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-rw-r--r--libjava/java/nio/IntBufferImpl.java172
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diff --git a/libjava/java/nio/IntBufferImpl.java b/libjava/java/nio/IntBufferImpl.java
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-/* IntBufferImpl.java --
- Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.nio;
-
-/**
- * This is a Heap memory implementation
- */
-final class IntBufferImpl extends IntBuffer
-{
- private boolean readOnly;
-
- IntBufferImpl (int capacity)
- {
- this (new int [capacity], 0, capacity, capacity, 0, -1, false);
- }
-
- IntBufferImpl (int[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
- {
- super (capacity, limit, position, mark);
- this.backing_buffer = buffer;
- this.array_offset = offset;
- this.readOnly = readOnly;
- }
-
- public boolean isReadOnly ()
- {
- return readOnly;
- }
-
- public IntBuffer slice ()
- {
- return new IntBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
- }
-
- public IntBuffer duplicate ()
- {
- return new IntBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
- }
-
- public IntBuffer asReadOnlyBuffer ()
- {
- return new IntBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
- }
-
- public IntBuffer compact ()
- {
- checkIfReadOnly();
- mark = -1;
- int copied = 0;
-
- while (remaining () > 0)
- {
- put (copied, get ());
- copied++;
- }
-
- position (copied);
- limit(capacity());
- return this;
- }
-
- public boolean isDirect ()
- {
- return false;
- }
-
- /**
- * Reads the <code>int</code> at this buffer's current position,
- * and then increments the position.
- *
- * @exception BufferUnderflowException If there are no remaining
- * <code>ints</code> in this buffer.
- */
- public int get ()
- {
- checkForUnderflow();
-
- int result = backing_buffer [position ()];
- position (position () + 1);
- return result;
- }
-
- /**
- * Relative put method. Writes <code>value</code> to the next position
- * in the buffer.
- *
- * @exception BufferOverflowException If there no remaining
- * space in this buffer.
- * @exception ReadOnlyBufferException If this buffer is read-only.
- */
- public IntBuffer put (int value)
- {
- checkIfReadOnly();
- checkForOverflow();
-
- backing_buffer [position ()] = value;
- position (position () + 1);
- return this;
- }
-
- /**
- * Absolute get method. Reads the <code>int</code> at position
- * <code>index</code>.
- *
- * @exception IndexOutOfBoundsException If index is negative or not smaller
- * than the buffer's limit.
- */
- public int get (int index)
- {
- checkIndex(index);
-
- return backing_buffer [index];
- }
-
- /**
- * Absolute put method. Writes <code>value</code> to position
- * <code>index</code> in the buffer.
- *
- * @exception IndexOutOfBoundsException If index is negative or not smaller
- * than the buffer's limit.
- * @exception ReadOnlyBufferException If this buffer is read-only.
- */
- public IntBuffer put (int index, int value)
- {
- checkIfReadOnly();
- checkIndex(index);
-
- backing_buffer [index] = value;
- return this;
- }
-
- public ByteOrder order ()
- {
- return ByteOrder.nativeOrder ();
- }
-}