1 files changed, 29 insertions, 50 deletions

diff --git a/libjava/java/nio/LongBuffer.java b/libjava/java/nio/LongBuffer.java
index 5bca6d53b70..8b737194d0c 100644
--- a/libjava/java/nio/LongBuffer.java
+++ b/libjava/java/nio/LongBuffer.java
@@ -39,14 +39,14 @@ package java.nio;
 
 import gnu.java.nio.LongBufferImpl;
 
-public abstract class LongBuffer extends Buffer
+public abstract class LongBuffer extends Buffer implements Comparable
 {
-  private ByteOrder endian = ByteOrder.BIG_ENDIAN;
   protected long [] backing_buffer;
+  protected int array_offset;
 
   public static LongBuffer allocateDirect(int capacity)
   {
-    return new LongBufferImpl(capacity, 0, capacity);
+    throw new Error ("direct buffers not implemented");
   }
 
   public static LongBuffer allocate(int capacity)
@@ -77,7 +77,13 @@ public abstract class LongBuffer extends Buffer
     return wrap(array, 0, array.length);
   }
 
-  final public LongBuffer get(long[] dst, int offset, int length)
+  LongBuffer (int capacity, int limit, int position, int mark)
+  {
+    super (capacity, limit, position, mark);
+    array_offset = 0;
+  }
+  
+  public LongBuffer get (long[] dst, int offset, int length)
   {
     for (int i = offset; i < offset + length; i++)
       {
@@ -87,12 +93,12 @@ public abstract class LongBuffer extends Buffer
     return this;
   }
 
-  final public LongBuffer get(long[] dst)
+  public LongBuffer get (long[] dst)
   {
     return get(dst, 0, dst.length);
   }
 
-  final public LongBuffer put(LongBuffer src)
+  public LongBuffer put (LongBuffer src)
   {
     while (src.hasRemaining())
       put(src.get());
@@ -100,7 +106,7 @@ public abstract class LongBuffer extends Buffer
     return this;
   }
 
-  final public LongBuffer put(long[] src, int offset, int length)
+  public LongBuffer put (long[] src, int offset, int length)
   {
     for (int i = offset; i < offset + length; i++)
       put(src[i]);
@@ -115,17 +121,30 @@ public abstract class LongBuffer extends Buffer
 
   public final boolean hasArray()
   {
-    return (backing_buffer != null);
+    return (backing_buffer != null
+            && !isReadOnly ());
   }
 
   public final long[] array()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return backing_buffer;
   }
 
   public final int arrayOffset()
   {
-    return 0;
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
+    return array_offset;
   }
 
   public int hashCode()
@@ -173,17 +192,7 @@ public abstract class LongBuffer extends Buffer
     return 0;
   }
 
-  public final ByteOrder order()
-  {
-    return endian;
-  }
-
-  public final LongBuffer order(ByteOrder bo)
-  {
-    endian = bo;
-    return this;
-  }
-
+  public abstract ByteOrder order();
   public abstract long get();
   public abstract java.nio. LongBuffer put(long b);
   public abstract long get(int index);
@@ -193,34 +202,4 @@ public abstract class LongBuffer extends Buffer
   public abstract LongBuffer slice();
   public abstract LongBuffer duplicate();
   public abstract LongBuffer asReadOnlyBuffer();
-  public abstract ShortBuffer asShortBuffer();
-  public abstract CharBuffer asCharBuffer();
-  public abstract IntBuffer asIntBuffer();
-  public abstract LongBuffer asLongBuffer();
-  public abstract FloatBuffer asFloatBuffer();
-  public abstract DoubleBuffer asDoubleBuffer();
-  public abstract char getChar();
-  public abstract LongBuffer putChar(char value);
-  public abstract char getChar(int index);
-  public abstract LongBuffer putChar(int index, char value);
-  public abstract short getShort();
-  public abstract LongBuffer putShort(short value);
-  public abstract short getShort(int index);
-  public abstract LongBuffer putShort(int index, short value);
-  public abstract int getInt();
-  public abstract LongBuffer putInt(int value);
-  public abstract int getInt(int index);
-  public abstract LongBuffer putInt(int index, int value);
-  public abstract long getLong();
-  public abstract LongBuffer putLong(long value);
-  public abstract long getLong(int index);
-  public abstract LongBuffer putLong(int index, long value);
-  public abstract float getFloat();
-  public abstract LongBuffer putFloat(float value);
-  public abstract float getFloat(int index);
-  public abstract LongBuffer putFloat(int index, float value);
-  public abstract double getDouble();
-  public abstract LongBuffer putDouble(double value);
-  public abstract double getDouble(int index);
-  public abstract LongBuffer putDouble(int index, double value);
 }