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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
  14 package org.openhab.binding.touchwand.internal.dto;
  15
  16 import java.lang.reflect.Type;
  17 import java.util.Map.Entry;
  18
  19 import org.openhab.binding.touchwand.internal.dto.TouchWandAlarmSensorCurrentStatus.Alarm;
  20 import org.openhab.binding.touchwand.internal.dto.TouchWandAlarmSensorCurrentStatus.BinarySensor;
  21
  22 import com.google.gson.Gson;
  23 import com.google.gson.GsonBuilder;
  24 import com.google.gson.JsonDeserializationContext;
  25 import com.google.gson.JsonDeserializer;
  26 import com.google.gson.JsonElement;
  27 import com.google.gson.JsonObject;
  28 import com.google.gson.JsonParseException;
  29
  30 /**
  31  * The {@link AlarmSensorUnitDataDeserializer} implements AlarmSensorUnitData unit
  32  * Json De-serializer.
  33  *
  34  * @author Roie Geron - Initial contribution
  35  */
  36 public class AlarmSensorUnitDataDeserializer implements JsonDeserializer<TouchWandUnitDataAlarmSensor> {
  37
  38     static final Gson gson = new Gson();
  39     static GsonBuilder builder = new GsonBuilder();
  40
  41     @Override
  42     public TouchWandUnitDataAlarmSensor deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
  43             throws JsonParseException {
  44
  45         TouchWandUnitDataAlarmSensor touchWandUnitDataAlarmSensor = new TouchWandUnitDataAlarmSensor();
  46
  47         JsonObject jsonObject = json.getAsJsonObject();
  48         touchWandUnitDataAlarmSensor.setId(jsonObject.get("id").getAsInt());
  49         touchWandUnitDataAlarmSensor.setName(jsonObject.get("name").getAsString());
  50         touchWandUnitDataAlarmSensor.setConnectivity(jsonObject.get("connectivity").getAsString());
  51         touchWandUnitDataAlarmSensor.setType(jsonObject.get("type").getAsString());
  52         touchWandUnitDataAlarmSensor.setHasBattery(jsonObject.get("hasBattery").getAsBoolean());
  53         JsonElement powerMeterElement = jsonObject.get("hasPowerMeter");
  54         if (powerMeterElement != null && !powerMeterElement.isJsonNull()) {
  55             touchWandUnitDataAlarmSensor.setHasPowerMeter(powerMeterElement.getAsBoolean());
  56         } else {
  57             touchWandUnitDataAlarmSensor.setHasPowerMeter(false);
  58         }
  59
  60         JsonElement status = jsonObject.get("status");
  61         if (status != null && !status.isJsonNull()) { // Sometimes status is null
  62             touchWandUnitDataAlarmSensor.setStatus(jsonObject.get("status").getAsString());
  63         }
  64
  65         JsonObject currentStatusObj = builder.create().fromJson(jsonObject.get("currStatus").getAsJsonObject(),
  66                 JsonObject.class);
  67
  68         if (currentStatusObj != null) {
  69
  70             TouchWandAlarmSensorCurrentStatus touchWandUnitDataAlarmSensorCurrentStatus = touchWandUnitDataAlarmSensor
  71                     .getCurrStatus();
  72
  73             for (Entry<String, JsonElement> entry : currentStatusObj.entrySet()) {
  74                 String key = entry.getKey();
  75                 String splits[] = key.split("_"); // the key is xxxx_n where xxx is sensor type and n is
  76                 String keyName = splits[0];
  77                 int index = 0;
  78
  79                 if (splits.length > 1 && !splits[1].isEmpty()) {
  80                     try {
  81                         index = Integer.parseInt(splits[1]);
  82                     } catch (final NumberFormatException e) {
  83                         index = 0;
  84                     }
  85                 }
  86
  87                 switch (keyName) {
  88                     case "batt":
  89                         touchWandUnitDataAlarmSensorCurrentStatus.setBatt(entry.getValue().getAsInt());
  90                         break;
  91                     case "alarm":
  92                         Alarm alarm = gson.fromJson(entry.getValue().getAsJsonObject(), Alarm.class);
  93                         TouchWandAlarmSensorCurrentStatus.AlarmEvent alarmEvent = new TouchWandAlarmSensorCurrentStatus.AlarmEvent();
  94                         if (alarm != null) {
  95                             alarmEvent.alarm = alarm;
  96                             alarmEvent.alarmType = index;
  97                         }
  98                         touchWandUnitDataAlarmSensor.getCurrStatus().getAlarmsStatus().add(alarmEvent);
  99                         break;
 100                     case "sensor":
 101                         TouchWandAlarmSensorCurrentStatus.Sensor sensor = new TouchWandAlarmSensorCurrentStatus.Sensor();
 102                         sensor.value = entry.getValue().getAsFloat();
 103                         sensor.type = index;
 104                         touchWandUnitDataAlarmSensor.getCurrStatus().getSensorsStatus().add(sensor);
 105                         break;
 106                     case "bsensor":
 107                         BinarySensor bsensor = gson.fromJson(entry.getValue().getAsJsonObject(), BinarySensor.class);
 108                         TouchWandAlarmSensorCurrentStatus.BinarySensorEvent bsensorevent = new TouchWandAlarmSensorCurrentStatus.BinarySensorEvent();
 109                         if (bsensor != null) {
 110                             bsensorevent.sensor = bsensor;
 111                             bsensorevent.sensorType = index;
 112                         }
 113                         touchWandUnitDataAlarmSensor.getCurrStatus().getbSensorsStatus().add(bsensorevent);
 114                         break;
 115                     default:
 116                         break;
 117                 }
 118             }
 119         }
 120         return touchWandUnitDataAlarmSensor;
 121     }
 122 }