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-rw-r--r--libjava/java/nio/IntBuffer.java79
1 files changed, 29 insertions, 50 deletions
diff --git a/libjava/java/nio/IntBuffer.java b/libjava/java/nio/IntBuffer.java
index d2d28d36b10..18e353b2013 100644
--- a/libjava/java/nio/IntBuffer.java
+++ b/libjava/java/nio/IntBuffer.java
@@ -39,14 +39,14 @@ package java.nio;
import gnu.java.nio.IntBufferImpl;
-public abstract class IntBuffer extends Buffer
+public abstract class IntBuffer extends Buffer implements Comparable
{
- private ByteOrder endian = ByteOrder.BIG_ENDIAN;
protected int [] backing_buffer;
+ protected int array_offset;
public static IntBuffer allocateDirect(int capacity)
{
- return new IntBufferImpl (capacity, 0, capacity);
+ throw new Error ("direct buffers not implemented");
}
public static IntBuffer allocate(int capacity)
@@ -77,7 +77,13 @@ public abstract class IntBuffer extends Buffer
return wrap(array, 0, array.length);
}
- final public IntBuffer get(int[] dst, int offset, int length)
+ IntBuffer (int capacity, int limit, int position, int mark)
+ {
+ super (capacity, limit, position, mark);
+ array_offset = 0;
+ }
+
+ public IntBuffer get(int[] dst, int offset, int length)
{
for (int i = offset; i < offset + length; i++)
{
@@ -87,12 +93,12 @@ public abstract class IntBuffer extends Buffer
return this;
}
- final public IntBuffer get(int[] dst)
+ public IntBuffer get (int[] dst)
{
return get(dst, 0, dst.length);
}
- final public IntBuffer put(IntBuffer src)
+ public IntBuffer put (IntBuffer src)
{
while (src.hasRemaining())
put(src.get());
@@ -100,7 +106,7 @@ public abstract class IntBuffer extends Buffer
return this;
}
- final public IntBuffer put(int[] src, int offset, int length)
+ public IntBuffer put (int[] src, int offset, int length)
{
for (int i = offset; i < offset + length; i++)
put(src[i]);
@@ -115,17 +121,30 @@ public abstract class IntBuffer extends Buffer
public final boolean hasArray()
{
- return (backing_buffer != null);
+ return (backing_buffer != null
+ && !isReadOnly ());
}
public final int[] 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()
@@ -172,17 +191,7 @@ public abstract class IntBuffer extends Buffer
return 0;
}
- public final ByteOrder order()
- {
- return endian;
- }
-
- public final IntBuffer order(ByteOrder bo)
- {
- endian = bo;
- return this;
- }
-
+ public abstract ByteOrder order();
public abstract int get();
public abstract IntBuffer put(int b);
public abstract int get(int index);
@@ -192,34 +201,4 @@ public abstract class IntBuffer extends Buffer
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);
}