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   1 /**
   2  * Copyright (c) 2010-2023 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.cbus.handler;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.openhab.binding.cbus.CBusBindingConstants;
  17 import org.openhab.core.library.types.DecimalType;
  18 import org.openhab.core.thing.Channel;
  19 import org.openhab.core.thing.ChannelUID;
  20 import org.openhab.core.thing.Thing;
  21 import org.openhab.core.thing.ThingStatus;
  22 import org.openhab.core.thing.ThingStatusDetail;
  23 import org.openhab.core.types.Command;
  24 import org.openhab.core.types.RefreshType;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import com.daveoxley.cbus.CGateException;
  29 import com.daveoxley.cbus.Group;
  30
  31 /**
  32  * The {@link CBusTriggerHandler} is responsible for handling commands, which are
  33  * sent to one of the channels.
  34  *
  35  * @author Scott Linton - Initial contribution
  36  */
  37 @NonNullByDefault
  38 public class CBusTriggerHandler extends CBusGroupHandler {
  39
  40     private final Logger logger = LoggerFactory.getLogger(CBusTriggerHandler.class);
  41
  42     public CBusTriggerHandler(Thing thing) {
  43         super(thing, CBusBindingConstants.CBUS_APPLICATION_TRIGGER);
  44     }
  45
  46     @Override
  47     public void handleCommand(ChannelUID channelUID, Command command) {
  48         Group group = this.group;
  49         if (group == null) {
  50             return;
  51         }
  52         if (command instanceof RefreshType) {
  53             /*
  54              * Cgate cant provide the current value for a trigger group
  55              */
  56             logger.debug("Refresh for Trigger group not implemented");
  57         } else {
  58             if (channelUID.getId().equals(CBusBindingConstants.CHANNEL_VALUE)) {
  59                 logger.debug("Channel Value command for {}: {}", channelUID, command);
  60                 try {
  61                     if (command instanceof DecimalType decimalCommand) {
  62                         group.TriggerEvent(decimalCommand.intValue());
  63                     }
  64                 } catch (CGateException e) {
  65                     logger.debug("Failed to send trigger command {} to {}", command, group, e);
  66                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "Communication Error");
  67                 }
  68             }
  69         }
  70     }
  71
  72     @Override
  73     public void updateGroup(int updateApplicationId, int updateGroupId, String value) {
  74         if (updateGroupId == groupId && updateApplicationId == applicationId) {
  75             Thing thing = getThing();
  76             Channel channel = thing.getChannel(CBusBindingConstants.CHANNEL_VALUE);
  77             if (channel != null) {
  78                 ChannelUID channelUID = channel.getUID();
  79                 DecimalType val = new DecimalType(value);
  80                 updateState(channelUID, val);
  81                 logger.trace("Updating CBus Trigger Group {} with value {}", thing.getUID(), value);
  82             }
  83         }
  84     }
  85 }