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   1 /**
   2  * Copyright (c) 2010-2021 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.touchwand.internal.dto;
  14
  15 import static org.openhab.binding.touchwand.internal.TouchWandBindingConstants.*;
  16
  17 import java.util.Arrays;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 import com.google.gson.Gson;
  24 import com.google.gson.GsonBuilder;
  25 import com.google.gson.JsonObject;
  26 import com.google.gson.JsonParseException;
  27 import com.google.gson.JsonParser;
  28
  29 /**
  30  * The {@link TouchWandUnitFromJson} parse Json unit data
  31  *
  32  * @author Roie Geron - Initial contribution
  33  */
  34 @NonNullByDefault
  35 public class TouchWandUnitFromJson {
  36
  37     private final static Logger logger = LoggerFactory.getLogger(TouchWandUnitFromJson.class);
  38
  39     public TouchWandUnitFromJson() {
  40     }
  41
  42     public static TouchWandUnitData parseResponse(JsonObject jsonUnit) {
  43         final Gson gson = new Gson();
  44         TouchWandUnitData touchWandUnit;
  45         String type = jsonUnit.get("type").getAsString();
  46         if (!Arrays.asList(SUPPORTED_TOUCHWAND_TYPES).contains(type)) {
  47             type = TYPE_UNKNOWN;
  48         }
  49
  50         if (!jsonUnit.has("currStatus") || (jsonUnit.get("currStatus") == null)) {
  51             type = TYPE_UNKNOWN;
  52         }
  53
  54         switch (type) {
  55             case TYPE_WALLCONTROLLER:
  56                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandUnitDataWallController.class);
  57                 break;
  58             case TYPE_SWITCH:
  59                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandShutterSwitchUnitData.class);
  60                 break;
  61             case TYPE_DIMMER:
  62                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandShutterSwitchUnitData.class);
  63                 break;
  64             case TYPE_SHUTTER:
  65                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandShutterSwitchUnitData.class);
  66                 break;
  67             case TYPE_ALARMSENSOR:
  68                 Gson builder = new GsonBuilder()
  69                         .registerTypeAdapter(TouchWandUnitDataAlarmSensor.class, new AlarmSensorUnitDataDeserializer())
  70                         .create();
  71                 touchWandUnit = builder.fromJson(jsonUnit, TouchWandUnitDataAlarmSensor.class);
  72                 break;
  73             case TYPE_UNKNOWN:
  74                 touchWandUnit = new TouchWandUnknownTypeUnitData();
  75                 break;
  76             default:
  77                 touchWandUnit = new TouchWandUnknownTypeUnitData();
  78         }
  79
  80         if (touchWandUnit == null) {
  81             touchWandUnit = new TouchWandUnknownTypeUnitData();
  82         }
  83
  84         return touchWandUnit;
  85     }
  86
  87     public static TouchWandUnitData parseResponse(String JsonUnit) {
  88         TouchWandUnitData myTouchWandUnitData;
  89         JsonObject unitObj;
  90         try {
  91             unitObj = JsonParser.parseString(JsonUnit).getAsJsonObject();
  92             myTouchWandUnitData = parseResponse(unitObj);
  93         } catch (JsonParseException | IllegalStateException e) {
  94             logger.warn("Could not parse response {}", JsonUnit);
  95             myTouchWandUnitData = new TouchWandUnknownTypeUnitData(); // Return unknown type
  96         }
  97         return myTouchWandUnitData;
  98     }
  99 }