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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 static org.openhab.binding.touchwand.internal.TouchWandBindingConstants.*;
  17
  18 import java.util.Arrays;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import com.google.gson.Gson;
  25 import com.google.gson.GsonBuilder;
  26 import com.google.gson.JsonObject;
  27 import com.google.gson.JsonParseException;
  28 import com.google.gson.JsonParser;
  29
  30 /**
  31  * The {@link TouchWandUnitFromJson} parse Json unit data
  32  *
  33  * @author Roie Geron - Initial contribution
  34  */
  35 @NonNullByDefault
  36 public class TouchWandUnitFromJson {
  37
  38     private final static Logger logger = LoggerFactory.getLogger(TouchWandUnitFromJson.class);
  39
  40     public TouchWandUnitFromJson() {
  41     }
  42
  43     public static TouchWandUnitData parseResponse(JsonObject jsonUnit) {
  44         final Gson gson = new Gson();
  45         TouchWandUnitData touchWandUnit;
  46         String type = jsonUnit.get("type").getAsString();
  47         if (!Arrays.asList(SUPPORTED_TOUCHWAND_TYPES).contains(type)) {
  48             type = TYPE_UNKNOWN;
  49         }
  50
  51         if (!jsonUnit.has("currStatus") || (jsonUnit.get("currStatus") == null)) {
  52             type = TYPE_UNKNOWN;
  53         }
  54
  55         switch (type) {
  56             case TYPE_WALLCONTROLLER:
  57                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandUnitDataWallController.class);
  58                 break;
  59             case TYPE_SWITCH:
  60                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandShutterSwitchUnitData.class);
  61                 break;
  62             case TYPE_DIMMER:
  63                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandShutterSwitchUnitData.class);
  64                 break;
  65             case TYPE_SHUTTER:
  66                 touchWandUnit = gson.fromJson(jsonUnit, TouchWandShutterSwitchUnitData.class);
  67                 break;
  68             case TYPE_ALARMSENSOR:
  69                 Gson builder = new GsonBuilder()
  70                         .registerTypeAdapter(TouchWandUnitDataAlarmSensor.class, new AlarmSensorUnitDataDeserializer())
  71                         .create();
  72                 touchWandUnit = builder.fromJson(jsonUnit, TouchWandUnitDataAlarmSensor.class);
  73                 break;
  74             case TYPE_UNKNOWN:
  75                 touchWandUnit = new TouchWandUnknownTypeUnitData();
  76                 break;
  77             default:
  78                 touchWandUnit = new TouchWandUnknownTypeUnitData();
  79         }
  80
  81         if (touchWandUnit == null) {
  82             touchWandUnit = new TouchWandUnknownTypeUnitData();
  83         }
  84
  85         return touchWandUnit;
  86     }
  87
  88     public static TouchWandUnitData parseResponse(String JsonUnit) {
  89         final JsonParser jsonParser = new JsonParser();
  90         TouchWandUnitData myTouchWandUnitData;
  91         JsonObject unitObj;
  92         try {
  93             unitObj = jsonParser.parse(JsonUnit).getAsJsonObject();
  94             myTouchWandUnitData = parseResponse(unitObj);
  95         } catch (JsonParseException | IllegalStateException e) {
  96             logger.warn("Could not parse response {}", JsonUnit);
  97             myTouchWandUnitData = new TouchWandUnknownTypeUnitData(); // Return unknown type
  98         }
  99         return myTouchWandUnitData;
 100     }
 101 }