15 files changed, 2614 insertions, 0 deletions
diff --git a/libjava/gnu/java/nio/ByteBufferImpl.java b/libjava/gnu/java/nio/ByteBufferImpl.java
new file mode 100644
index 0000000..e27207e
--- /dev/null
+++ b/libjava/gnu/java/nio/ByteBufferImpl.java
@@ -0,0 +1,214 @@
+/* ByteBufferImpl.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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
+public final class ByteBufferImpl extends ByteBuffer
+{
+  private byte[] backing_buffer;
+  private int array_offset;
+  private boolean ro;
+
+  public ByteBufferImpl (int cap, int off, int lim)
+  {
+    this.cap = cap;
+    position (off);
+    limit (lim);
+    this.backing_buffer = new byte[cap];
+  }
+
+  public ByteBufferImpl (byte[] array, int off, int lim)
+  {
+    this.cap = array.length;
+    position (off);
+    limit (lim);
+    this.backing_buffer = array;
+  }
+
+  public ByteBufferImpl (ByteBufferImpl copy)
+  {
+    this.cap = copy.capacity ();
+    position (copy.position ());
+    limit (copy.limit ());
+    ro = copy.ro;
+    backing_buffer = copy.backing_buffer;
+  }
+
+  void inc_pos (int toAdd)
+  {
+    position (position () + toAdd);
+  }
+
+//   private static native byte[] nio_cast(byte[]copy);
+//   private static native byte[] nio_cast(char[]copy);
+//   private static native byte[] nio_cast(short[]copy);
+//   private static native byte[] nio_cast(long[]copy);
+//   private static native byte[] nio_cast(int[]copy);
+//   private static native byte[] nio_cast(float[]copy);
+//   private static native byte[] nio_cast(double[]copy);
+
+  private static byte[] nio_cast(byte[]copy) { return null; };
+  private static byte[] nio_cast(char[]copy) { return null; };
+  private static byte[] nio_cast(short[]copy) { return null; };
+  private static byte[] nio_cast(long[]copy) { return null; };
+  private static byte[] nio_cast(int[]copy) { return null; };
+  private static byte[] nio_cast(float[]copy) { return null; };
+  private static byte[] nio_cast(double[]copy) { return null; };
+
+  ByteBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native byte nio_get_Byte(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte(ByteBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte(ByteBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte(ByteBufferImpl b, int index, int limit, byte value) { };
+  public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/1); return res; }
+
+  ByteBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(ByteBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(ByteBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(ByteBufferImpl b, int index, int limit, char value) { };
+  public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/1); return res; }
+
+  ByteBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(ByteBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(ByteBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Short(ByteBufferImpl b, int index, int limit, short value) { };
+  public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/1); return res; }
+
+  ByteBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(ByteBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(ByteBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Int(ByteBufferImpl b, int index, int limit, int value) { };
+  public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/1); return res; }
+
+  ByteBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(ByteBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(ByteBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(ByteBufferImpl b, int index, int limit, long value) { };
+  public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/1); return res; }
+
+  ByteBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(ByteBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(ByteBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(ByteBufferImpl b, int index, int limit, float value) { };
+  public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/1); return res; }
+
+  ByteBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(ByteBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(ByteBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(ByteBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(ByteBufferImpl b, int index, int limit, double value) { };
+  public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/1); return res; }
+  
+  public boolean isReadOnly()
+  {
+    return ro;
+  }
+  
+  public ByteBuffer slice()
+  {
+    ByteBufferImpl A = new ByteBufferImpl(this);
+    A.array_offset = position();
+    return A;
+  }
+  
+  public ByteBuffer duplicate()
+  {
+    return new ByteBufferImpl(this);
+  }
+  
+  public ByteBuffer asReadOnlyBuffer()
+  {
+    ByteBufferImpl a = new ByteBufferImpl(this);
+    a.ro = true;
+    return a;
+  }
+  
+  public ByteBuffer compact()
+  {
+    return this;
+  }
+
+  public boolean isDirect()
+  {
+    return backing_buffer != null;
+  }
+
+  final public byte get()
+  {
+    byte e = backing_buffer[position()];
+    position(position()+1);
+    return e;
+  }
+  
+  final public ByteBuffer put(byte b)
+  {
+    backing_buffer[position()] = b;
+    position(position()+1);
+    return this;
+  }
+  
+  final public byte get(int index)
+  {
+    return backing_buffer[index];
+  }
+
+  final public ByteBuffer put(int index, byte b)
+  {
+    backing_buffer[index] = b;
+    return this;
+  }
+  
+  final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public ByteBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public ByteBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; };
+  final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public ByteBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public ByteBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
+  final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public ByteBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public ByteBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
+  final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public ByteBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public ByteBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
+  final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public ByteBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public ByteBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
+  final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public ByteBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public ByteBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
+}
diff --git a/libjava/gnu/java/nio/CharBufferImpl.java b/libjava/gnu/java/nio/CharBufferImpl.java
new file mode 100644
index 0000000..5253646
--- /dev/null
+++ b/libjava/gnu/java/nio/CharBufferImpl.java
@@ -0,0 +1,223 @@
+/* CharBufferImpl.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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
+public final class CharBufferImpl extends CharBuffer
+{
+  private int array_offset;
+  private boolean ro;
+  
+  public CharBufferImpl(int cap, int off, int lim)
+  {
+    this.backing_buffer = new char[cap];
+    this.cap = cap;
+    this.position(off);
+    this.limit(lim);
+  }
+  
+  public CharBufferImpl(char[] array, int off, int lim)
+  {
+    this.backing_buffer = array;
+    this.cap = array.length;
+    this.position(off);
+    this.limit(lim);
+  }
+  
+  public CharBufferImpl (CharBufferImpl copy)
+  {
+    backing_buffer = copy.backing_buffer;
+    ro = copy.ro;
+    position (copy.position ());
+    limit (copy.limit());
+  }
+  
+  void inc_pos (int a)
+  {
+    position (position () + a);
+  }
+ 
+//   private static native char[] nio_cast(byte[]copy);
+//   private static native char[] nio_cast(char[]copy);
+//   private static native char[] nio_cast(short[]copy);
+//   private static native char[] nio_cast(long[]copy);
+//   private static native char[] nio_cast(int[]copy);
+//   private static native char[] nio_cast(float[]copy);
+//   private static native char[] nio_cast(double[]copy);
+
+  private static char[] nio_cast(byte[]copy) { return null; };
+  private static char[] nio_cast(char[]copy) { return null; };
+  private static char[] nio_cast(short[]copy) { return null; };
+  private static char[] nio_cast(long[]copy) { return null; };
+  private static char[] nio_cast(int[]copy) { return null; };
+  private static char[] nio_cast(float[]copy) { return null; };
+  private static char[] nio_cast(double[]copy) { return null; };
+
+  CharBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native byte nio_get_Byte(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte(CharBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte(CharBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte(CharBufferImpl b, int index, int limit, byte value) { };
+  public java.nio. ByteBuffer asByteBuffer() { gnu.java.nio. ByteBufferImpl res = new gnu.java.nio. ByteBufferImpl(backing_buffer); res.limit((limit()*1)/2); return res; }
+
+  CharBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(CharBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(CharBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(CharBufferImpl b, int index, int limit, char value) { };
+  public java.nio. CharBuffer asCharBuffer() { gnu.java.nio. CharBufferImpl res = new gnu.java.nio. CharBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; }
+
+  CharBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(CharBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(CharBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Short(CharBufferImpl b, int index, int limit, short value) { };
+  public java.nio. ShortBuffer asShortBuffer() { gnu.java.nio. ShortBufferImpl res = new gnu.java.nio. ShortBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; }
+
+  CharBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(CharBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(CharBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Int(CharBufferImpl b, int index, int limit, int value) { };
+  public java.nio. IntBuffer asIntBuffer() { gnu.java.nio. IntBufferImpl res = new gnu.java.nio. IntBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; }
+
+  CharBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(CharBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(CharBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(CharBufferImpl b, int index, int limit, long value) { };
+  public java.nio. LongBuffer asLongBuffer() { gnu.java.nio. LongBufferImpl res = new gnu.java.nio. LongBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; }
+
+  CharBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(CharBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(CharBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(CharBufferImpl b, int index, int limit, float value) { };
+  public java.nio. FloatBuffer asFloatBuffer() { gnu.java.nio. FloatBufferImpl res = new gnu.java.nio. FloatBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; }
+
+  CharBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(CharBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(CharBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(CharBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(CharBufferImpl b, int index, int limit, double value) { };
+  public java.nio. DoubleBuffer asDoubleBuffer() { gnu.java.nio. DoubleBufferImpl res = new gnu.java.nio. DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; }
+  
+  public boolean isReadOnly()
+    {
+        return ro;
+    }
+    public CharBuffer slice()
+    {
+        CharBufferImpl A = new CharBufferImpl(this);
+        A.array_offset = position();
+        return A;
+    }
+    public CharBuffer duplicate()
+    {
+        return new CharBufferImpl(this);
+    }
+    public CharBuffer asReadOnlyBuffer()
+    {
+        CharBufferImpl a = new CharBufferImpl(this);
+        a.ro = true;
+        return a;
+    }
+    public CharBuffer compact()
+    {
+        return this;
+    }
+    public boolean isDirect()
+    {
+        return backing_buffer != null;
+    }
+  final public char get()
+    {
+        char e = backing_buffer[position()];
+        position(position()+1);
+        return e;
+    }
+  final public CharBuffer put(char b)
+    {
+        backing_buffer[position()] = b;
+        position(position()+1);
+        return this;
+    }
+  final public char get(int index)
+    {
+        return backing_buffer[index];
+    }
+   final public java.nio. CharBuffer put(int index, char b)
+    {
+      backing_buffer[index] = b;
+      return this;
+    }
+
+  final public char getChar() { return get(); } final public java.nio. CharBuffer putChar(char value) { return put(value); } final public char getChar(int index) { return get(index); } final public java.nio. CharBuffer putChar(int index, char value) { return put(index, value); };
+  final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public java.nio. CharBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public java.nio. CharBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
+  final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public java.nio. CharBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public java.nio. CharBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
+  final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public java.nio. CharBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public java.nio. CharBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
+  final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public java.nio. CharBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public java.nio. CharBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
+  final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public java.nio. CharBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public java.nio. CharBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
+
+    public String toString()
+    {
+      if (backing_buffer != null)
+        {
+          return new String(backing_buffer, position(), limit());
+        }
+      return super.toString();
+    }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public CharSequence subSequence(int a, int b)
+  {
+    return null;
+  }
+}
diff --git a/libjava/gnu/java/nio/DatagramChannelImpl.java b/libjava/gnu/java/nio/DatagramChannelImpl.java
new file mode 100644
index 0000000..b192ef2
--- /dev/null
+++ b/libjava/gnu/java/nio/DatagramChannelImpl.java
@@ -0,0 +1,110 @@
+/* DatagramChannelImpl.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 gnu.java.nio;
+
+import java.net.DatagramSocket;
+import java.net.SocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.spi.SelectorProvider;
+
+public class DatagramChannelImpl extends DatagramChannel
+{
+  protected DatagramChannelImpl (SelectorProvider provider)
+  {
+    super (provider);
+  }
+    
+  protected void implCloseSelectableChannel ()
+  {
+  }
+    
+  protected void implConfigureBlocking (boolean block)
+  {
+  }
+
+  public int write (ByteBuffer src)
+  {
+    return 0;
+  }
+
+  public long write (ByteBuffer[] srcs, int offset, int length)
+  {
+    return 0;
+  }
+
+  public int read (ByteBuffer dst)
+  {
+    return 0;
+  }
+    
+  public DatagramChannel connect (SocketAddress remote)
+  {
+    return null;
+  }
+    
+  public DatagramChannel disconnect ()
+  {
+    return null;
+  }
+    
+  public boolean isConnected ()
+  {
+    return false;
+  }
+    
+  public long read (ByteBuffer[] dsts, int offset, int length)
+  {
+    return 0;
+  }
+    
+  public SocketAddress receive (ByteBuffer dst)
+  {
+    return null;
+  }
+    
+  public int send (ByteBuffer src, SocketAddress target)
+  {
+    return 0;
+  }
+    
+  public DatagramSocket socket ()
+  {
+    return null;
+  }
+}
diff --git a/libjava/gnu/java/nio/DoubleBufferImpl.java b/libjava/gnu/java/nio/DoubleBufferImpl.java
new file mode 100644
index 0000000..40628679
--- /dev/null
+++ b/libjava/gnu/java/nio/DoubleBufferImpl.java
@@ -0,0 +1,212 @@
+/* DoubleBufferImpl.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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
+public final class DoubleBufferImpl extends DoubleBuffer
+{
+  private int array_offset;
+  private boolean ro;
+  
+  public DoubleBufferImpl(int cap, int off, int lim)
+  {
+    this.backing_buffer = new double[cap];
+    this.cap = cap;
+    this.position(off);
+    this.limit(lim);
+  }
+  
+  public DoubleBufferImpl(double[] array, int off, int lim)
+  {
+    this.backing_buffer = array;
+    this.cap = array.length;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public DoubleBufferImpl(DoubleBufferImpl copy)
+  {
+    backing_buffer = copy.backing_buffer;
+    ro = copy.ro;
+    position(copy.position());
+    limit(copy.limit());
+  }
+  
+  void inc_pos(int a)
+  {
+    position(position() + a);
+  }
+  
+//   private static native double[] nio_cast(byte[]copy);
+//   private static native double[] nio_cast(char[]copy);
+//   private static native double[] nio_cast(short[]copy);
+//   private static native double[] nio_cast(long[]copy);
+//   private static native double[] nio_cast(int[]copy);
+//   private static native double[] nio_cast(float[]copy);
+//   private static native double[] nio_cast(double[]copy);
+
+  private static double[] nio_cast(byte[]copy) { return null; };
+  private static double[] nio_cast(char[]copy) { return null; };
+  private static double[] nio_cast(short[]copy) { return null; };
+  private static double[] nio_cast(long[]copy) { return null; };
+  private static double[] nio_cast(int[]copy) { return null; };
+  private static double[] nio_cast(float[]copy) { return null; };
+  private static double[] nio_cast(double[]copy) { return null; };
+
+  DoubleBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native byte nio_get_Byte(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte(DoubleBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte(DoubleBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte(DoubleBufferImpl b, int index, int limit, byte value) { };
+  public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/8); return res; }
+
+  DoubleBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(DoubleBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(DoubleBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(DoubleBufferImpl b, int index, int limit, char value) { };
+  public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; }
+
+  DoubleBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(DoubleBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(DoubleBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Short(DoubleBufferImpl b, int index, int limit, short value) { };
+  public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; }
+
+  DoubleBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(DoubleBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(DoubleBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Int(DoubleBufferImpl b, int index, int limit, int value) { };
+  public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; }
+
+  DoubleBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(DoubleBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(DoubleBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(DoubleBufferImpl b, int index, int limit, long value) { };
+  public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; }
+
+  DoubleBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(DoubleBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(DoubleBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(DoubleBufferImpl b, int index, int limit, float value) { };
+  public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; }
+
+  DoubleBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(DoubleBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(DoubleBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(DoubleBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(DoubleBufferImpl b, int index, int limit, double value) { };
+  public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; }
+
+  public boolean isReadOnly()
+  {
+    return ro;
+  }
+
+  public DoubleBuffer slice()
+  {
+    DoubleBufferImpl A = new DoubleBufferImpl(this);
+    A.array_offset = position();
+    return A;
+  }
+
+  public DoubleBuffer duplicate()
+  {
+    return new DoubleBufferImpl(this);
+  }
+
+  public DoubleBuffer asReadOnlyBuffer()
+  {
+    DoubleBufferImpl a = new DoubleBufferImpl(this);
+    a.ro = true;
+    return a;
+  }
+
+  public DoubleBuffer compact()
+  {
+    return this;
+  }
+
+  public boolean isDirect()
+  {
+    return backing_buffer != null;
+  }
+
+  final public double get()
+  {
+    double e = backing_buffer[position()];
+    position(position()+1);
+    return e;
+  }
+
+  final public DoubleBuffer put(double b)
+  {
+    backing_buffer[position()] = b;
+    position(position()+1);
+    return this;
+  }
+
+  final public double get(int index)
+  {
+    return backing_buffer[index];
+  }
+
+  final public DoubleBuffer put(int index, double b)
+  {
+    backing_buffer[index] = b;
+    return this;
+  }
+
+  final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public DoubleBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public DoubleBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; };
+  final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public DoubleBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public DoubleBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
+  final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public DoubleBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public DoubleBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
+  final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public DoubleBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public DoubleBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
+  final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public DoubleBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public DoubleBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
+  final public double getDouble() { return get(); } final public DoubleBuffer putDouble(double value) { return put(value); } final public double getDouble(int index) { return get(index); } final public DoubleBuffer putDouble(int index, double value) { return put(index, value); };
+}
diff --git a/libjava/gnu/java/nio/FileChannelImpl.java b/libjava/gnu/java/nio/FileChannelImpl.java
new file mode 100644
index 0000000..26b48e5
--- /dev/null
+++ b/libjava/gnu/java/nio/FileChannelImpl.java
@@ -0,0 +1,234 @@
+/* FileChannelImpl.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 gnu.java.nio;
+
+import java.io.EOFException;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel;
+
+/**
+ * This file is not user visible !
+ * But alas, Java does not have a concept of friendly packages
+ * so this class is public. 
+ * Instances of this class are created by invoking getChannel
+ * Upon a Input/Output/RandomAccessFile object.
+ */
+
+public class FileChannelImpl extends FileChannel
+{
+  public long address;
+  public int length;
+  public int fd;
+  public MappedByteBuffer buf;
+  public Object file_obj; // just to keep it live...
+
+  /**
+   * This method came from java.io.RandomAccessFile
+   * It is private there so we will repeat it here.
+   */
+//   private native long lengthInternal (int native_fd) throws IOException;
+  private long lengthInternal (int native_fd) throws IOException
+  {
+    return 0;
+  };
+
+  public FileChannelImpl (int fd, Object obj)
+  {
+    this.fd = fd;
+    this.file_obj = obj;
+  }
+
+  public long size () throws IOException
+  {
+    return lengthInternal (fd);
+  }
+    
+  protected void implCloseChannel()  throws IOException
+  {
+    if (address != 0)
+	    {
+        nio_unmmap_file (fd, address, (int) length);
+	    }
+
+    // FIXME
+    fd = 0;
+
+    if (file_obj instanceof RandomAccessFile)
+	    {
+        RandomAccessFile o = (RandomAccessFile) file_obj;
+        o.close();
+	    }
+    else if (file_obj instanceof FileInputStream)
+	    {
+        FileInputStream o = (FileInputStream) file_obj;
+        o.close();
+	    }
+    else if (file_obj instanceof FileOutputStream)
+	    {
+        FileOutputStream o = (FileOutputStream) file_obj;
+        o.close();
+	    }
+  }
+
+  public int read (ByteBuffer dst) throws IOException
+  {
+    int w = 0;
+    int s = (int)size();
+
+    if (buf == null)
+	    {
+        throw new EOFException("file not mapped");
+	    }
+
+    for (int i=0; i<s; i++)
+	    {
+        dst.put( buf.get() );
+	    }
+
+    return s;
+  }
+
+  public long read (ByteBuffer[] dsts) throws IOException
+  {
+    return read (dsts, 0, dsts.length);
+  }
+
+  public long read (ByteBuffer[] dsts, int offset, int length)
+    throws IOException
+  {
+    long result = 0;
+
+    for (int i = offset; i < offset + length; i++)
+	    {
+        result += write (dsts[i]);
+	    }
+
+    return result;
+  }
+
+  public int write (ByteBuffer src) throws IOException
+  {
+    int w = 0;
+
+    if (buf == null)
+	    {
+        throw new EOFException ("file not mapped");
+	    }
+
+    while (src.hasRemaining ())
+	    {
+        buf.put (src.get ());
+        w++;
+	    }
+
+    return w;
+  }
+    
+  public long write(ByteBuffer[] srcs, int offset, int length)
+    throws IOException
+  {
+    long res = 0;
+
+    for (int i = offset;i < offset + length;i++)
+	    {
+        res += write (srcs[i]);
+	    }
+	return res;
+    }
+				   
+  public MappedByteBuffer map (FileChannel.MapMode mode, long position,
+                               long size)
+    throws IOException
+  {
+//     int cmode = mode.m;
+//     address = nio_mmap_file (fd, position, size, cmode);
+//     length = size;
+//     buf = new MappedByteFileBuffer (this);
+//     return buf;
+    return null;
+  }
+
+  static MappedByteBuffer create_direct_mapped_buffer (long address,
+                                                       long length)
+  {
+//     FileChannelImpl ch = new FileChannelImpl (-1, null);
+//     ch.address = address;
+//     ch.length = (int) length;
+//     ch.buf = new MappedByteFileBuffer (ch);
+//     return ch.buf;			 
+    return null;
+  }
+
+  public long write (ByteBuffer[] srcs)
+    throws IOException
+  {
+    return write (srcs, 0, srcs.length);
+  }
+				   
+  /**
+   * msync with the disk
+   */
+  public void force (boolean metaData)
+  {
+    nio_msync (fd, address, length);
+  }
+
+//   static native long nio_mmap_file (int fd, long pos, int size, int mode);
+
+//   static native void nio_unmmap_file (int fd, long address, int size);
+
+//   static native void nio_msync (int fd, long address, int length);
+
+  static long nio_mmap_file (int fd, long pos, int size, int mode)
+  {
+    return 0;
+  }
+
+  static void nio_unmmap_file (int fd, long address, int size)
+  {
+  };
+
+  static void nio_msync (int fd, long address, int length)
+  {
+  };
+}
diff --git a/libjava/gnu/java/nio/FloatBufferImpl.java b/libjava/gnu/java/nio/FloatBufferImpl.java
new file mode 100644
index 0000000..0df0f72
--- /dev/null
+++ b/libjava/gnu/java/nio/FloatBufferImpl.java
@@ -0,0 +1,218 @@
+/* FloatBufferImpl.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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
+public final class FloatBufferImpl extends FloatBuffer
+{
+  private int array_offset;
+  private boolean ro;
+  
+  public FloatBufferImpl(int cap, int off, int lim)
+  {
+    this.backing_buffer = new float[cap];
+    this.cap = cap;
+    this.position(off);
+    this.limit(lim);
+  }
+  
+  public FloatBufferImpl(float[] array, int off, int lim)
+  {
+    this.backing_buffer = array;
+    this.cap = array.length;
+    this.position(off);
+    this.limit(lim);
+  }
+  
+  public FloatBufferImpl(FloatBufferImpl copy)
+  {
+    backing_buffer = copy.backing_buffer;
+    ro = copy.ro;
+    position(copy.position());
+    limit(copy.limit());
+  }
+  
+  void inc_pos(int a)
+  {
+    position(position() + a);
+  }
+  
+//   private static native float[] nio_cast(byte[]copy);
+//   private static native float[] nio_cast(char[]copy);
+//   private static native float[] nio_cast(short[]copy);
+//   private static native float[] nio_cast(long[]copy);
+//   private static native float[] nio_cast(int[]copy);
+//   private static native float[] nio_cast(float[]copy);
+//   private static native float[] nio_cast(double[]copy);
+  
+  private static float[] nio_cast(byte[]copy) { return null; };
+  private static float[] nio_cast(char[]copy) { return null; };
+  private static float[] nio_cast(short[]copy) { return null; };
+  private static float[] nio_cast(long[]copy) { return null; };
+  private static float[] nio_cast(int[]copy) { return null; };
+  private static float[] nio_cast(float[]copy) { return null; };
+  private static float[] nio_cast(double[]copy) { return null; };
+  
+  FloatBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast (copy) : null; }
+//   private static native byte nio_get_Byte (FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte (FloatBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte (FloatBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte (FloatBufferImpl b, int index, int limit, byte value) { };
+
+  public ByteBuffer asByteBuffer()
+  {
+    ByteBufferImpl res = new ByteBufferImpl (backing_buffer);
+    res.limit ((limit () * 1) / 4);
+    return res;
+  }
+  
+  FloatBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(FloatBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(FloatBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(FloatBufferImpl b, int index, int limit, char value) { };
+  public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; }
+
+  FloatBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(FloatBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(FloatBufferImpl b, int index, int limit) { return 0;};
+  private static void nio_put_Short(FloatBufferImpl b, int index, int limit, short value) { };
+  public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; }
+  
+  FloatBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(FloatBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(FloatBufferImpl b, int index, int limit) { return 0;};
+  private static void nio_put_Int(FloatBufferImpl b, int index, int limit, int value) { };
+  public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; }
+  
+  FloatBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(FloatBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(FloatBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(FloatBufferImpl b, int index, int limit, long value) { };
+  public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; }
+
+  FloatBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(FloatBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(FloatBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(FloatBufferImpl b, int index, int limit, float value) { };
+  public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; }
+
+  FloatBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(FloatBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(FloatBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(FloatBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(FloatBufferImpl b, int index, int limit, double value) { };
+  public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; }
+  
+  public boolean isReadOnly()
+  {
+    return ro;
+  }
+  
+  public java.nio. FloatBuffer slice()
+  {
+    FloatBufferImpl A = new FloatBufferImpl(this);
+    A.array_offset = position();
+    return A;
+  }
+  
+  public java.nio. FloatBuffer duplicate()
+  {
+    return new FloatBufferImpl(this);
+  }
+  
+  public java.nio. FloatBuffer asReadOnlyBuffer()
+  {
+    FloatBufferImpl a = new FloatBufferImpl(this);
+    a.ro = true;
+    return a;
+  }
+  
+  public java.nio. FloatBuffer compact()
+  {
+    return this;
+  }
+  
+  public boolean isDirect()
+  {
+    return backing_buffer != null;
+  }
+  
+  final public float get()
+  {
+    float e = backing_buffer[position()];
+    position(position()+1);
+    return e;
+  }
+  
+  final public java.nio. FloatBuffer put(float b)
+  {
+    backing_buffer[position()] = b;
+    position(position()+1);
+    return this;
+  }
+  
+  final public float get(int index)
+  {
+    return backing_buffer[index];
+  }
+  
+  final public java.nio. FloatBuffer put(int index, float b)
+  {
+    backing_buffer[index] = b;
+    return this;
+  }
+  
+  final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public java.nio. FloatBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public java.nio. FloatBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; };
+  final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public java.nio. FloatBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public java.nio. FloatBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
+  final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public java.nio. FloatBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public java.nio. FloatBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
+  final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public java.nio. FloatBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public java.nio. FloatBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
+  final public float getFloat() { return get(); } final public java.nio. FloatBuffer putFloat(float value) { return put(value); } final public float getFloat(int index) { return get(index); } final public java.nio. FloatBuffer putFloat(int index, float value) { return put(index, value); };
+  final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public java.nio. FloatBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public java.nio. FloatBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
+}
diff --git a/libjava/gnu/java/nio/IntBufferImpl.java b/libjava/gnu/java/nio/IntBufferImpl.java
new file mode 100644
index 0000000..db1754d
--- /dev/null
+++ b/libjava/gnu/java/nio/IntBufferImpl.java
@@ -0,0 +1,206 @@
+/* IntBufferImpl.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 gnu.java.nio;
+
+import java.nio.IntBuffer;
+
+public final class IntBufferImpl extends IntBuffer
+{
+  private int array_offset;
+  private boolean ro;
+  
+  public IntBufferImpl(int cap, int off, int lim)
+  {
+    this.backing_buffer = new int[cap];
+    this.cap = cap;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public IntBufferImpl(int[] array, int off, int lim)
+  {
+    this.backing_buffer = array;
+    this.cap = array.length;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public IntBufferImpl(IntBufferImpl copy)
+  {
+    backing_buffer = copy.backing_buffer;
+    ro = copy.ro;
+    position(copy.position());
+    limit(copy.limit());
+  }
+
+  void inc_pos(int a)
+  {
+    position(position() + a);
+  }
+
+//   private static native int[] nio_cast(byte[]copy);
+//   private static native int[] nio_cast(char[]copy);
+//   private static native int[] nio_cast(short[]copy);
+//   private static native int[] nio_cast(long[]copy);
+//   private static native int[] nio_cast(int[]copy);
+//   private static native int[] nio_cast(float[]copy);
+//   private static native int[] nio_cast(double[]copy);
+
+  private static int[] nio_cast(byte[]copy) { return null; };
+  private static int[] nio_cast(char[]copy) { return null; };
+  private static int[] nio_cast(short[]copy) { return null; };
+  private static int[] nio_cast(long[]copy) { return null; };
+  private static int[] nio_cast(int[]copy) { return null; };
+  private static int[] nio_cast(float[]copy) { return null; };
+  private static int[] nio_cast(double[]copy) { return null; };
+
+  IntBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native byte nio_get_Byte(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte(IntBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte(IntBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte(IntBufferImpl b, int index, int limit, byte value) { };
+  public java.nio. ByteBuffer asByteBuffer() { gnu.java.nio. ByteBufferImpl res = new gnu.java.nio. ByteBufferImpl(backing_buffer); res.limit((limit()*1)/4); return res; }
+
+  IntBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(IntBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(IntBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(IntBufferImpl b, int index, int limit, char value) { };
+  public java.nio. CharBuffer asCharBuffer() { gnu.java.nio. CharBufferImpl res = new gnu.java.nio. CharBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; }
+
+  IntBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(IntBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(IntBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Short(IntBufferImpl b, int index, int limit, short value) { };
+  public java.nio. ShortBuffer asShortBuffer() { gnu.java.nio. ShortBufferImpl res = new gnu.java.nio. ShortBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; }
+
+  IntBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(IntBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(IntBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Int(IntBufferImpl b, int index, int limit, int value) { };
+  public java.nio. IntBuffer asIntBuffer() { gnu.java.nio. IntBufferImpl res = new gnu.java.nio. IntBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; }
+
+  IntBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(IntBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(IntBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(IntBufferImpl b, int index, int limit, long value) { };
+  public java.nio. LongBuffer asLongBuffer() { gnu.java.nio. LongBufferImpl res = new gnu.java.nio. LongBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; }
+
+  IntBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(IntBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(IntBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(IntBufferImpl b, int index, int limit, float value) { };
+  public java.nio. FloatBuffer asFloatBuffer() { gnu.java.nio. FloatBufferImpl res = new gnu.java.nio. FloatBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; }
+
+  IntBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(IntBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(IntBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(IntBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(IntBufferImpl b, int index, int limit, double value) { };
+  public java.nio. DoubleBuffer asDoubleBuffer() { gnu.java.nio. DoubleBufferImpl res = new gnu.java.nio. DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; }
+
+  public boolean isReadOnly()
+  {
+    return ro;
+  }
+
+  public java.nio. IntBuffer slice()
+  {
+    IntBufferImpl A = new IntBufferImpl(this);
+    A.array_offset = position();
+    return A;
+  }
+
+  public java.nio. IntBuffer duplicate()
+  {
+    return new IntBufferImpl(this);
+  }
+
+  public java.nio. IntBuffer asReadOnlyBuffer()
+  {
+    IntBufferImpl a = new IntBufferImpl(this);
+    a.ro = true;
+    return a;
+  }
+
+  public java.nio. IntBuffer compact()
+  {
+    return this;
+  }
+
+  public boolean isDirect()
+  {
+    return backing_buffer != null;
+  }
+
+  final public int get()
+  {
+    int e = backing_buffer[position()];
+    position(position()+1);
+    return e;
+  }
+
+  final public java.nio. IntBuffer put(int b)
+  {
+    backing_buffer[position()] = b;
+    position(position()+1);
+    return this;
+  }
+
+  final public int get(int index)
+  {
+    return backing_buffer[index];
+  }
+
+  final public java.nio. IntBuffer put(int index, int b)
+  {
+    backing_buffer[index] = b;
+    return this;
+  }
+
+  final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public java.nio. IntBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public java.nio. IntBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; };
+  final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public java.nio. IntBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public java.nio. IntBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
+  final public int getInt() { return get(); } final public java.nio. IntBuffer putInt(int value) { return put(value); } final public int getInt(int index) { return get(index); } final public java.nio. IntBuffer putInt(int index, int value) { return put(index, value); };
+  final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public java.nio. IntBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public java.nio. IntBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
+  final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public java.nio. IntBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public java.nio. IntBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
+  final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public java.nio. IntBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public java.nio. IntBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
+}
diff --git a/libjava/gnu/java/nio/LongBufferImpl.java b/libjava/gnu/java/nio/LongBufferImpl.java
new file mode 100644
index 0000000..096481f
--- /dev/null
+++ b/libjava/gnu/java/nio/LongBufferImpl.java
@@ -0,0 +1,212 @@
+/* LongBufferImpl.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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
+public final class LongBufferImpl extends LongBuffer
+{
+  private int array_offset;
+  private boolean ro;
+
+  public LongBufferImpl(int cap, int off, int lim)
+  {
+    this.backing_buffer = new long[cap];
+    this.cap = cap ;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public LongBufferImpl(long[] array, int off, int lim)
+  {
+    this.backing_buffer = array;
+    this.cap = array.length;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public LongBufferImpl(LongBufferImpl copy)
+  {
+    backing_buffer = copy.backing_buffer;
+    ro = copy.ro;
+    position(copy.position());
+    limit(copy.limit());
+  }
+
+  void inc_pos(int a)
+  {
+    position(position() + a);
+  }
+
+//   private static native long[] nio_cast(byte[]copy);
+//   private static native long[] nio_cast(char[]copy);
+//   private static native long[] nio_cast(short[]copy);
+//   private static native long[] nio_cast(long[]copy);
+//   private static native long[] nio_cast(int[]copy);
+//   private static native long[] nio_cast(float[]copy);
+//   private static native long[] nio_cast(double[]copy);
+
+  private static long[] nio_cast(byte[]copy) { return null; };
+  private static long[] nio_cast(char[]copy) { return null; };
+  private static long[] nio_cast(short[]copy) { return null; };
+  private static long[] nio_cast(long[]copy) { return null; };
+  private static long[] nio_cast(int[]copy) { return null; };
+  private static long[] nio_cast(float[]copy) { return null; };
+  private static long[] nio_cast(double[]copy) { return null; };
+
+  LongBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native byte nio_get_Byte(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte(LongBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte(LongBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte(LongBufferImpl b, int index, int limit, byte value) { };
+  public java.nio. ByteBuffer asByteBuffer() { gnu.java.nio. ByteBufferImpl res = new gnu.java.nio. ByteBufferImpl(backing_buffer); res.limit((limit()*1)/8); return res; }
+
+  LongBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(LongBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(LongBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(LongBufferImpl b, int index, int limit, char value) { };
+  public java.nio. CharBuffer asCharBuffer() { gnu.java.nio. CharBufferImpl res = new gnu.java.nio. CharBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; }
+
+  LongBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(LongBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(LongBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Short(LongBufferImpl b, int index, int limit, short value) { };
+  public java.nio. ShortBuffer asShortBuffer() { gnu.java.nio. ShortBufferImpl res = new gnu.java.nio. ShortBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; }
+
+  LongBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(LongBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(LongBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Int(LongBufferImpl b, int index, int limit, int value) { };
+  public java.nio. IntBuffer asIntBuffer() { gnu.java.nio. IntBufferImpl res = new gnu.java.nio. IntBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; }
+
+  LongBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(LongBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(LongBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(LongBufferImpl b, int index, int limit, long value) { };
+  public java.nio. LongBuffer asLongBuffer() { gnu.java.nio. LongBufferImpl res = new gnu.java.nio. LongBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; }
+
+  LongBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(LongBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(LongBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(LongBufferImpl b, int index, int limit, float value) { };
+  public java.nio. FloatBuffer asFloatBuffer() { gnu.java.nio. FloatBufferImpl res = new gnu.java.nio. FloatBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; }
+
+  LongBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(LongBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(LongBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(LongBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(LongBufferImpl b, int index, int limit, double value) { };
+  public java.nio. DoubleBuffer asDoubleBuffer() { gnu.java.nio. DoubleBufferImpl res = new gnu.java.nio. DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; }
+
+  public boolean isReadOnly()
+  {
+    return ro;
+  }
+
+  public java.nio. LongBuffer slice()
+  {
+    LongBufferImpl A = new LongBufferImpl(this);
+    A.array_offset = position();
+    return A;
+  }
+
+  public java.nio. LongBuffer duplicate()
+  {
+    return new LongBufferImpl(this);
+  }
+
+  public java.nio. LongBuffer asReadOnlyBuffer()
+  {
+    LongBufferImpl a = new LongBufferImpl(this);
+    a.ro = true;
+    return a;
+  }
+
+  public java.nio. LongBuffer compact()
+  {
+    return this;
+  }
+
+  public boolean isDirect()
+  {
+    return backing_buffer != null;
+  }
+
+  final public long get()
+  {
+    long e = backing_buffer[position()];
+    position(position()+1);
+    return e;
+  }
+
+  final public java.nio. LongBuffer put(long b)
+  {
+    backing_buffer[position()] = b;
+    position(position()+1);
+    return this;
+  }
+
+  final public long get(int index)
+  {
+    return backing_buffer[index];
+  }
+
+  final public java.nio. LongBuffer put(int index, long b)
+  {
+    backing_buffer[index] = b;
+    return this;
+  }
+
+  final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public java.nio. LongBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public java.nio. LongBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; };
+  final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public java.nio. LongBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public java.nio. LongBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
+  final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public java.nio. LongBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public java.nio. LongBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
+  final public long getLong() { return get(); } final public java.nio. LongBuffer putLong(long value) { return put(value); } final public long getLong(int index) { return get(index); } final public java.nio. LongBuffer putLong(int index, long value) { return put(index, value); };
+  final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public java.nio. LongBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public java.nio. LongBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
+  final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public java.nio. LongBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public java.nio. LongBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
+}
diff --git a/libjava/gnu/java/nio/PipeImpl.java b/libjava/gnu/java/nio/PipeImpl.java
new file mode 100644
index 0000000..77341e7
--- /dev/null
+++ b/libjava/gnu/java/nio/PipeImpl.java
@@ -0,0 +1,57 @@
+/* PipeImpl.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 gnu.java.nio;
+
+import java.nio.channels.Pipe;
+
+class PipeImpl extends Pipe
+{
+  public PipeImpl()
+  {
+  }
+    
+  public Pipe.SinkChannel sink()
+  {
+    return null;
+  }
+
+  public Pipe.SourceChannel source()
+  {
+    return null;
+  }
+}
diff --git a/libjava/gnu/java/nio/SelectionKeyImpl.java b/libjava/gnu/java/nio/SelectionKeyImpl.java
new file mode 100644
index 0000000..8ef6f7f
--- /dev/null
+++ b/libjava/gnu/java/nio/SelectionKeyImpl.java
@@ -0,0 +1,83 @@
+/* SelectionKeyImpl.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 gnu.java.nio;
+
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectionKey;
+
+public class SelectionKeyImpl extends AbstractSelectionKey
+{
+  int fd, ops;
+  SelectorImpl impl;
+  SelectableChannel ch;
+
+  public SelectionKeyImpl(SelectableChannel ch, SelectorImpl impl, int fd)
+  {
+    this.ch  = ch;
+    this.impl = impl;
+    this.fd  = fd;
+  }
+
+  public SelectableChannel channel ()
+  {
+    return ch;
+  }
+
+  public int readyOps ()
+  {
+    return 0;
+  }
+
+  public int interestOps ()
+  {
+    return ops;    
+  }
+
+  public SelectionKey interestOps (int ops)
+  {
+    this.ops = ops;
+    return this;
+  }
+    
+  public Selector selector ()
+  {
+    return impl;
+  }
+}
diff --git a/libjava/gnu/java/nio/SelectorImpl.java b/libjava/gnu/java/nio/SelectorImpl.java
new file mode 100644
index 0000000..7d3d88c
--- /dev/null
+++ b/libjava/gnu/java/nio/SelectorImpl.java
@@ -0,0 +1,204 @@
+/* SelectorImpl.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 gnu.java.nio;
+
+import java.nio.channels.ClosedSelectorException;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectableChannel;
+import java.nio.channels.spi.AbstractSelector;
+import java.nio.channels.spi.SelectorProvider;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+public class SelectorImpl extends AbstractSelector
+{
+  boolean closed = false;
+  Set keys, selected, canceled;
+
+  public SelectorImpl (SelectorProvider provider)
+  {
+    super (provider);
+  }
+
+  public Set keys ()
+  {
+    return keys;
+  }
+    
+  public int selectNow ()
+  {
+    return select (1);
+  }
+
+  public int select ()
+  {
+    return select (Long.MAX_VALUE);
+  }
+
+//   private static native int java_do_select(int[] read, int[] write,
+//                                            int[] except, long timeout);
+
+  private static int java_do_select(int[] read, int[] write,
+                                    int[] except, long timeout)
+  {
+    return 0;
+  }
+
+  public int select (long timeout)
+  {
+    if (closed)
+      {
+        throw new ClosedSelectorException ();
+      }
+
+    if (keys == null)
+	    {
+        return 0;
+	    }
+
+    int[] read = new int[keys.size ()];
+    int[] write = new int[keys.size ()];
+    int[] except = new int[keys.size ()];
+    int i = 0;
+    Iterator it = keys.iterator ();
+
+    while (it.hasNext ())
+	    {
+        SelectionKeyImpl k = (SelectionKeyImpl) it.next ();
+        read[i] = k.fd;
+        write[i] = k.fd;
+        except[i] = k.fd;
+        i++;
+	    }
+
+    int ret = java_do_select (read, write, except, timeout);
+
+    i = 0;
+    it = keys.iterator ();
+
+    while (it.hasNext ())
+	    {
+        SelectionKeyImpl k = (SelectionKeyImpl) it.next ();
+
+        if (read[i] != -1 ||
+            write[i] != -1 ||
+            except[i] != -1)
+          {
+            add_selected (k);
+          }
+
+        i++;
+	    }
+
+    return ret;
+  }
+    
+  public Set selectedKeys ()
+  {
+    return selected;
+  }
+
+  public Selector wakeup ()
+  {
+    return null;
+  }
+
+  public void add (SelectionKeyImpl k)
+  {
+    if (keys == null)
+	    keys = new HashSet ();
+
+    keys.add (k);
+  }
+
+  void add_selected (SelectionKeyImpl k)
+  {
+    if (selected == null)
+	    selected = new HashSet ();
+
+    selected.add(k);
+  }
+
+  protected void implCloseSelector ()
+  {
+    closed = true;
+  }
+    
+  protected SelectionKey register (SelectableChannel ch, int ops, Object att)
+  {
+    return register ((AbstractSelectableChannel) ch, ops, att);
+  }
+
+  protected SelectionKey register (AbstractSelectableChannel ch, int ops,
+                                   Object att)
+  {
+// 	  // filechannel is not selectable ?
+//     if (ch instanceof FileChannelImpl)
+//       {
+//         FileChannelImpl fc = (FileChannelImpl) ch;
+//         SelectionKeyImpl impl = new SelectionKeyImpl (ch, this, fc.fd);
+//         keys.add (impl);
+//         return impl;
+//       }
+//     else
+	
+    if (ch instanceof SocketChannelImpl)
+	    {
+        SocketChannelImpl sc = (SocketChannelImpl) ch;
+        SelectionKeyImpl impl = new SelectionKeyImpl (ch, this, sc.fd);
+        add (impl);
+        return impl;
+	    }
+    else if (ch instanceof ServerSocketChannelImpl)
+      {
+        ServerSocketChannelImpl ssc = (ServerSocketChannelImpl) ch;
+        SelectionKeyImpl impl = new SelectionKeyImpl (ch, this, ssc.fd);
+        add (impl);
+        return impl;
+      }
+    else
+	    {
+        System.err.println ("INTERNAL ERROR, no known channel type");
+	    }
+
+    return null;
+  }
+}
diff --git a/libjava/gnu/java/nio/SelectorProviderImpl.java b/libjava/gnu/java/nio/SelectorProviderImpl.java
new file mode 100644
index 0000000..3fedfc73
--- /dev/null
+++ b/libjava/gnu/java/nio/SelectorProviderImpl.java
@@ -0,0 +1,77 @@
+/* SelectorProviderImpl.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 gnu.java.nio;
+
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.Pipe;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+import java.nio.channels.spi.SelectorProvider;
+import java.nio.channels.spi.AbstractSelector;
+
+public class SelectorProviderImpl extends SelectorProvider
+{
+  public SelectorProviderImpl ()
+  {
+  }
+
+  public DatagramChannel openDatagramChannel ()
+  {
+    return new DatagramChannelImpl (this);
+  }
+
+  public Pipe openPipe ()
+  {
+    return new PipeImpl ();
+  }
+    
+  public AbstractSelector openSelector ()
+  {
+    return new SelectorImpl (this);
+  }
+
+  public ServerSocketChannel openServerSocketChannel ()
+  {
+    return new ServerSocketChannelImpl (this);
+  }
+
+  public SocketChannel openSocketChannel ()
+  {
+    return new SocketChannelImpl (this);
+  }
+}
diff --git a/libjava/gnu/java/nio/ServerSocketChannelImpl.java b/libjava/gnu/java/nio/ServerSocketChannelImpl.java
new file mode 100644
index 0000000..e75c68d
--- /dev/null
+++ b/libjava/gnu/java/nio/ServerSocketChannelImpl.java
@@ -0,0 +1,118 @@
+/* ServerSocketChannelImpl.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 gnu.java.nio;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.SocketAddress;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+import java.nio.channels.spi.SelectorProvider;
+
+class ServerSocketChannelImpl extends ServerSocketChannel
+{
+  ServerSocket sock_object;
+  int fd;
+//   int local_port;
+  boolean blocking = true;
+  boolean connected = false;
+//   InetSocketAddress sa;
+
+//   private static native int NioSocketAccept (ServerSocketChannelImpl server, 
+//                                              SocketChannelImpl s);
+
+  private static int NioSocketAccept (ServerSocketChannelImpl server, 
+                                      SocketChannelImpl s)
+  {
+    return 0;
+  }
+
+  protected ServerSocketChannelImpl (SelectorProvider provider)
+  {
+    super (provider);
+    fd = SocketChannelImpl.SocketCreate ();
+
+    try
+      {
+        sock_object = new ServerSocket ();
+      }
+    catch (IOException e)
+      {
+        System.err.println ("ServerSocket could not be created.");
+      }
+  }
+ 
+  public void finalizer()
+  {
+    if (connected)
+	    {
+        try
+          {
+            close();
+          }
+        catch (Exception e)
+          {
+          }
+	    }
+  }
+
+  protected void implCloseSelectableChannel ()
+  {
+    connected = false;
+    SocketChannelImpl.SocketClose (fd);
+    fd = SocketChannelImpl.SocketCreate ();
+  }
+
+  protected void implConfigureBlocking (boolean block)
+  {
+  }
+
+  public SocketChannel accept ()
+  {
+    SocketChannelImpl result = new SocketChannelImpl (provider ());
+    result.sa = new InetSocketAddress (0);
+    int res = NioSocketAccept (this, result);
+    return result;
+  }
+
+  public ServerSocket socket ()
+  {
+    return sock_object;
+  }
+}
diff --git a/libjava/gnu/java/nio/ShortBufferImpl.java b/libjava/gnu/java/nio/ShortBufferImpl.java
new file mode 100644
index 0000000..15a0cd6
--- /dev/null
+++ b/libjava/gnu/java/nio/ShortBufferImpl.java
@@ -0,0 +1,212 @@
+/* ShortBufferImpl.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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
+public final class ShortBufferImpl extends ShortBuffer
+{
+  private int array_offset;
+  private boolean ro;
+
+  public ShortBufferImpl(int cap, int off, int lim)
+  {
+    this.backing_buffer = new short[cap];
+    this.cap = cap ;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public ShortBufferImpl(short[] array, int off, int lim)
+  {
+    this.backing_buffer = array;
+    this.cap = array.length;
+    this.position(off);
+    this.limit(lim);
+  }
+
+  public ShortBufferImpl(ShortBufferImpl copy)
+  {
+    backing_buffer = copy.backing_buffer;
+    ro = copy.ro;
+    position(copy.position());
+    limit(copy.limit());
+  }
+
+  void inc_pos(int a)
+  {
+    position(position() + a);
+  }
+
+//   private static native short[] nio_cast(byte[]copy);
+//   private static native short[] nio_cast(char[]copy);
+//   private static native short[] nio_cast(short[]copy);
+//   private static native short[] nio_cast(long[]copy);
+//   private static native short[] nio_cast(int[]copy);
+//   private static native short[] nio_cast(float[]copy);
+//   private static native short[] nio_cast(double[]copy);
+
+  private static short[] nio_cast(byte[]copy) { return null; };
+  private static short[] nio_cast(char[]copy) { return null; };
+  private static short[] nio_cast(short[]copy) { return null; };
+  private static short[] nio_cast(long[]copy) { return null; };
+  private static short[] nio_cast(int[]copy) { return null; };
+  private static short[] nio_cast(float[]copy) { return null; };
+  private static short[] nio_cast(double[]copy) { return null; };
+
+  ShortBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native byte nio_get_Byte(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Byte(ShortBufferImpl b, int index, int limit, byte value);
+  private static byte nio_get_Byte(ShortBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Byte(ShortBufferImpl b, int index, int limit, byte value) { };
+  public java.nio. ByteBuffer asByteBuffer() { gnu.java.nio. ByteBufferImpl res = new gnu.java.nio. ByteBufferImpl(backing_buffer); res.limit((limit()*1)/2); return res; }
+
+  ShortBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native char nio_get_Char(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Char(ShortBufferImpl b, int index, int limit, char value);
+  private static char nio_get_Char(ShortBufferImpl b, int index, int limit) { return ' '; };
+  private static void nio_put_Char(ShortBufferImpl b, int index, int limit, char value) { };
+  public java.nio. CharBuffer asCharBuffer() { gnu.java.nio. CharBufferImpl res = new gnu.java.nio. CharBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; }
+
+  ShortBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native short nio_get_Short(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Short(ShortBufferImpl b, int index, int limit, short value);
+  private static short nio_get_Short(ShortBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Short(ShortBufferImpl b, int index, int limit, short value) { };
+  public java.nio. ShortBuffer asShortBuffer() { gnu.java.nio. ShortBufferImpl res = new gnu.java.nio. ShortBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; }
+
+  ShortBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native int nio_get_Int(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Int(ShortBufferImpl b, int index, int limit, int value);
+  private static int nio_get_Int(ShortBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Int(ShortBufferImpl b, int index, int limit, int value) { };
+  public java.nio. IntBuffer asIntBuffer() { gnu.java.nio. IntBufferImpl res = new gnu.java.nio. IntBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; }
+
+  ShortBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native long nio_get_Long(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Long(ShortBufferImpl b, int index, int limit, long value);
+  private static long nio_get_Long(ShortBufferImpl b, int index, int limit) { return 0; };
+  private static void nio_put_Long(ShortBufferImpl b, int index, int limit, long value) { };
+  public java.nio. LongBuffer asLongBuffer() { gnu.java.nio. LongBufferImpl res = new gnu.java.nio. LongBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; }
+
+  ShortBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native float nio_get_Float(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Float(ShortBufferImpl b, int index, int limit, float value);
+  private static float nio_get_Float(ShortBufferImpl b, int index, int limit) { return 0.0f; };
+  private static void nio_put_Float(ShortBufferImpl b, int index, int limit, float value) { };
+  public java.nio. FloatBuffer asFloatBuffer() { gnu.java.nio. FloatBufferImpl res = new gnu.java.nio. FloatBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; }
+
+  ShortBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
+//   private static native double nio_get_Double(ShortBufferImpl b, int index, int limit);
+//   private static native void nio_put_Double(ShortBufferImpl b, int index, int limit, double value);
+  private static double nio_get_Double(ShortBufferImpl b, int index, int limit) { return 0.0d; };
+  private static void nio_put_Double(ShortBufferImpl b, int index, int limit, double value) { };
+  public java.nio. DoubleBuffer asDoubleBuffer() { gnu.java.nio. DoubleBufferImpl res = new gnu.java.nio. DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; }
+
+  public boolean isReadOnly()
+  {
+    return ro;
+  }
+
+  public ShortBuffer slice()
+  {
+    ShortBufferImpl a = new ShortBufferImpl(this);
+    a.array_offset = position();
+    return a;
+  }
+
+  public ShortBuffer duplicate()
+  {
+    return new ShortBufferImpl(this);
+  }
+
+  public ShortBuffer asReadOnlyBuffer()
+  {
+    ShortBufferImpl a = new ShortBufferImpl(this);
+    a.ro = true;
+    return a;
+  }
+
+  public ShortBuffer compact()
+  {
+    return this;
+  }
+
+  public boolean isDirect()
+  {
+    return backing_buffer != null;
+  }
+
+  final public short get()
+  {
+    short e = backing_buffer[position()];
+    position(position()+1);
+    return e;
+  }
+
+  final public ShortBuffer put(short b)
+  {
+    backing_buffer[position()] = b;
+    position(position()+1);
+    return this;
+  }
+
+  final public short get(int index)
+  {
+    return backing_buffer[index];
+  }
+
+  final public ShortBuffer put(int index, short b)
+  {
+    backing_buffer[index] = b;
+    return this;
+  }
+
+  final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public java.nio. ShortBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public java.nio. ShortBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; };
+  final public short getShort() { return get(); } final public java.nio. ShortBuffer putShort(short value) { return put(value); } final public short getShort(int index) { return get(index); } final public java.nio. ShortBuffer putShort(int index, short value) { return put(index, value); };
+  final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public java.nio. ShortBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public java.nio. ShortBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
+  final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public java.nio. ShortBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public java.nio. ShortBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
+  final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public java.nio. ShortBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public java.nio. ShortBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
+  final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public java.nio. ShortBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public java.nio. ShortBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
+}
diff --git a/libjava/gnu/java/nio/SocketChannelImpl.java b/libjava/gnu/java/nio/SocketChannelImpl.java
new file mode 100644
index 0000000..b43108b
--- /dev/null
+++ b/libjava/gnu/java/nio/SocketChannelImpl.java
@@ -0,0 +1,234 @@
+/* SocketChannelImpl.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 gnu.java.nio;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.net.SocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.AlreadyConnectedException;
+import java.nio.channels.SocketChannel;
+import java.nio.channels.spi.SelectorProvider;
+import gnu.classpath.Configuration;
+
+public class SocketChannelImpl extends SocketChannel
+{
+  Socket sock_object;
+  int fd;
+  int local_port;
+  boolean blocking = true;
+  boolean connected = false;
+  InetSocketAddress sa;
+
+/*    
+  static native int SocketCreate();
+  static native int SocketConnect(int fd, InetAddress a, int port);
+  static native int SocketBind(int fd, InetAddress host, int port);
+  static native int SocketListen(int fd, int backlog);
+  static native int SocketAvailable(int fd);
+  static native int SocketClose(int fd);
+  static native int SocketRead(int fd, byte b[], int off, int len);
+  static native int SocketWrite(int fd, byte b[], int off, int len);
+*/
+
+  static int SocketCreate() { return 0; };
+  static int SocketConnect(int fd, InetAddress a, int port) { return 0; };
+  static int SocketBind(int fd, InetAddress host, int port) { return 0; };
+  static int SocketListen(int fd, int backlog) { return 0; };
+  static int SocketAvailable(int fd) { return 0; };
+  static int SocketClose(int fd) { return 0; };
+  static int SocketRead(int fd, byte b[], int off, int len) { return 0; };
+  static int SocketWrite(int fd, byte b[], int off, int len) { return 0; };
+
+  public SocketChannelImpl(SelectorProvider provider)		      
+  {
+    super(provider);
+    fd = SocketCreate();
+	
+    if (fd == -1)
+	    {
+        System.err.println("failed to create socket:"+fd);
+	    }
+  }
+    
+  public void finalizer()
+  {
+    if (connected)
+	    {
+        try
+          {
+            close();
+          }
+        catch (Exception e)
+          {
+          }
+	    }
+  }
+
+  protected void implCloseSelectableChannel()
+  {
+    connected = false;
+    SocketClose(fd);
+    fd = SocketCreate();
+  }
+
+  protected void implConfigureBlocking(boolean  block)
+  {
+    if (blocking == block)
+	    return;
+  }   
+
+  public boolean connect(SocketAddress remote)
+    throws IOException
+  {
+    if (connected)
+	    {
+        throw new AlreadyConnectedException();
+	    }
+
+    // ok, lets connect !
+	
+    sa = (InetSocketAddress) remote;
+	
+    InetAddress addr = sa.getAddress();
+    int port = sa.getPort();
+    int err = SocketConnect(fd, addr, port);
+	
+    if (err < 0) 
+	    {
+        throw new IOException("Connection refused:"+err + ", connect="+err);
+	    }
+
+    local_port = err;
+    connected = true;
+    return blocking;
+  }
+    
+  public boolean finishConnect()
+  {
+    return false;
+  }
+
+  public boolean isConnected()
+  {
+    return connected;
+  }
+    
+  public boolean isConnectionPending()
+  {
+    if (blocking)
+	    return true;
+
+    return false;
+  }
+    
+  public Socket socket()
+  {
+    if (sock_object != null)
+	    {
+        //sock_object.ch = this;
+	    }
+
+    return sock_object;
+  }
+
+  public int read(ByteBuffer dst)
+  {
+    int bytes = 0;
+    int len = 1024;
+    byte[]b = new byte[len];
+	
+    bytes = SocketRead(fd, b, 0, len);
+    dst.put(b, 0, bytes);
+
+    if (bytes == 0)
+	    {
+        // we've hit eof ?
+        return -1;
+	    }
+
+    return bytes;
+  }
+    
+  public long read(ByteBuffer[] dsts, int offset, int length)
+  {
+    long bytes = 0;
+
+    for (int i=offset; i<length; i++)
+	    {
+        bytes += read(dsts[i]);
+	    }
+
+    return bytes;
+  }
+     
+  public int write(ByteBuffer src)
+  {
+    int bytes = 0;
+    int len = src.position();
+
+    if (src instanceof ByteBufferImpl)
+	    {
+        ByteBufferImpl bi = (ByteBufferImpl) src;
+        byte[]b = bi.array();
+        bytes = SocketWrite(fd, b, 0, len);
+	    }
+    else
+	    {
+        byte[]b = new byte[len];
+        src.get(b, 0, len);
+        bytes = SocketWrite(fd, b, 0, len);
+	    }
+		
+	  return bytes;
+  }
+
+  public long write (ByteBuffer[] srcs, int offset, int length)
+  {
+    long bytes = 0;
+
+    for (int i=offset; i<length; i++)
+	    {
+        bytes += write(srcs[i]);
+	    }
+
+    return bytes;
+  }
+}