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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2004 Jive Software. All rights reserved.
*
* This software is published under the terms of the GNU Public License (GPL),
* a copy of which is included in this distribution.
*/
package org.jivesoftware.net.spi;
import org.jivesoftware.net.DataConsumer;
import org.jivesoftware.net.DataProducer;
import org.jivesoftware.net.Monitor;
import java.nio.ByteBuffer;
import java.util.Date;
import org.jivesoftware.net.DataConsumer;
import org.jivesoftware.net.DataProducer;
/**
* <p>A basic implementation of the data consumer .</p>
*
* @author Iain Shigeoka
*/
public class BasicDataConsumer implements DataConsumer {
protected DataProducer source;
protected DataConsumer sink;
protected Monitor monitor;
BasicDataConsumer(DataProducer source, DataConsumer sink, Monitor monitor){
this.source = source;
this.sink = sink;
this.monitor = monitor;
}
BasicDataConsumer(Monitor monitor){
this.monitor = monitor;
}
BasicDataConsumer(){
}
public void setSource(DataProducer source) {
this.source = source;
}
public void setSink(DataConsumer sink) {
this.sink = sink;
}
public void consumeAll() {
if (source != null){
ByteBuffer data = source.produce(0);
while (data != null){
consume(data);
data = source.produce(0);
}
}
}
public void consume(ByteBuffer data) {
Date start = new Date();
int size = data.remaining();
preConsume(data);
if (data.hasRemaining()){
doConsume(data);
}
if (data.hasRemaining()){
postConsume(data);
}
if (monitor != null){
monitor.addSample(size,start,new Date());
}
if (sink != null && data.hasRemaining()){
sink.consume(data);
}
}
protected void preConsume(ByteBuffer data){
}
protected void doConsume(ByteBuffer data){
}
protected void postConsume(ByteBuffer data){
}
}