gcc/libjava/java/io/FileOutputStream.java

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1999-04-07 16:42:40 +02:00
// FileOutputStream.java - Write bytes to a file.
/* Copyright (C) 1998, 1999 Free Software Foundation
1999-04-07 16:42:40 +02:00
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.io;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date September 24, 1998
*/
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
* "The Java Language Specification", ISBN 0-201-63451-1
* Status: Complete to version 1.1.
*/
public class FileOutputStream extends OutputStream
{
public FileOutputStream (String path, boolean append)
throws SecurityException, IOException
{
SecurityManager s = System.getSecurityManager();
if (s != null)
s.checkWrite(path);
fd = new FileDescriptor (path, (append
? FileDescriptor.APPEND
: FileDescriptor.WRITE));
}
public FileOutputStream (String path) throws SecurityException, IOException
{
this (path, false);
}
public FileOutputStream (File file) throws SecurityException, IOException
{
this (file.getPath(), false);
}
public FileOutputStream (FileDescriptor fdObj) throws SecurityException
{
SecurityManager s = System.getSecurityManager();
if (s != null)
s.checkWrite(fdObj);
fd = fdObj;
}
protected void finalize () throws IOException
{
// We don't actually need this, but we include it because it is
// mentioned in the JCL.
}
public final FileDescriptor getFD () throws IOException
{
if (! fd.valid())
throw new IOException ();
return fd;
}
public void write (int b) throws IOException
{
fd.write (b);
}
public void write (byte[] b) throws IOException, NullPointerException
{
fd.write (b, 0, b.length);
}
public void write (byte[] b, int off, int len)
throws IOException, NullPointerException, IndexOutOfBoundsException
{
if (off < 0 || len < 0 || off + len > b.length)
throw new ArrayIndexOutOfBoundsException ();
fd.write (b, off, len);
}
public void close () throws IOException
{
if (fd.valid())
fd.close();
}
// Instance variables.
private FileDescriptor fd;
}