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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
/*
* Copyright (c) 2011, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.streamstack;
import com.isode.stroke.base.SafeByteArray;
import com.isode.stroke.network.Timer;
import com.isode.stroke.network.TimerFactory;
import com.isode.stroke.signals.Slot;
public class WhitespacePingLayer extends StreamLayer {
private static final int TIMEOUT_MILLISECONDS = 60000;
public WhitespacePingLayer(TimerFactory timerFactory) {
isActive = false;
timer = timerFactory.createTimer(TIMEOUT_MILLISECONDS);
timer.onTick.connect(new Slot() {
public void call() {
handleTimerTick();
}
});
}
public void writeData(SafeByteArray data) {
writeDataToChildLayer(data);
}
public void handleDataRead(SafeByteArray data) {
writeDataToParentLayer(data);
}
private void handleTimerTick() {
timer.stop();
writeDataToChildLayer(new SafeByteArray(" "));
timer.start();
}
public void setActive() {
isActive = true;
timer.start();
}
public void setInactive() {
timer.stop();
isActive = false;
}
public boolean getIsActive() {
return isActive;
}
private boolean isActive;
private Timer timer;
}
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