/**
* Copyright (c) 2010-2016 by the respective copyright holders.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.binding.homematic.internal.communicator;
import java.util.HashMap;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;
import org.openhab.binding.homematic.internal.common.HomematicContext;
import org.openhab.binding.homematic.internal.communicator.client.HomematicClientException;
import org.openhab.binding.homematic.internal.communicator.client.interfaces.HomematicClient;
import org.openhab.binding.homematic.internal.model.HmDatapoint;
import org.openhab.core.binding.BindingConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Publishes events to a Homematic server.
*
* @author Gerhard Riegler
* @since 1.7.0
*/
public class HomematicPublisher {
private static final Logger logger = LoggerFactory.getLogger(HomematicPublisher.class);
private HomematicContext context = HomematicContext.getInstance();
private Map<BindingConfig, Timer> delayedEvents = new HashMap<BindingConfig, Timer>();
/**
* Sends or delays a event to a Homematic server.
*/
public void execute(final Event event) throws HomematicClientException {
double delay = event.getDelay();
if (delay > 0.0) {
synchronized (this) {
logger.debug("Delaying event for {} seconds: {}", delay, event.getHmValueItem());
Timer timer = delayedEvents.get(event.getBindingConfig());
if (timer != null) {
timer.cancel();
}
timer = new Timer();
delayedEvents.put(event.getBindingConfig(), timer);
timer.schedule(new TimerTask() {
@Override
public void run() {
try {
delayedEvents.remove(event.getBindingConfig());
sendToClient(event);
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
}
}
}, (long) (delay * 1000));
}
} else {
sendToClient(event);
}
}
/**
* Sends the event to a Homematic server.
*/
private void sendToClient(Event event) throws HomematicClientException {
logger.debug("Sending to Homematic server {}", event.getHmValueItem());
HomematicClient client = context.getHomematicClient();
if (event.isVariable()) {
client.setVariable(event.getHmValueItem(), event.getNewValue());
} else {
client.setDatapointValue((HmDatapoint) event.getHmValueItem(), event.getHmValueItem().getName(),
event.getNewValue());
}
event.getHmValueItem().setValue(event.getNewValue());
}
}