From 48f5b6723a0f7dd8e8889c2eb4deea9185863386 Mon Sep 17 00:00:00 2001
From: Michael Koch <konqueror@gmx.de>
Date: Mon, 18 Nov 2002 13:56:59 +0000
Subject: ByteBufferImpl.java, [...]: New files.

2002-11-18  Michael Koch <konqueror@gmx.de>

	* gnu/java/nio/ByteBufferImpl.java,
	gnu/java/nio/CharBufferImpl.java,
	gnu/java/nio/DatagramChannelImpl.java,
	gnu/java/nio/DoubleBufferImpl.java,
	gnu/java/nio/FileChannelImpl.java,
	gnu/java/nio/FloatBufferImpl.java,
	gnu/java/nio/IntBufferImpl.java,
	gnu/java/nio/LongBufferImpl.java,
	gnu/java/nio/PipeImpl.java,
	gnu/java/nio/SelectionKeyImpl.java,
	gnu/java/nio/SelectorImpl.java,
	gnu/java/nio/SelectorProviderImpl.java,
	gnu/java/nio/ServerSocketChannelImpl.java,
	gnu/java/nio/ShortBufferImpl.java,
	gnu/java/nio/SocketChannelImpl.java,
	java/nio/DoubleBuffer.java,
	java/nio/FloatBuffer.java,
	java/nio/IntBuffer.java,
	java/nio/LongBuffer.java,
	java/nio/ShortBuffer.java,
	java/nio/channels/FileChannel.java: New files.

From-SVN: r59216
---
 libjava/java/nio/DoubleBuffer.java         | 225 ++++++++++++++++++++++++++++
 libjava/java/nio/FloatBuffer.java          | 224 ++++++++++++++++++++++++++++
 libjava/java/nio/IntBuffer.java            | 225 ++++++++++++++++++++++++++++
 libjava/java/nio/LongBuffer.java           | 226 +++++++++++++++++++++++++++++
 libjava/java/nio/ShortBuffer.java          | 226 +++++++++++++++++++++++++++++
 libjava/java/nio/channels/FileChannel.java | 135 +++++++++++++++++
 6 files changed, 1261 insertions(+)
 create mode 100644 libjava/java/nio/DoubleBuffer.java
 create mode 100644 libjava/java/nio/FloatBuffer.java
 create mode 100644 libjava/java/nio/IntBuffer.java
 create mode 100644 libjava/java/nio/LongBuffer.java
 create mode 100644 libjava/java/nio/ShortBuffer.java
 create mode 100644 libjava/java/nio/channels/FileChannel.java

(limited to 'libjava/java')

diff --git a/libjava/java/nio/DoubleBuffer.java b/libjava/java/nio/DoubleBuffer.java
new file mode 100644
index 0000000..7059b6e
--- /dev/null
+++ b/libjava/java/nio/DoubleBuffer.java
@@ -0,0 +1,225 @@
+/* DoubleBuffer.java -- 
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+import gnu.java.nio.DoubleBufferImpl;
+
+public abstract class DoubleBuffer extends Buffer
+{
+  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+  protected double [] backing_buffer;
+
+  public static DoubleBuffer allocateDirect(int capacity)
+  {
+    return new DoubleBufferImpl(capacity, 0, capacity);
+  }
+
+  public static DoubleBuffer allocate(int capacity)
+  {
+    return new DoubleBufferImpl(capacity, 0, capacity);
+  }
+
+  final public static DoubleBuffer wrap (double[] array, int offset, int length)
+  {
+    return new DoubleBufferImpl(array, offset, length);
+  }
+
+  final public static DoubleBuffer wrap(String a)
+  {
+    int len = a.length();
+    double[] buffer = new double[len];
+
+    for (int i=0;i<len;i++)
+      {
+        buffer[i] = (double) a.charAt(i);
+      }
+
+    return wrap(buffer, 0, len);
+  }
+
+  final public static DoubleBuffer wrap(double[] array)
+  {
+    return wrap(array, 0, array.length);
+  }
+
+  final public DoubleBuffer get (double[] dst, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      {
+        dst[i] = get();
+      }
+
+    return this;
+  }
+
+  final public DoubleBuffer get(double[] dst)
+  {
+    return get(dst, 0, dst.length);
+  }
+
+  final public DoubleBuffer put(DoubleBuffer src)
+  {
+    while (src.hasRemaining())
+      put(src.get());
+
+    return this;
+  }
+
+  final public DoubleBuffer put (double[] src, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      put(src[i]);
+
+    return this;
+  }
+
+  public final DoubleBuffer put(double[] src)
+  {
+    return put(src, 0, src.length);
+  }
+
+  public final boolean hasArray()
+  {
+    return (backing_buffer != null);
+  }
+
+  public final double[] array()
+  {
+    return backing_buffer;
+  }
+
+  public final int arrayOffset()
+  {
+    return 0;
+  }
+
+  public int hashCode()
+  {
+    return super.hashCode();
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof DoubleBuffer)
+      {
+        return compareTo(obj) == 0;
+      }
+
+    return false;
+  }
+
+  public int compareTo(Object ob)
+  {
+    DoubleBuffer a = (DoubleBuffer) ob;
+
+    if (a.remaining() != remaining())
+      return 1;
+
+    if (! hasArray() ||
+        ! a.hasArray())
+      {
+        return 1;
+      }
+
+    int r = remaining();
+    int i1 = position ();
+    int i2 = a.position ();
+
+    for (int i=0;i<r;i++)
+      {
+        int t = (int) (get(i1)- a.get(i2));
+        if (t != 0)
+          {
+            return (int) t;
+          }
+      }
+
+    return 0;
+  }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public final DoubleBuffer order(ByteOrder bo)
+  {
+    endian = bo;
+    return this;
+  }
+
+  public abstract double get();
+  public abstract DoubleBuffer put (double b);
+  public abstract double get(int index);
+  public abstract DoubleBuffer put(int index, double b);
+  public abstract DoubleBuffer compact();
+  public abstract boolean isDirect();
+  public abstract DoubleBuffer slice();
+  public abstract DoubleBuffer duplicate();
+  public abstract DoubleBuffer asReadOnlyBuffer();
+  public abstract ShortBuffer asShortBuffer();
+  public abstract CharBuffer asCharBuffer();
+  public abstract IntBuffer asIntBuffer();
+  public abstract LongBuffer asLongBuffer();
+  public abstract FloatBuffer asFloatBuffer();
+  public abstract DoubleBuffer asDoubleBuffer();
+  public abstract char getChar();
+  public abstract DoubleBuffer putChar(char value);
+  public abstract char getChar(int index);
+  public abstract DoubleBuffer putChar(int index, char value);
+  public abstract short getShort();
+  public abstract DoubleBuffer putShort(short value);
+  public abstract short getShort(int index);
+  public abstract DoubleBuffer putShort(int index, short value);
+  public abstract int getInt();
+  public abstract DoubleBuffer putInt(int value);
+  public abstract int getInt(int index);
+  public abstract DoubleBuffer putInt(int index, int value);
+  public abstract long getLong();
+  public abstract DoubleBuffer putLong(long value);
+  public abstract long getLong(int index);
+  public abstract DoubleBuffer putLong(int index, long value);
+  public abstract float getFloat();
+  public abstract DoubleBuffer putFloat(float value);
+  public abstract float getFloat(int index);
+  public abstract DoubleBuffer putFloat(int index, float value);
+  public abstract double getDouble();
+  public abstract DoubleBuffer putDouble(double value);
+  public abstract double getDouble(int index);
+  public abstract DoubleBuffer putDouble(int index, double value);
+}
diff --git a/libjava/java/nio/FloatBuffer.java b/libjava/java/nio/FloatBuffer.java
new file mode 100644
index 0000000..f06ef18
--- /dev/null
+++ b/libjava/java/nio/FloatBuffer.java
@@ -0,0 +1,224 @@
+/* FloatBuffer.java -- 
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+import gnu.java.nio.FloatBufferImpl;
+
+public abstract class FloatBuffer extends Buffer
+{
+  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+  protected float [] backing_buffer;
+
+  public static FloatBuffer allocateDirect(int capacity)
+  {
+    return new FloatBufferImpl (capacity, 0, capacity);
+  }
+
+  public static FloatBuffer allocate(int capacity)
+  {
+    return new FloatBufferImpl (capacity, 0, capacity);
+  }
+
+  final public static FloatBuffer wrap(float[] array, int offset, int length)
+  {
+    return new FloatBufferImpl(array, offset, length);
+  }
+
+  final public static FloatBuffer wrap(String a)
+  {
+    int len = a.length();
+    float[] buffer = new float[len];
+
+    for (int i=0;i<len;i++)
+      {
+        buffer[i] = (float) a.charAt(i);
+      }
+
+    return wrap(buffer, 0, len);
+  }
+
+  final public static FloatBuffer wrap(float[] array)
+  {
+    return wrap(array, 0, array.length);
+  }
+
+  final public FloatBuffer get(float[] dst, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      {
+        dst[i] = get();
+      }
+
+    return this;
+  }
+
+  final public FloatBuffer get(float[] dst)
+  {
+    return get(dst, 0, dst.length);
+  }
+
+  final public FloatBuffer put(FloatBuffer src)
+  {
+    while (src.hasRemaining())
+      put(src.get());
+
+    return this;
+  }
+
+  final public FloatBuffer put(float[] src, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      put(src[i]);
+
+    return this;
+  }
+
+  public final FloatBuffer put(float[] src)
+  {
+    return put(src, 0, src.length);
+  }
+
+  public final boolean hasArray()
+  {
+    return (backing_buffer != null);
+  }
+
+  public final float[] array()
+  {
+    return backing_buffer;
+  }
+
+  public final int arrayOffset()
+  {
+    return 0;
+  }
+
+  public int hashCode()
+  {
+    return super.hashCode();
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof FloatBuffer)
+      {
+        return compareTo(obj) == 0;
+      }
+    return false;
+  }
+
+  public int compareTo(Object ob)
+  {
+    FloatBuffer a = (FloatBuffer) ob;
+
+    if (a.remaining() != remaining())
+      return 1;
+
+    if (! hasArray() ||
+        ! a.hasArray())
+      {
+        return 1;
+      }
+
+    int r = remaining();
+    int i1 = position ();
+    int i2 = a.position ();
+
+    for (int i=0;i<r;i++)
+      {
+        int t = (int) (get(i1)- a.get(i2));
+        if (t != 0)
+          {
+            return (int) t;
+          }
+      }
+
+    return 0;
+  }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public final FloatBuffer order(ByteOrder bo)
+  {
+    endian = bo;
+    return this;
+  }
+
+  public abstract float get();
+  public abstract java.nio. FloatBuffer put(float b);
+  public abstract float get(int index);
+  public abstract java.nio. FloatBuffer put(int index, float b);
+  public abstract FloatBuffer compact();
+  public abstract boolean isDirect();
+  public abstract FloatBuffer slice();
+  public abstract FloatBuffer duplicate();
+  public abstract FloatBuffer asReadOnlyBuffer();
+  public abstract ShortBuffer asShortBuffer();
+  public abstract CharBuffer asCharBuffer();
+  public abstract IntBuffer asIntBuffer();
+  public abstract LongBuffer asLongBuffer();
+  public abstract FloatBuffer asFloatBuffer();
+  public abstract DoubleBuffer asDoubleBuffer();
+  public abstract char getChar();
+  public abstract FloatBuffer putChar(char value);
+  public abstract char getChar(int index);
+  public abstract FloatBuffer putChar(int index, char value);
+  public abstract short getShort();
+  public abstract FloatBuffer putShort(short value);
+  public abstract short getShort(int index);
+  public abstract FloatBuffer putShort(int index, short value);
+  public abstract int getInt();
+  public abstract FloatBuffer putInt(int value);
+  public abstract int getInt(int index);
+  public abstract FloatBuffer putInt(int index, int value);
+  public abstract long getLong();
+  public abstract FloatBuffer putLong(long value);
+  public abstract long getLong(int index);
+  public abstract FloatBuffer putLong(int index, long value);
+  public abstract float getFloat();
+  public abstract FloatBuffer putFloat(float value);
+  public abstract float getFloat(int index);
+  public abstract FloatBuffer putFloat(int index, float value);
+  public abstract double getDouble();
+  public abstract FloatBuffer putDouble(double value);
+  public abstract double getDouble(int index);
+  public abstract FloatBuffer putDouble(int index, double value);
+}
diff --git a/libjava/java/nio/IntBuffer.java b/libjava/java/nio/IntBuffer.java
new file mode 100644
index 0000000..d2d28d3
--- /dev/null
+++ b/libjava/java/nio/IntBuffer.java
@@ -0,0 +1,225 @@
+/* IntBuffer.java -- 
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+import gnu.java.nio.IntBufferImpl;
+
+public abstract class IntBuffer extends Buffer
+{
+  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+  protected int [] backing_buffer;
+
+  public static IntBuffer allocateDirect(int capacity)
+  {
+    return new IntBufferImpl (capacity, 0, capacity);
+  }
+
+  public static IntBuffer allocate(int capacity)
+  {
+    return new IntBufferImpl (capacity, 0, capacity);
+  }
+
+  final public static IntBuffer wrap(int[] array, int offset, int length)
+  {
+    return new IntBufferImpl(array, offset, length);
+  }
+
+  final public static IntBuffer wrap(String a)
+  {
+    int len = a.length();
+    int[] buffer = new int[len];
+
+    for (int i=0;i<len;i++)
+      {
+        buffer[i] = (int) a.charAt(i);
+      }
+
+    return wrap(buffer, 0, len);
+  }
+
+  final public static IntBuffer wrap(int[] array)
+  {
+    return wrap(array, 0, array.length);
+  }
+
+  final public IntBuffer get(int[] dst, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      {
+        dst[i] = get();
+      }
+
+    return this;
+  }
+
+  final public IntBuffer get(int[] dst)
+  {
+    return get(dst, 0, dst.length);
+  }
+
+  final public IntBuffer put(IntBuffer src)
+  {
+    while (src.hasRemaining())
+      put(src.get());
+
+    return this;
+  }
+
+  final public IntBuffer put(int[] src, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      put(src[i]);
+
+    return this;
+  }
+
+  public final IntBuffer put(int[] src)
+  {
+    return put(src, 0, src.length);
+  }
+
+  public final boolean hasArray()
+  {
+    return (backing_buffer != null);
+  }
+
+  public final int[] array()
+  {
+    return backing_buffer;
+  }
+
+  public final int arrayOffset()
+  {
+    return 0;
+  }
+
+  public int hashCode()
+  {
+    return super.hashCode();
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof IntBuffer)
+      {
+        return compareTo(obj) == 0;
+      }
+
+    return false;
+  }
+
+  public int compareTo(Object ob)
+  {
+    IntBuffer a = (IntBuffer) ob;
+
+    if (a.remaining() != remaining())
+      return 1;
+
+    if (! hasArray() ||
+        ! a.hasArray())
+      {
+        return 1;
+      }
+
+    int r = remaining();
+    int i1 = position ();
+    int i2 = a.position ();
+
+    for (int i=0;i<r;i++)
+      {
+        int t = (int) (get(i1)- a.get(i2));
+        if (t != 0)
+          {
+            return (int) t;
+          }
+      }
+
+    return 0;
+  }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public final IntBuffer order(ByteOrder bo)
+  {
+    endian = bo;
+    return this;
+  }
+
+  public abstract int get();
+  public abstract IntBuffer put(int b);
+  public abstract int get(int index);
+  public abstract IntBuffer put(int index, int b);
+  public abstract IntBuffer compact();
+  public abstract boolean isDirect();
+  public abstract IntBuffer slice();
+  public abstract IntBuffer duplicate();
+  public abstract IntBuffer asReadOnlyBuffer();
+  public abstract ShortBuffer asShortBuffer();
+  public abstract CharBuffer asCharBuffer();
+  public abstract IntBuffer asIntBuffer();
+  public abstract LongBuffer asLongBuffer();
+  public abstract FloatBuffer asFloatBuffer();
+  public abstract DoubleBuffer asDoubleBuffer();
+  public abstract char getChar();
+  public abstract IntBuffer putChar(char value);
+  public abstract char getChar(int index);
+  public abstract IntBuffer putChar(int index, char value);
+  public abstract short getShort();
+  public abstract IntBuffer putShort(short value);
+  public abstract short getShort(int index);
+  public abstract IntBuffer putShort(int index, short value);
+  public abstract int getInt();
+  public abstract IntBuffer putInt(int value);
+  public abstract int getInt(int index);
+  public abstract IntBuffer putInt(int index, int value);
+  public abstract long getLong();
+  public abstract IntBuffer putLong(long value);
+  public abstract long getLong(int index);
+  public abstract IntBuffer putLong(int index, long value);
+  public abstract float getFloat();
+  public abstract IntBuffer putFloat(float value);
+  public abstract float getFloat(int index);
+  public abstract IntBuffer putFloat(int index, float value);
+  public abstract double getDouble();
+  public abstract IntBuffer putDouble(double value);
+  public abstract double getDouble(int index);
+  public abstract IntBuffer putDouble(int index, double value);
+}
diff --git a/libjava/java/nio/LongBuffer.java b/libjava/java/nio/LongBuffer.java
new file mode 100644
index 0000000..5bca6d5
--- /dev/null
+++ b/libjava/java/nio/LongBuffer.java
@@ -0,0 +1,226 @@
+/* LongBuffer.java -- 
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+import gnu.java.nio.LongBufferImpl;
+
+public abstract class LongBuffer extends Buffer
+{
+  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+  protected long [] backing_buffer;
+
+  public static LongBuffer allocateDirect(int capacity)
+  {
+    return new LongBufferImpl(capacity, 0, capacity);
+  }
+
+  public static LongBuffer allocate(int capacity)
+  {
+    return new LongBufferImpl(capacity, 0, capacity);
+  }
+
+  final public static LongBuffer wrap(long[] array, int offset, int length)
+  {
+    return new LongBufferImpl (array, offset, length);
+  }
+
+  final public static LongBuffer wrap(String a)
+  {
+    int len = a.length();
+    long[] buffer = new long[len];
+
+    for (int i=0;i<len;i++)
+      {
+        buffer[i] = (long) a.charAt(i);
+      }
+
+    return wrap(buffer, 0, len);
+  }
+
+  final public static LongBuffer wrap(long[] array)
+  {
+    return wrap(array, 0, array.length);
+  }
+
+  final public LongBuffer get(long[] dst, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      {
+        dst[i] = get();
+      }
+
+    return this;
+  }
+
+  final public LongBuffer get(long[] dst)
+  {
+    return get(dst, 0, dst.length);
+  }
+
+  final public LongBuffer put(LongBuffer src)
+  {
+    while (src.hasRemaining())
+      put(src.get());
+
+    return this;
+  }
+
+  final public LongBuffer put(long[] src, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      put(src[i]);
+
+    return this;
+  }
+
+  public final LongBuffer put(long[] src)
+  {
+    return put(src, 0, src.length);
+  }
+
+  public final boolean hasArray()
+  {
+    return (backing_buffer != null);
+  }
+
+  public final long[] array()
+  {
+    return backing_buffer;
+  }
+
+  public final int arrayOffset()
+  {
+    return 0;
+  }
+
+  public int hashCode()
+  {
+    return super.hashCode();
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof LongBuffer)
+      {
+        return compareTo(obj) == 0;
+      }
+
+    return false;
+  }
+
+  public int compareTo(Object ob)
+  {
+    LongBuffer a = (LongBuffer) ob;
+
+    if (a.remaining() != remaining())
+      return 1;
+
+    if (! hasArray() ||
+        ! a.hasArray())
+      {
+        return 1;
+      }
+
+    int r = remaining();
+    int i1 = position ();
+    int i2 = a.position ();
+
+    for (int i=0;i<r;i++)
+      {
+        int t = (int) (get(i1)- a.get(i2));
+
+        if (t != 0)
+          {
+            return (int) t;
+          }
+      }
+
+    return 0;
+  }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public final LongBuffer order(ByteOrder bo)
+  {
+    endian = bo;
+    return this;
+  }
+
+  public abstract long get();
+  public abstract java.nio. LongBuffer put(long b);
+  public abstract long get(int index);
+  public abstract java.nio. LongBuffer put(int index, long b);
+  public abstract LongBuffer compact();
+  public abstract boolean isDirect();
+  public abstract LongBuffer slice();
+  public abstract LongBuffer duplicate();
+  public abstract LongBuffer asReadOnlyBuffer();
+  public abstract ShortBuffer asShortBuffer();
+  public abstract CharBuffer asCharBuffer();
+  public abstract IntBuffer asIntBuffer();
+  public abstract LongBuffer asLongBuffer();
+  public abstract FloatBuffer asFloatBuffer();
+  public abstract DoubleBuffer asDoubleBuffer();
+  public abstract char getChar();
+  public abstract LongBuffer putChar(char value);
+  public abstract char getChar(int index);
+  public abstract LongBuffer putChar(int index, char value);
+  public abstract short getShort();
+  public abstract LongBuffer putShort(short value);
+  public abstract short getShort(int index);
+  public abstract LongBuffer putShort(int index, short value);
+  public abstract int getInt();
+  public abstract LongBuffer putInt(int value);
+  public abstract int getInt(int index);
+  public abstract LongBuffer putInt(int index, int value);
+  public abstract long getLong();
+  public abstract LongBuffer putLong(long value);
+  public abstract long getLong(int index);
+  public abstract LongBuffer putLong(int index, long value);
+  public abstract float getFloat();
+  public abstract LongBuffer putFloat(float value);
+  public abstract float getFloat(int index);
+  public abstract LongBuffer putFloat(int index, float value);
+  public abstract double getDouble();
+  public abstract LongBuffer putDouble(double value);
+  public abstract double getDouble(int index);
+  public abstract LongBuffer putDouble(int index, double value);
+}
diff --git a/libjava/java/nio/ShortBuffer.java b/libjava/java/nio/ShortBuffer.java
new file mode 100644
index 0000000..5301366
--- /dev/null
+++ b/libjava/java/nio/ShortBuffer.java
@@ -0,0 +1,226 @@
+/* ShortBuffer.java -- 
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+import gnu.java.nio.ShortBufferImpl;
+
+public abstract class ShortBuffer extends Buffer
+{
+  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+  protected short [] backing_buffer;
+
+  public static ShortBuffer allocateDirect(int capacity)
+  {
+    return new ShortBufferImpl(capacity, 0, capacity);
+  }
+
+  public static ShortBuffer allocate(int capacity)
+  {
+    return new ShortBufferImpl(capacity, 0, capacity);
+  }
+
+  final public static ShortBuffer wrap(short[] array, int offset, int length)
+  {
+    return new ShortBufferImpl(array, offset, length);
+  }
+
+  final public static ShortBuffer wrap(String a)
+  {
+    int len = a.length();
+    short[] buffer = new short[len];
+
+    for (int i=0;i<len;i++)
+      {
+        buffer[i] = (short) a.charAt(i);
+      }
+
+    return wrap(buffer, 0, len);
+  }
+
+  final public static ShortBuffer wrap(short[] array)
+  {
+    return wrap(array, 0, array.length);
+  }
+
+  final public ShortBuffer get(short[] dst, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      {
+        dst[i] = get();
+      }
+
+    return this;
+  }
+
+  final public ShortBuffer get(short[] dst)
+  {
+    return get(dst, 0, dst.length);
+  }
+
+  final public ShortBuffer put(ShortBuffer src)
+  {
+    while (src.hasRemaining())
+      put(src.get());
+
+    return this;
+  }
+
+  final public ShortBuffer put(short[] src, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      put(src[i]);
+
+    return this;
+  }
+
+  public final ShortBuffer put(short[] src)
+  {
+    return put(src, 0, src.length);
+  }
+
+  public final boolean hasArray()
+  {
+    return (backing_buffer != null);
+  }
+
+  public final short[] array()
+  {
+    return backing_buffer;
+  }
+
+  public final int arrayOffset()
+  {
+    return 0;
+  }
+
+  public int hashCode()
+  {
+    return super.hashCode();
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof ShortBuffer)
+      {
+        return compareTo(obj) == 0;
+      }
+
+    return false;
+  }
+
+  public int compareTo(Object ob)
+  {
+    ShortBuffer a = (ShortBuffer) ob;
+
+    if (a.remaining() != remaining())
+      return 1;
+
+    if (! hasArray() ||
+        ! a.hasArray())
+      {
+        return 1;
+      }
+
+    int r = remaining();
+    int i1 = position ();
+    int i2 = a.position ();
+
+    for (int i=0;i<r;i++)
+      {
+        int t = (int) (get(i1)- a.get(i2));
+
+        if (t != 0)
+          {
+            return (int) t;
+          }
+      }
+
+    return 0;
+  }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public final ShortBuffer order(ByteOrder bo)
+  {
+    endian = bo;
+    return this;
+  }
+
+  public abstract short get();
+  public abstract java.nio. ShortBuffer put(short b);
+  public abstract short get(int index);
+  public abstract java.nio. ShortBuffer put(int index, short b);
+  public abstract ShortBuffer compact();
+  public abstract boolean isDirect();
+  public abstract ShortBuffer slice();
+  public abstract ShortBuffer duplicate();
+  public abstract ShortBuffer asReadOnlyBuffer();
+  public abstract ShortBuffer asShortBuffer();
+  public abstract CharBuffer asCharBuffer();
+  public abstract IntBuffer asIntBuffer();
+  public abstract LongBuffer asLongBuffer();
+  public abstract FloatBuffer asFloatBuffer();
+  public abstract DoubleBuffer asDoubleBuffer();
+  public abstract char getChar();
+  public abstract ShortBuffer putChar(char value);
+  public abstract char getChar(int index);
+  public abstract ShortBuffer putChar(int index, char value);
+  public abstract short getShort();
+  public abstract ShortBuffer putShort(short value);
+  public abstract short getShort(int index);
+  public abstract ShortBuffer putShort(int index, short value);
+  public abstract int getInt();
+  public abstract ShortBuffer putInt(int value);
+  public abstract int getInt(int index);
+  public abstract ShortBuffer putInt(int index, int value);
+  public abstract long getLong();
+  public abstract ShortBuffer putLong(long value);
+  public abstract long getLong(int index);
+  public abstract ShortBuffer putLong(int index, long value);
+  public abstract float getFloat();
+  public abstract ShortBuffer putFloat(float value);
+  public abstract float getFloat(int index);
+  public abstract ShortBuffer putFloat(int index, float value);
+  public abstract double getDouble();
+  public abstract ShortBuffer putDouble(double value);
+  public abstract double getDouble(int index);
+  public abstract ShortBuffer putDouble(int index, double value);
+}
diff --git a/libjava/java/nio/channels/FileChannel.java b/libjava/java/nio/channels/FileChannel.java
new file mode 100644
index 0000000..8970b98
--- /dev/null
+++ b/libjava/java/nio/channels/FileChannel.java
@@ -0,0 +1,135 @@
+/* FileChannel.java -- 
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.channels;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.spi.AbstractInterruptibleChannel;
+
+/**
+ * @author Michael Koch
+ * @since 1.4
+ */
+public abstract class FileChannel extends AbstractInterruptibleChannel
+  implements ByteChannel, GatheringByteChannel, ScatteringByteChannel
+{
+  public static class MapMode
+  {
+    public int m;
+
+    public static MapMode READ_ONLY  = new MapMode(0);
+    public static MapMode READ_WRITE = new MapMode(1);
+    public static MapMode PRIVATE    = new MapMode(2);
+
+    /**
+     * Initializes the MapMode.
+     */
+    MapMode(int a)
+    {
+      m = a;
+    }
+
+    public String toString() 
+    {
+      return "" + m;
+    }
+  }
+
+  /**
+   * Initializes the channel.
+   */
+  protected FileChannel ()
+  {
+  }
+
+  /**
+   * Maps the file into the memory.
+   *
+   * @exception IOException If an error occurs.
+   */
+  public abstract MappedByteBuffer map(MapMode mode, long position, long size)
+    throws IOException;
+
+  /**
+   * Return the size of the file thus far
+   */
+  public abstract long size() throws IOException;
+  
+  /**
+   * Writes data to the channel.
+   *
+   * @exception IOException If an error occurs.
+   */
+  public long write (ByteBuffer[] srcs) throws IOException
+  {
+    long result = 0;
+    
+    for (int i = 0; i < srcs.length; i++)
+      {
+        result += write (srcs[i]);
+      }
+    
+    return result;
+  }
+  
+  /**
+   * Writes data to the channel.
+   */
+  public abstract long write(ByteBuffer[] srcs, int offset, int length)
+    throws IOException;
+  
+  /**
+   * Reads data from the channel.
+   */
+  public abstract int read(ByteBuffer dst) throws IOException;
+  
+  /**
+   * Closes the channel.
+   *
+   * This is called from @see close.
+   *
+   * @exception IOException If an error occurs.
+   */
+  protected abstract void implCloseChannel() throws IOException;
+
+  /**
+   * msync with the disk
+   */
+  public abstract void force(boolean metaData);    
+}
-- 
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