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/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community OR
* CONTRIBUTORS 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.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
/*
* Created on Saturday, March 27 2010 11:55
*/
package com.jogamp.common.nio;
import com.jogamp.common.os.*;
import java.nio.ByteBuffer;
/**
* @author Michael Bien
* @author Sven Gothel
*/
public abstract class AbstractBuffer<B extends AbstractBuffer> implements NativeBuffer<B> {
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 B 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 (B)this;
}
public final int remaining() {
return capacity - position;
}
public final boolean hasRemaining() {
return position < capacity;
}
public final B rewind() {
position = 0;
return (B) this;
}
public boolean hasArray() {
return false;
}
public int arrayOffset() {
return 0;
}
public final ByteBuffer getBuffer() {
return bb;
}
public final boolean isDirect() {
return bb.isDirect();
}
@Override
public String toString() {
return "AbstractBuffer[capacity "+capacity+", position "+position+", elementSize "+(bb.capacity()/capacity)+", ByteBuffer.capacity "+bb.capacity()+"]";
}
}
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