4f9533c772
Imported GNU Classpath 0.90 * scripts/makemake.tcl: LocaleData.java moved to gnu/java/locale. * sources.am: Regenerated. * gcj/javaprims.h: Regenerated. * Makefile.in: Regenerated. * gcj/Makefile.in: Regenerated. * include/Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * gnu/java/lang/VMInstrumentationImpl.java: New override. * gnu/java/net/local/LocalSocketImpl.java: Likewise. * gnu/classpath/jdwp/VMMethod.java: Likewise. * gnu/classpath/jdwp/VMVirtualMachine.java: Update to latest interface. * java/lang/Thread.java: Add UncaughtExceptionHandler. * java/lang/reflect/Method.java: Implements GenericDeclaration and isSynthetic(), * java/lang/reflect/Field.java: Likewise. * java/lang/reflect/Constructor.java * java/lang/Class.java: Implements Type, GenericDeclaration, getSimpleName() and getEnclosing*() methods. * java/lang/Class.h: Add new public methods. * java/lang/Math.java: Add signum(), ulp() and log10(). * java/lang/natMath.cc (log10): New function. * java/security/VMSecureRandom.java: New override. * java/util/logging/Logger.java: Updated to latest classpath version. * java/util/logging/LogManager.java: New override. From-SVN: r113887
158 lines
5.8 KiB
Java
158 lines
5.8 KiB
Java
/* Blob.java -- Access a SQL Binary Large OBject.
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Copyright (C) 1999, 2000, 2002, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.sql;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* This interface specified methods for accessing a SQL BLOB (Binary Large
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* OBject) type.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @since 1.2
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*/
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public interface Blob
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{
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/**
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* This method returns the number of bytes in this <code>Blob</code>.
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*
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* @return The number of bytes in this <code>Blob</code>.
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* @exception SQLException If an error occurs.
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*/
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long length() throws SQLException;
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/**
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* This method returns up to the requested bytes of this <code>Blob</code>
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* as a <code>byte</code> array.
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*
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* @param start The index into this <code>Blob</code> to start returning
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* bytes from.
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* @param count The requested number of bytes to return.
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* @return The requested bytes from this <code>Blob</code>.
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* @exception SQLException If an error occurs.
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*/
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byte[] getBytes(long start, int count) throws SQLException;
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/**
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* This method returns a stream that will read the bytes of this
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* <code>Blob</code>.
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*
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* @return A stream that will read the bytes of this <code>Blob</code>.
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* @exception SQLException If an error occurs.
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*/
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InputStream getBinaryStream() throws SQLException;
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/**
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* This method returns the index into this <code>Blob</code> at which the
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* first instance of the specified bytes occur. The searching starts at the
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* specified index into this <code>Blob</code>.
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*
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* @param pattern The byte pattern to search for.
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* @param start The index into this <code>Blob</code> to start searching for
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* the pattern.
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* @return The offset at which the pattern is first found, or -1 if the
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* pattern is not found.
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* @exception SQLException If an error occurs.
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*/
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long position(byte[] pattern, long start) throws SQLException;
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/**
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* This method returns the index into this <code>Blob</code> at which the
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* first instance of the specified pattern occurs. The searching starts at the
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* specified index into this <code>Blob</code>. The bytes in the specified
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* <code>Blob</code> are used as the search pattern.
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*
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* @param pattern The <code>Blob</code> containing the byte pattern to
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* search for.
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* @param start The index into this <code>Blob</code> to start searching for
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* the pattern.
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* @return The offset at which the pattern is first found, or -1 if the
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* pattern is not found.
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* @exception SQLException If an error occurs.
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*/
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long position(Blob pattern, long start) throws SQLException;
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/**
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* Writes the specified data into this <code>Blob</code>, starting at the
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* specified index.
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*
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* @param start The index at which the writing starts.
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* @param bytes The data to write.
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* @exception SQLException If an error occurs.
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* @since 1.4
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*/
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int setBytes(long start, byte[] bytes) throws SQLException;
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/**
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* Writes a portion of the specified data into this <code>Blob</code>,
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* starting at the specified index.
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*
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* @param startWrite The index into this <code>Blob</code> at which writing
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* starts.
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* @param bytes The data to write a portion of.
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* @param startRead The offset into the data where the portion to copy starts.
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* @param count The number of bytes to write.
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* @exception SQLException If an error occurs.
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* @since 1.4
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*/
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int setBytes(long startWrite, byte[] bytes, int startRead, int count)
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throws SQLException;
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/**
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* Returns a binary stream that writes into this <code>Blob</code>,
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* starting at the specified index.
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*
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* @param start The index at which the writing starts.
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* @return A binary stream to write into this <code>Blob</code>.
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* @exception SQLException If an error occurs.
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* @since 1.4
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*/
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OutputStream setBinaryStream(long start) throws SQLException;
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/**
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* Truncates this <code>Blob</code> to be at most the specified number of
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* bytes long.
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*
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* @param count The length this <code>Blob</code> is truncated to.
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* @exception SQLException If an error occurs.
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* @since 1.4
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*/
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void truncate(long count) throws SQLException;
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}
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