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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.mihome.internal.handler;
  14
  15 import static org.openhab.binding.mihome.internal.XiaomiGatewayBindingConstants.*;
  16
  17 import java.util.HashMap;
  18 import java.util.Map;
  19
  20 import org.openhab.core.library.types.OnOffType;
  21 import org.openhab.core.library.types.StringType;
  22 import org.openhab.core.thing.Thing;
  23
  24 import com.google.gson.JsonObject;
  25
  26 /**
  27  * Abstract base class for Xiaomi sensor devices, which provide an alarm status message
  28  *
  29  * @author Dieter Schmidt - Initial contribution
  30  */
  31 public abstract class XiaomiSensorBaseAlarmHandler extends XiaomiSensorBaseHandler {
  32
  33     private static final Map<Integer, String> ALARM_STATUS_MAP = new HashMap<>();
  34     private static final String ALARM = "alarm";
  35     private static final String UNKNOWN = "unknown";
  36
  37     public XiaomiSensorBaseAlarmHandler(Thing thing) {
  38         super(thing);
  39     }
  40
  41     @Override
  42     void parseReport(JsonObject data) {
  43         if (data.has(ALARM)) {
  44             int alarm = data.get(ALARM).getAsInt();
  45             // alarm channel only receives the "real alarm"
  46             if (alarm == 1) {
  47                 updateState(CHANNEL_ALARM, OnOffType.ON);
  48             } else {
  49                 updateState(CHANNEL_ALARM, OnOffType.OFF);
  50             }
  51             // status shows faults
  52             String status = ALARM_STATUS_MAP.get(alarm);
  53             if (status != null) {
  54                 updateState(CHANNEL_STATUS, StringType.valueOf(status));
  55             } else {
  56                 updateState(CHANNEL_STATUS, StringType.valueOf(UNKNOWN));
  57             }
  58         }
  59     }
  60 }