3a5eb28322
2003-05-20 Michael Koch <konqueror@gmx.de> * gnu/java/nio/ByteBufferImpl.java, gnu/java/nio/CharBufferImpl.java, gnu/java/nio/CharViewBufferImpl.java, gnu/java/nio/DirectByteBufferImpl.java, gnu/java/nio/DoubleBufferImpl.java, gnu/java/nio/DoubleViewBufferImpl.java, gnu/java/nio/FloatBufferImpl.java, gnu/java/nio/FloatViewBufferImpl.java, gnu/java/nio/IntBufferImpl.java, gnu/java/nio/IntViewBufferImpl.java, gnu/java/nio/LongBufferImpl.java, gnu/java/nio/LongViewBufferImpl.java, gnu/java/nio/natDirectByteBufferImpl.cc, gnu/java/nio/ShortBufferImpl.java, gnu/java/nio/ShortViewBufferImpl.java: Moved files to java/nio. * gnu/java/nio/SocketChannelImpl.java * java/nio/ByteBuffer.java, java/nio/CharBuffer.java, java/nio/DoubleBuffer.java, java/nio/FloatBuffer.java, java/nio/IntBuffer.java, java/nio/LongBuffer.java, java/nio/ShortBuffer.java: Dont import anything. * java/nio/ByteBufferImpl.java, java/nio/CharBufferImpl.java, java/nio/CharViewBufferImpl.java, java/nio/DirectByteBufferImpl.java, java/nio/DoubleBufferImpl.java, java/nio/DoubleViewBufferImpl.java, java/nio/FloatBufferImpl.java, java/nio/FloatViewBufferImpl.java, java/nio/IntBufferImpl.java, java/nio/IntViewBufferImpl.java, java/nio/LongBufferImpl.java, java/nio/LongViewBufferImpl.java, java/nio/natDirectByteBufferImpl.cc, java/nio/ShortBufferImpl.java, java/nio/ShortViewBufferImpl.java: Moved from gnu/java/nio. * Makefile.am (ordinary_java_source_files): Moved files from gnu/java/nio to java/nio. (nat_source_files): Moved natDirectByteBufferImpl.cc from gnu/java/nio to java/nio. * Makefile.in: Regenerated. From-SVN: r66990
158 lines
4.4 KiB
Java
158 lines
4.4 KiB
Java
/* IntBufferImpl.java --
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Copyright (C) 2002, 2003 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., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 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.nio;
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/**
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* This is a Heap memory implementation
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*/
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public final class IntBufferImpl extends IntBuffer
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{
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private boolean readOnly;
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IntBufferImpl (int capacity)
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{
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this (new int [capacity], 0, capacity, capacity, 0, -1, false);
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}
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IntBufferImpl (int[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
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{
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super (buffer, offset, capacity, limit, position, mark);
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this.readOnly = readOnly;
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}
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public boolean isReadOnly ()
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{
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return readOnly;
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}
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public IntBuffer slice ()
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{
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return new IntBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
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}
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public IntBuffer duplicate ()
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{
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return new IntBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
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}
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public IntBuffer asReadOnlyBuffer ()
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{
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return new IntBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
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}
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public IntBuffer compact ()
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{
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int copied = 0;
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while (remaining () > 0)
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{
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put (copied, get ());
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copied++;
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}
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position (copied);
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return this;
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}
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public boolean isDirect ()
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{
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return false;
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}
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/**
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* Relative get method. Reads the next <code>int</code> from the buffer.
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*/
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final public int get ()
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{
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int result = backing_buffer [position ()];
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position (position () + 1);
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return result;
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}
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/**
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* Relative put method. Writes <code>value</code> to the next position
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* in the buffer.
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*
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* @exception ReadOnlyBufferException If this buffer is read-only.
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*/
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final public IntBuffer put (int value)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer [position ()] = value;
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position (position () + 1);
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return this;
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}
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/**
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* Absolute get method. Reads the <code>int</code> at position
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* <code>index</code>.
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*
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* @exception IndexOutOfBoundsException If index is negative or not smaller
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* than the buffer's limit.
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*/
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final public int get (int index)
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{
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return backing_buffer [index];
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}
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/**
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* Absolute put method. Writes <code>value</value> to position
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* <code>index</code> in the buffer.
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*
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* @exception IndexOutOfBoundsException If index is negative or not smaller
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* than the buffer's limit.
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* @exception ReadOnlyBufferException If this buffer is read-only.
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*/
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final public IntBuffer put (int index, int value)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer [index] = value;
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return this;
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}
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final public ByteOrder order ()
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{
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return ByteOrder.nativeOrder ();
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}
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}
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