputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} commentChar (int@w{ }@var{ch})
|
|
This method sets the comment attribute on the specified character.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} eolIsSignificant (boolean@w{ }@var{flag})
|
|
This method sets a flag that indicates whether or not the end of line
|
|
sequence terminates and is a token. The defaults to @code{false}
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public int} lineno ()
|
|
This method returns the current line number. Note that if the
|
|
@code{pushBack()} method is called, it has no effect on the
|
|
line number returned by this method.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} lowerCaseMode (boolean@w{ }@var{flag})
|
|
This method sets a flag that indicates whether or not alphabetic
|
|
tokens that are returned should be converted to lower case.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public int} nextToken () @*throws IOException
|
|
This method reads the next token from the stream. It sets the
|
|
@code{ttype} variable to the appropriate token type and
|
|
returns it. It also can set @code{sval} or @code{nval}
|
|
as described below. The parsing strategy is as follows:
|
|
|
|
@itemize @bullet
|
|
|
|
|
|
@item
|
|
Skip any whitespace characters.
|
|
|
|
@item
|
|
If a numeric character is encountered, attempt to parse a numeric
|
|
value. Leading '-' characters indicate a numeric only if followed by
|
|
another non-'-' numeric. The value of the numeric token is terminated
|
|
by either the first non-numeric encountered, or the second occurrence of
|
|
'-' or '.'. The token type returned is TT_NUMBER and @code{nval}
|
|
is set to the value parsed.
|
|
|
|
@item
|
|
If an alphabetic character is parsed, all subsequent characters
|
|
are read until the first non-alphabetic or non-numeric character is
|
|
encountered. The token type returned is TT_WORD and the value parsed
|
|
is stored in @code{sval}. If lower case mode is set, the token
|
|
stored in @code{sval} is converted to lower case. The end of line
|
|
sequence terminates a word only if EOL signficance has been turned on.
|
|
The start of a comment also terminates a word. Any character with a
|
|
non-alphabetic and non-numeric attribute (such as white space, a quote,
|
|
or a commet) are treated as non-alphabetic and terminate the word.
|
|
|
|
@item
|
|
If a comment charcters is parsed, then all remaining characters on
|
|
the current line are skipped and another token is parsed. Any EOL or
|
|
EOF's encountered are not discarded, but rather terminate the comment.
|
|
|
|
@item
|
|
If a quote character is parsed, then all characters up to the
|
|
second occurrence of the same quote character are parsed into a
|
|
@code{String}. This @code{String} is stored as
|
|
@code{sval}, but is not converted to lower case, even if lower case
|
|
mode is enabled. The token type returned is the value of the quote
|
|
character encountered. Any escape sequences
|
|
(\b (backspace), \t (HTAB), \n (linefeed), \f (form feed), \r
|
|
(carriage return), \" (double quote), \' (single quote), \\
|
|
(backslash), \XXX (octal esacpe)) are converted to the appropriate
|
|
char values. Invalid esacape sequences are left in untranslated.
|
|
Unicode characters like ('\ u0000') are not recognized.
|
|
|
|
@item
|
|
If the C++ comment sequence "//" is encountered, and the parser
|
|
is configured to handle that sequence, then the remainder of the line
|
|
is skipped and another token is read exactly as if a character with
|
|
the comment attribute was encountered.
|
|
|
|
@item
|
|
If the C comment sequence "/*" is encountered, and the parser
|
|
is configured to handle that sequence, then all characters up to and
|
|
including the comment terminator sequence are discarded and another
|
|
token is parsed.
|
|
|
|
@item
|
|
If all cases above are not met, then the character is an ordinary
|
|
character that is parsed as a token by itself. The char encountered
|
|
is returned as the token type.
|
|
|
|
@end itemize
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} ordinaryChar (int@w{ }@var{ch})
|
|
This method makes the specified character an ordinary character. This
|
|
means that none of the attributes (whitespace, alphabetic, numeric,
|
|
quote, or comment) will be set on this character. This character will
|
|
parse as its own token.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} ordinaryChars (int@w{ }@var{low}, int@w{ }@var{hi})
|
|
This method makes all the characters in the specified range, range
|
|
terminators included, ordinary. This means the none of the attributes
|
|
(whitespace, alphabetic, numeric, quote, or comment) will be set on
|
|
any of the characters in the range. This makes each character in this
|
|
range parse as its own token.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} parseNumbers ()
|
|
This method sets the numeric attribute on the characters '0' - '9' and
|
|
the characters '.' and '-'.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} pushBack ()
|
|
This method returns the current line number. Note that if the
|
|
@code{pushBack()} method is called, it has no effect on the
|
|
line number returned by this method.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} quoteChar (int@w{ }@var{ch})
|
|
This method sets the quote attribute on the specified character.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} resetSyntax ()
|
|
This method removes all attributes (whitespace, alphabetic, numeric,
|
|
quote, and comment) from all characters. It is equivalent to calling
|
|
@code{ordinaryChars(0x00, 0xFF)}.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} slashSlashComments (boolean@w{ }@var{flag})
|
|
This method sets a flag that indicates whether or not "C++" language style
|
|
comments ("//" comments through EOL ) are handled by the parser.
|
|
If this is @code{true} commented out sequences are skipped and
|
|
ignored by the parser. This defaults to @code{false}.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} slashStarComments (boolean@w{ }@var{flag})
|
|
This method sets a flag that indicates whether or not "C" language style
|
|
comments (with nesting not allowed) are handled by the parser.
|
|
If this is @code{true} commented out sequences are skipped and
|
|
ignored by the parser. This defaults to @code{false}.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public String} toString ()
|
|
This method returns the current token value as a @code{String} in
|
|
the form "Token[x], line n", where 'n' is the current line numbers and
|
|
'x' is determined as follows.
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
|
@item
|
|
If no token has been read, then 'x' is "NOTHING" and 'n' is 0
|
|
|
|
@item
|
|
If @code{ttype} is TT_EOF, then 'x' is "EOF"
|
|
|
|
@item
|
|
If @code{ttype} is TT_EOL, then 'x' is "EOL"
|
|
|
|
@item
|
|
If @code{ttype} is TT_WORD, then 'x' is @code{sval}
|
|
|
|
@item
|
|
If @code{ttype} is TT_NUMBER, then 'x' is "n=strnval" where
|
|
'strnval' is @code{String.valueOf(nval)}.
|
|
|
|
@item
|
|
If @code{ttype} is a quote character, then 'x' is
|
|
@code{sval}
|
|
|
|
@item
|
|
For all other cases, 'x' is @code{ttype}
|
|
|
|
@end itemize
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} whitespaceChars (int@w{ }@var{low}, int@w{ }@var{hi})
|
|
This method sets the whitespace attribute for all charcters in the
|
|
specified range, range terminators included.
|
|
@end deftypemethod
|
|
@deftypemethod StreamTokenizer {public void} wordChars (int@w{ }@var{low}, int@w{ }@var{hi})
|
|
This method sets the alphabetic attribute for all charcters in the
|
|
specified range, range terminators included.
|
|
@end deftypemethod
|
|
@deftypemethod StringBufferInputStream {public int} available ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringBufferInputStream {public int} read ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringBufferInputStream {public int} read (byte[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringBufferInputStream {public void} reset ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringBufferInputStream {public long} skip (long@w{ }@var{n})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public void} close ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public void} mark (int@w{ }@var{readAheadLimit}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public boolean} markSupported ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public int} read () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public int} read (char[]@w{ }@var{b}, int@w{ }@var{off}, int@w{ }@var{len}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public boolean} ready () @*throws IOException
|
|
This method determines if the stream is ready to be read. This class
|
|
is always ready to read and so always returns @code{true}, unless
|
|
close() has previously been called in which case an IOException is
|
|
thrown.
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public void} reset () @*throws IOException
|
|
Sets the read position in the stream to the previously
|
|
marked position or to 0 (i.e., the beginning of the stream) if the mark
|
|
has not already been set.
|
|
@end deftypemethod
|
|
@deftypemethod StringReader {public long} skip (long@w{ }@var{n}) @*throws IOException
|
|
This method attempts to skip the requested number of chars in the
|
|
input stream. It does this by advancing the @code{pos} value by
|
|
the specified number of chars. It this would exceed the length of the
|
|
buffer, then only enough chars are skipped to position the stream at
|
|
the end of the buffer. The actual number of chars skipped is returned.
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public void} close ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public void} flush ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public StringBuffer} getBuffer ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public String} toString ()
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public void} write (int@w{ }@var{oneChar})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public void} write (char[]@w{ }@var{chars}, int@w{ }@var{offset}, int@w{ }@var{len})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public void} write (java.lang.String@w{ }@var{str})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod StringWriter {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{len})
|
|
|
|
@end deftypemethod
|
|
@deftypemethod WriteAbortedException {public String} getMessage ()
|
|
This method returns a message indicating what went wrong, including
|
|
the message text from the initial exception that caused this one to
|
|
be thrown
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public abstract void} close () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public abstract void} flush () @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public abstract void} write (char[]@w{ }@var{buf}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public void} write (char[]@w{ }@var{buf}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public void} write (int@w{ }@var{ch}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public void} write (java.lang.String@w{ }@var{str}, int@w{ }@var{offset}, int@w{ }@var{count}) @*throws IOException
|
|
|
|
@end deftypemethod
|
|
@deftypemethod Writer {public void} write (java.lang.String@w{ }@var{str}) @*throws IOException
|
|
|
|
@end deftypemethod
|