1 files changed, 22 insertions, 6 deletions
diff --git a/src/java/com/jogamp/common/nio/NativeBuffer.java b/src/java/com/jogamp/common/nio/NativeBuffer.java
index ad6bb39..666907f 100644
--- a/src/java/com/jogamp/common/nio/NativeBuffer.java
+++ b/src/java/com/jogamp/common/nio/NativeBuffer.java
@@ -31,16 +31,19 @@
  */
 package com.jogamp.common.nio;
 
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 
 /**
  * Hardware independent container for various kinds of buffers.
  *
- * @author Michael Bien
  * @author Sven Gothel
+ * @author Michael Bien
  */
 public interface NativeBuffer<B extends NativeBuffer> {
 
+    public int elementSize();
+    
     public int limit();
 
     public int capacity();
@@ -53,16 +56,30 @@ public interface NativeBuffer<B extends NativeBuffer> {
 
     public boolean hasRemaining();
 
+    /**
+     * @return true if this buffer has a primitive backup array, otherwise false
+     */
     public boolean hasArray();
 
+    /**
+     * @return the array offset of the optional primitive backup array of the buffer if {@link #hasArray()} is true,
+     *         otherwise 0.
+     */
     public int arrayOffset();
-
-    public ByteBuffer getBuffer();
+    
+    /**  
+     * @return the primitive backup array of the buffer if {@link #hasArray()} is true,
+     *         otherwise it throws {@link java.lang.UnsupportedOperationException}.
+     *         The returned primitive array maybe of type <code>int[]</code> or <code>long[]</code>, etc ..
+     * @throws UnsupportedOperationException if this object has no backup array
+     * @see #hasArray()
+     */
+    public Object array() throws UnsupportedOperationException ;
+
+    public Buffer getBuffer();
 
     public boolean isDirect();
 
-    public long[] array();
-
     public B rewind();
 
     public B put(int index, long value);
@@ -74,5 +91,4 @@ public interface NativeBuffer<B extends NativeBuffer> {
     public long get();
 
     public long get(int idx);
-
 }