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/*
* 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()+"]";
}
}
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