ByteBufferImpl.java, [...]: New files.

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

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

From-SVN: r59216

libjava/java/nio/IntBuffer.java

@@ -0,0 +1,225 @@
+/* IntBuffer.java -- 
+   Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.nio;
+
+import gnu.java.nio.IntBufferImpl;
+
+public abstract class IntBuffer extends Buffer
+{
+  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+  protected int [] backing_buffer;
+
+  public static IntBuffer allocateDirect(int capacity)
+  {
+    return new IntBufferImpl (capacity, 0, capacity);
+  }
+
+  public static IntBuffer allocate(int capacity)
+  {
+    return new IntBufferImpl (capacity, 0, capacity);
+  }
+
+  final public static IntBuffer wrap(int[] array, int offset, int length)
+  {
+    return new IntBufferImpl(array, offset, length);
+  }
+
+  final public static IntBuffer wrap(String a)
+  {
+    int len = a.length();
+    int[] buffer = new int[len];
+
+    for (int i=0;i<len;i++)
+      {
+        buffer[i] = (int) a.charAt(i);
+      }
+
+    return wrap(buffer, 0, len);
+  }
+
+  final public static IntBuffer wrap(int[] array)
+  {
+    return wrap(array, 0, array.length);
+  }
+
+  final public IntBuffer get(int[] dst, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      {
+        dst[i] = get();
+      }
+
+    return this;
+  }
+
+  final public IntBuffer get(int[] dst)
+  {
+    return get(dst, 0, dst.length);
+  }
+
+  final public IntBuffer put(IntBuffer src)
+  {
+    while (src.hasRemaining())
+      put(src.get());
+
+    return this;
+  }
+
+  final public IntBuffer put(int[] src, int offset, int length)
+  {
+    for (int i = offset; i < offset + length; i++)
+      put(src[i]);
+
+    return this;
+  }
+
+  public final IntBuffer put(int[] src)
+  {
+    return put(src, 0, src.length);
+  }
+
+  public final boolean hasArray()
+  {
+    return (backing_buffer != null);
+  }
+
+  public final int[] array()
+  {
+    return backing_buffer;
+  }
+
+  public final int arrayOffset()
+  {
+    return 0;
+  }
+
+  public int hashCode()
+  {
+    return super.hashCode();
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof IntBuffer)
+      {
+        return compareTo(obj) == 0;
+      }
+
+    return false;
+  }
+
+  public int compareTo(Object ob)
+  {
+    IntBuffer a = (IntBuffer) ob;
+
+    if (a.remaining() != remaining())
+      return 1;
+
+    if (! hasArray() ||
+        ! a.hasArray())
+      {
+        return 1;
+      }
+
+    int r = remaining();
+    int i1 = position ();
+    int i2 = a.position ();
+
+    for (int i=0;i<r;i++)
+      {
+        int t = (int) (get(i1)- a.get(i2));
+        if (t != 0)
+          {
+            return (int) t;
+          }
+      }
+
+    return 0;
+  }
+
+  public final ByteOrder order()
+  {
+    return endian;
+  }
+
+  public final IntBuffer order(ByteOrder bo)
+  {
+    endian = bo;
+    return this;
+  }
+
+  public abstract int get();
+  public abstract IntBuffer put(int b);
+  public abstract int get(int index);
+  public abstract IntBuffer put(int index, int b);
+  public abstract IntBuffer compact();
+  public abstract boolean isDirect();
+  public abstract IntBuffer slice();
+  public abstract IntBuffer duplicate();
+  public abstract IntBuffer asReadOnlyBuffer();
+  public abstract ShortBuffer asShortBuffer();
+  public abstract CharBuffer asCharBuffer();
+  public abstract IntBuffer asIntBuffer();
+  public abstract LongBuffer asLongBuffer();
+  public abstract FloatBuffer asFloatBuffer();
+  public abstract DoubleBuffer asDoubleBuffer();
+  public abstract char getChar();
+  public abstract IntBuffer putChar(char value);
+  public abstract char getChar(int index);
+  public abstract IntBuffer putChar(int index, char value);
+  public abstract short getShort();
+  public abstract IntBuffer putShort(short value);
+  public abstract short getShort(int index);
+  public abstract IntBuffer putShort(int index, short value);
+  public abstract int getInt();
+  public abstract IntBuffer putInt(int value);
+  public abstract int getInt(int index);
+  public abstract IntBuffer putInt(int index, int value);
+  public abstract long getLong();
+  public abstract IntBuffer putLong(long value);
+  public abstract long getLong(int index);
+  public abstract IntBuffer putLong(int index, long value);
+  public abstract float getFloat();
+  public abstract IntBuffer putFloat(float value);
+  public abstract float getFloat(int index);
+  public abstract IntBuffer putFloat(int index, float value);
+  public abstract double getDouble();
+  public abstract IntBuffer putDouble(double value);
+  public abstract double getDouble(int index);
+  public abstract IntBuffer putDouble(int index, double value);
+}