git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2020 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.orvibo.internal.handler;
  14
  15 import static org.openhab.binding.orvibo.internal.OrviboBindingConstants.CHANNEL_S20_SWITCH;
  16
  17 import java.net.SocketException;
  18 import java.util.concurrent.ScheduledFuture;
  19 import java.util.concurrent.TimeUnit;
  20
  21 import org.apache.commons.lang.StringUtils;
  22 import org.openhab.core.library.types.OnOffType;
  23 import org.openhab.core.thing.ChannelUID;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.thing.ThingStatus;
  26 import org.openhab.core.thing.binding.BaseThingHandler;
  27 import org.openhab.core.types.Command;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.github.tavalin.s20.S20Client;
  32 import com.github.tavalin.s20.Socket;
  33 import com.github.tavalin.s20.Socket.SocketStateListener;
  34 import com.github.tavalin.s20.entities.Types.PowerState;
  35
  36 /**
  37  * The {@link S20Handler} is responsible for handling commands, which are
  38  * sent to one of the channels.
  39  *
  40  * @author Daniel Walters - Initial contribution
  41  */
  42 public class S20Handler extends BaseThingHandler implements SocketStateListener {
  43
  44     private final Logger logger = LoggerFactory.getLogger(S20Handler.class);
  45     private Socket socket;
  46     private S20Client client;
  47     private ScheduledFuture<?> subscribeHandler;
  48     private long refreshInterval = 15;
  49     private Runnable subscribeTask = () -> {
  50         if (socket != null) {
  51             socket.subscribe();
  52         }
  53     };
  54
  55     public S20Handler(Thing thing) {
  56         super(thing);
  57     }
  58
  59     @Override
  60     public void initialize() {
  61         configure();
  62     }
  63
  64     @Override
  65     public void dispose() {
  66         subscribeHandler.cancel(true);
  67         socket.removeSocketStateListener(this);
  68     }
  69
  70     @Override
  71     public void handleCommand(ChannelUID channelUID, Command command) {
  72         if (channelUID.getId().equals(CHANNEL_S20_SWITCH)) {
  73             try {
  74                 if (command == OnOffType.ON) {
  75                     socket.on();
  76                 } else if (command == OnOffType.OFF) {
  77                     socket.off();
  78                 }
  79             } catch (SocketException e) {
  80                 logger.error("Error issuing command {} to socket {}", command, channelUID.getId());
  81             }
  82         }
  83     }
  84
  85     private void configure() {
  86         try {
  87             client = S20Client.getInstance();
  88             String deviceId = thing.getUID().getId();
  89             socket = client.socketWithDeviceId(deviceId);
  90             socket.addSocketStateListener(this);
  91             socket.findOnNetwork();
  92             subscribeHandler = scheduler.scheduleWithFixedDelay(subscribeTask, 0, refreshInterval, TimeUnit.SECONDS);
  93             updateStatus(ThingStatus.ONLINE);
  94         } catch (SocketException ex) {
  95             logger.error("Error occurred while initializing S20 handler: {}", ex.getMessage(), ex);
  96         }
  97     }
  98
  99     @Override
 100     public void socketDidChangeLabel(Socket socket, String label) {
 101         if (!StringUtils.isBlank(label)) {
 102             logger.debug("Updating thing label to {}", label);
 103             thing.setLabel(label);
 104         }
 105     }
 106
 107     @Override
 108     public void socketDidChangePowerState(Socket socket, PowerState state) {
 109         logger.debug("Received power state: {}", state);
 110         if (socket.getDeviceId().equals(thing.getUID().getId())) {
 111             if (state == PowerState.ON) {
 112                 updateState(CHANNEL_S20_SWITCH, OnOffType.ON);
 113             } else if (state == PowerState.OFF) {
 114                 updateState(CHANNEL_S20_SWITCH, OnOffType.OFF);
 115             }
 116         }
 117     }
 118
 119     @Override
 120     public void socketDidInitialisation(Socket socket) {
 121         if (thing.getStatus() != ThingStatus.ONLINE) {
 122             updateStatus(ThingStatus.ONLINE);
 123         }
 124     }
 125 }