/usr/share/gluegen2/src/java/com/jogamp/common/nio/AbstractBuffer.java is in libgluegen2-build-java 2.0-rc3-6.
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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.Buffer;
/**
* @author Sven Gothel
* @author Michael Bien
*/
public abstract class AbstractBuffer<B extends AbstractBuffer> implements NativeBuffer<B> {
protected final int elementSize;
protected final Buffer buffer;
protected int capacity;
protected int position;
static {
Platform.initSingleton(); // loads native gluegen-rt library
}
/**
* @param buffer expected in target format
* @param elementSize the target element size in bytes
*/
protected AbstractBuffer(Buffer buffer, int elementSize) {
this.elementSize = elementSize;
this.buffer = buffer;
capacity = buffer.capacity() /* / elementSize */;
position = 0;
}
public final int elementSize() {
return elementSize;
}
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 final Buffer getBuffer() {
return buffer;
}
public final boolean isDirect() {
return buffer.isDirect();
}
public final boolean hasArray() {
return buffer.hasArray();
}
public final int arrayOffset() {
if(hasArray()) {
return buffer.arrayOffset();
} else {
return 0;
}
}
public Object array() throws UnsupportedOperationException {
return buffer.array();
}
@Override
public String toString() {
return "AbstractBuffer[direct "+isDirect()+", hasArray "+hasArray()+", capacity "+capacity+", position "+position+", elementSize "+elementSize+", buffer[capacity "+buffer.capacity()+", lim "+buffer.limit()+", pos "+buffer.position()+"]]";
}
}
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