summaryrefslogtreecommitdiff
path: root/libjava/java/nio/ByteBufferImpl.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/java/nio/ByteBufferImpl.java')
-rw-r--r--libjava/java/nio/ByteBufferImpl.java379
1 files changed, 0 insertions, 379 deletions
diff --git a/libjava/java/nio/ByteBufferImpl.java b/libjava/java/nio/ByteBufferImpl.java
deleted file mode 100644
index 48d7152000b..00000000000
--- a/libjava/java/nio/ByteBufferImpl.java
+++ /dev/null
@@ -1,379 +0,0 @@
-/* ByteBufferImpl.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 ByteBufferImpl extends ByteBuffer
-{
- private boolean readOnly;
-
- ByteBufferImpl (byte[] 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 CharBuffer asCharBuffer ()
- {
- return new CharViewBufferImpl (this, remaining() >> 1);
- }
-
- public ShortBuffer asShortBuffer ()
- {
- return new ShortViewBufferImpl (this, remaining() >> 1);
- }
-
- public IntBuffer asIntBuffer ()
- {
- return new IntViewBufferImpl (this, remaining() >> 2);
- }
-
- public LongBuffer asLongBuffer ()
- {
- return new LongViewBufferImpl (this, remaining() >> 3);
- }
-
- public FloatBuffer asFloatBuffer ()
- {
- return new FloatViewBufferImpl (this, remaining() >> 2);
- }
-
- public DoubleBuffer asDoubleBuffer ()
- {
- return new DoubleViewBufferImpl (this, remaining() >> 3);
- }
-
- public boolean isReadOnly ()
- {
- return readOnly;
- }
-
- public ByteBuffer slice ()
- {
- return new ByteBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
- }
-
- public ByteBuffer duplicate ()
- {
- return new ByteBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
- }
-
- public ByteBuffer asReadOnlyBuffer ()
- {
- return new ByteBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
- }
-
- void shiftDown (int dst_offset, int src_offset, int count)
- {
- System.arraycopy(backing_buffer, array_offset + src_offset,
- backing_buffer, array_offset + dst_offset,
- count);
- }
-
- public ByteBuffer compact ()
- {
- checkIfReadOnly();
- mark = -1;
- int pos = position();
- if (pos > 0)
- {
- int count = remaining();
- shiftDown(0, pos, count);
- position(count);
- limit(capacity());
- }
- else
- {
- position(limit());
- limit(capacity());
- }
- return this;
- }
-
- public boolean isDirect ()
- {
- return false;
- }
-
- /**
- * Reads the <code>byte</code> at this buffer's current position,
- * and then increments the position.
- *
- * @exception BufferUnderflowException If there are no remaining
- * <code>bytes</code> in this buffer.
- */
- public byte get ()
- {
- if (pos >= limit)
- throw new BufferUnderflowException();
-
- return backing_buffer [(pos++) + array_offset];
- }
-
- /**
- * Bulk get
- */
- public ByteBuffer get (byte[] dst, int offset, int length)
- {
- checkArraySize(dst.length, offset, length);
- if ( (limit - pos) < length) // check for overflow
- throw new BufferUnderflowException();
-
- System.arraycopy(backing_buffer, pos + array_offset,
- dst, offset, length);
- pos += length;
-
- return this;
- }
-
- /**
- * Relative bulk put(), overloads the ByteBuffer impl.
- */
- public ByteBuffer put (byte[] src, int offset, int length)
- {
- if ( (limit - pos) < length) // check for overflow
- throw new BufferOverflowException();
- checkArraySize(src.length, offset, length);
-
- System.arraycopy(src, offset, backing_buffer, pos + array_offset, length);
- pos += length;
-
- return this;
- }
-
- /**
- * Relative put method. Writes <code>value</code> to the next position
- * in the buffer.
- *
- * @exception BufferOverflowException If there is no remaining
- * space in this buffer.
- * @exception ReadOnlyBufferException If this buffer is read-only.
- */
- public ByteBuffer put (byte value)
- {
- if (readOnly)
- throw new ReadOnlyBufferException();
- if (pos >= limit)
- throw new BufferOverflowException();
-
- backing_buffer [(pos++) + array_offset] = value;
- return this;
- }
-
- /**
- * Absolute get method. Reads the <code>byte</code> at position
- * <code>index</code>.
- *
- * @exception IndexOutOfBoundsException If index is negative or not smaller
- * than the buffer's limit.
- */
- public byte get (int index)
- {
- checkIndex(index);
-
- return backing_buffer [index + array_offset];
- }
-
- /**
- * 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 ByteBuffer put (int index, byte value)
- {
- checkIfReadOnly();
- checkIndex(index);
-
- backing_buffer [index + array_offset] = value;
- return this;
- }
-
- public char getChar ()
- {
- return ByteBufferHelper.getChar(this, order());
- }
-
- public ByteBuffer putChar (char value)
- {
- if (readOnly)
- throw new ReadOnlyBufferException ();
- if ( (limit-pos) < 2)
- throw new BufferOverflowException();
-
- if (endian == ByteOrder.LITTLE_ENDIAN)
- {
- backing_buffer [(pos++) + array_offset] = (byte)(value&0xFF);
- backing_buffer [(pos++) + array_offset] = (byte)(value>>8);
- }
- else
- {
- backing_buffer [(pos++) + array_offset] = (byte)(value>>8);
- backing_buffer [(pos++) + array_offset] = (byte)(value&0xFF);
- }
- return this;
- }
-
- public char getChar (int index)
- {
- return ByteBufferHelper.getChar(this, index, order());
- }
-
- public ByteBuffer putChar (int index, char value)
- {
- ByteBufferHelper.putChar(this, index, value, order());
- return this;
- }
-
- public short getShort ()
- {
- return ByteBufferHelper.getShort(this, order());
- }
-
- public ByteBuffer putShort (short value)
- {
- ByteBufferHelper.putShort(this, value, order());
- return this;
- }
-
- public short getShort (int index)
- {
- return ByteBufferHelper.getShort(this, index, order());
- }
-
- public ByteBuffer putShort (int index, short value)
- {
- ByteBufferHelper.putShort(this, index, value, order());
- return this;
- }
-
- public int getInt ()
- {
- return ByteBufferHelper.getInt(this, order());
- }
-
- public ByteBuffer putInt (int value)
- {
- ByteBufferHelper.putInt(this, value, order());
- return this;
- }
-
- public int getInt (int index)
- {
- return ByteBufferHelper.getInt(this, index, order());
- }
-
- public ByteBuffer putInt (int index, int value)
- {
- ByteBufferHelper.putInt(this, index, value, order());
- return this;
- }
-
- public long getLong ()
- {
- return ByteBufferHelper.getLong(this, order());
- }
-
- public ByteBuffer putLong (long value)
- {
- ByteBufferHelper.putLong (this, value, order());
- return this;
- }
-
- public long getLong (int index)
- {
- return ByteBufferHelper.getLong (this, index, order());
- }
-
- public ByteBuffer putLong (int index, long value)
- {
- ByteBufferHelper.putLong (this, index, value, order());
- return this;
- }
-
- public float getFloat ()
- {
- return ByteBufferHelper.getFloat (this, order());
- }
-
- public ByteBuffer putFloat (float value)
- {
- ByteBufferHelper.putFloat (this, value, order());
- return this;
- }
-
- public float getFloat (int index)
- {
- return ByteBufferHelper.getFloat (this, index, order());
- }
-
- public ByteBuffer putFloat (int index, float value)
- {
- ByteBufferHelper.putFloat (this, index, value, order());
- return this;
- }
-
- public double getDouble ()
- {
- return ByteBufferHelper.getDouble (this, order());
- }
-
- public ByteBuffer putDouble (double value)
- {
- ByteBufferHelper.putDouble (this, value, order());
- return this;
- }
-
- public double getDouble (int index)
- {
- return ByteBufferHelper.getDouble (this, index, order());
- }
-
- public ByteBuffer putDouble (int index, double value)
- {
- ByteBufferHelper.putDouble (this, index, value, order());
- return this;
- }
-}