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   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.lutron.internal.handler;
  14
  15 import static org.openhab.binding.lutron.internal.LutronBindingConstants.CHANNEL_SWITCH;
  16
  17 import java.math.BigDecimal;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.openhab.binding.lutron.internal.protocol.LutronCommandType;
  21 import org.openhab.core.library.types.OnOffType;
  22 import org.openhab.core.thing.Bridge;
  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.ThingStatusDetail;
  27 import org.openhab.core.types.Command;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * Handler responsible for communicating with a switch.
  33  *
  34  * @author Allan Tong - Initial contribution
  35  * @author Bob Adair - Added initDeviceState method
  36  */
  37 @NonNullByDefault
  38 public class SwitchHandler extends LutronHandler {
  39     private static final Integer ACTION_ZONELEVEL = 1;
  40
  41     private final Logger logger = LoggerFactory.getLogger(SwitchHandler.class);
  42
  43     private int integrationId;
  44
  45     public SwitchHandler(Thing thing) {
  46         super(thing);
  47     }
  48
  49     @Override
  50     public void initialize() {
  51         Number id = (Number) getThing().getConfiguration().get("integrationId");
  52         if (id == null) {
  53             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "No integrationId");
  54             return;
  55         }
  56         integrationId = id.intValue();
  57         logger.debug("Initializing Switch handler for integration ID {}", id);
  58
  59         initDeviceState();
  60     }
  61
  62     @Override
  63     protected void initDeviceState() {
  64         logger.debug("Initializing device state for Switch {}", getIntegrationId());
  65         Bridge bridge = getBridge();
  66         if (bridge == null) {
  67             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "No bridge configured");
  68         } else if (bridge.getStatus() == ThingStatus.ONLINE) {
  69             updateStatus(ThingStatus.UNKNOWN, ThingStatusDetail.NONE, "Awaiting initial response");
  70             queryOutput(ACTION_ZONELEVEL); // handleUpdate() will set thing status to online when response arrives
  71         } else {
  72             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
  73         }
  74     }
  75
  76     @Override
  77     public void handleCommand(ChannelUID channelUID, Command command) {
  78         if (channelUID.getId().equals(CHANNEL_SWITCH)) {
  79             if (command.equals(OnOffType.ON)) {
  80                 output(ACTION_ZONELEVEL, 100);
  81             } else if (command.equals(OnOffType.OFF)) {
  82                 output(ACTION_ZONELEVEL, 0);
  83             }
  84         }
  85     }
  86
  87     @Override
  88     public int getIntegrationId() {
  89         return this.integrationId;
  90     }
  91
  92     @Override
  93     public void handleUpdate(LutronCommandType type, String... parameters) {
  94         if (type == LutronCommandType.OUTPUT && parameters.length > 1
  95                 && ACTION_ZONELEVEL.toString().equals(parameters[0])) {
  96             BigDecimal level = new BigDecimal(parameters[1]);
  97             if (getThing().getStatus() == ThingStatus.UNKNOWN) {
  98                 updateStatus(ThingStatus.ONLINE);
  99             }
 100             postCommand(CHANNEL_SWITCH, level.compareTo(BigDecimal.ZERO) == 0 ? OnOffType.OFF : OnOffType.ON);
 101         }
 102     }
 103
 104     @Override
 105     public void channelLinked(ChannelUID channelUID) {
 106         if (channelUID.getId().equals(CHANNEL_SWITCH)) {
 107             // Refresh state when new item is linked.
 108             queryOutput(ACTION_ZONELEVEL);
 109         }
 110     }
 111 }