/**
* Copyright (c) 2010-2014, openHAB.org and others.
*
* 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.xpl.internal;
import java.util.List;
import org.cdp1802.xpl.xPL_MessageI;
import org.cdp1802.xpl.xPL_MessageListenerI;
import org.openhab.binding.xpl.XplBindingConfig;
import org.openhab.binding.xpl.XplBindingProvider;
import org.openhab.core.binding.AbstractBinding;
import org.openhab.core.events.EventPublisher;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.items.StringItem;
import org.openhab.core.library.items.SwitchItem;
import org.openhab.core.library.types.DecimalType;
import org.openhab.core.library.types.OnOffType;
import org.openhab.core.library.types.StringType;
import org.openhab.core.types.Command;
import org.openhab.io.transport.xpl.XplTransportService;
/**
* xPL binding for openHAB
*
* @author clinique
* @since 1.6.0
*/
public class XplBinding extends AbstractBinding<XplBindingProvider> implements xPL_MessageListenerI {
//private static final Logger logger = LoggerFactory.getLogger(XplBinding.class);
private XplTransportService xplTransportService;
private EventPublisher eventPublisher;
public XplBinding() {
}
public void setEventPublisher(EventPublisher eventPublisher) {
this.eventPublisher = eventPublisher;
}
public void unsetEventPublisher(EventPublisher eventPublisher) {
this.eventPublisher = null;
}
/**
* Sends an xPL message upon command received by an Item
*/
@Override
protected void internalReceiveCommand(String itemName, Command command) {
for (XplBindingProvider provider : providers) {
XplBindingConfig config = provider.getConfig(itemName);
if ((config == null) || (config.NamedParameter == null)) continue;
if (config.Message.getSource() == null)
config.Message.setSource(xplTransportService.getSourceIdentifier());
config.Message.setNamedValue(config.NamedParameter, command.toString().toLowerCase());
xplTransportService.sendMessage(config.Message);
}
}
@Override
public void handleXPLMessage(xPL_MessageI theMessage) {
for (XplBindingProvider provider : providers) {
List<String> matchingItems = provider.hasMessage(theMessage);
for (String itemName : matchingItems) {
XplBindingConfig config = provider.getConfig(itemName);
if (config == null) continue;
String current = theMessage.getNamedValue(config.NamedParameter);
Item item = provider.getItem(itemName);
if (item != null) {
if (item instanceof SwitchItem) {
OnOffType status = ( current.equalsIgnoreCase("on") || current.equalsIgnoreCase("true") ||
current.equalsIgnoreCase("1") || current.equalsIgnoreCase("open") ||
current.equalsIgnoreCase("high")) ? OnOffType.ON : OnOffType.OFF;
synchronized (item) {
if (!item.getState().equals(status)) {
eventPublisher.postUpdate(itemName, status);
((SwitchItem) item).setState(status);
}
}
} else
if (item instanceof NumberItem) {
DecimalType value = new DecimalType(current);
synchronized (item) {
if (!item.getState().equals(value)) {
eventPublisher.postUpdate(itemName, value);
((NumberItem) item).setState(value);
}
}
}
if (item instanceof StringItem) {
StringType value = new StringType(current);
synchronized (item) {
if (!item.getState().equals(value)) {
eventPublisher.postUpdate(itemName, value);
((StringItem) item).setState(value);
}
}
}
}
}
}
}
/**
* Setter for Declarative Services. Adds the XplTransportService instance.
*
* @param xplTransportService
* Service.
*/
public void setXplTransportService(XplTransportService xplTransportService) {
this.xplTransportService = xplTransportService;
this.xplTransportService.addMessageListener(this);
}
/**
* Unsetter for Declarative Services.
*
* @param xplTransportService
* Service to remove.
*/
public void unsetXplTransportService(XplTransportService xplTransportService) {
this.xplTransportService.removeMessageListener(this);
this.xplTransportService = null;
}
}