Merged with latest of mbien

1 files changed, 114 insertions, 0 deletions

diff --git a/src/java/com/jogamp/common/nio/AbstractBuffer.java b/src/java/com/jogamp/common/nio/AbstractBuffer.java
new file mode 100644
index 0000000..d76574b
--- /dev/null
+++ b/src/java/com/jogamp/common/nio/AbstractBuffer.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2010, Sven Gothel
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Sven Gothel nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Sven Gothel BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Created on Saturday, March 27 2010 11:55
+ */
+package com.jogamp.common.nio;
+
+import com.jogamp.common.os.*;
+
+import java.nio.ByteBuffer;
+import java.nio.Buffer;
+import java.util.HashMap;
+
+/**
+ * @author Michael Bien
+ * @author Sven Gothel
+ */
+public abstract class AbstractBuffer implements NativeBuffer {
+
+    protected final ByteBuffer bb;
+    protected int capacity;
+    protected int position;
+
+    static {
+        NativeLibrary.ensureNativeLibLoaded();
+    }
+
+    protected AbstractBuffer(ByteBuffer bb, int elementSize) {
+        this.bb = bb;
+
+        capacity = bb.capacity() / elementSize;
+        position = 0;
+    }
+
+    public final int limit() {
+        return capacity;
+    }
+
+    public final int capacity() {
+        return capacity;
+    }
+
+    public final int position() {
+        return position;
+    }
+
+    public final NativeBuffer position(int newPos) {
+        if (0 > newPos || newPos >= capacity) {
+            throw new IndexOutOfBoundsException("Sorry to interrupt, but the position "+newPos+" was out of bounds. " +
+                                                "My capacity is "+capacity()+".");
+        }
+        position = newPos;
+        return this;
+    }
+
+    public final int remaining() {
+        return capacity - position;
+    }
+
+    public final boolean hasRemaining() {
+        return position < capacity;
+    }
+
+    public final NativeBuffer rewind() {
+        position = 0;
+        return this;
+    }
+
+    public boolean hasArray() {
+        return false;
+    }
+
+    public int arrayOffset() {
+        return 0;
+    }
+
+    public final ByteBuffer getBuffer() {
+        return bb;
+    }
+
+    public final boolean isDirect() {
+        return bb.isDirect();
+    }
+
+    public String toString() {
+        return "AbstractBuffer[capacity "+capacity+", position "+position+", elementSize "+(bb.capacity()/capacity)+", ByteBuffer.capacity "+bb.capacity()+"]";
+    }
+
+}