2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.gardena.internal.model;
15 import java.lang.reflect.Type;
17 import org.eclipse.jdt.annotation.NonNullByDefault;
18 import org.eclipse.jdt.annotation.Nullable;
19 import org.openhab.binding.gardena.internal.exception.GardenaException;
20 import org.openhab.binding.gardena.internal.model.dto.api.DataItem;
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;
31 * Custom deserializer for Gardena DataItems.
33 * @author Gerhard Riegler - Initial contribution
36 public class DataItemDeserializer implements JsonDeserializer<DataItem<?>> {
37 private static Gson gson = new GsonBuilder().create();
40 public @Nullable DataItem<?> deserialize(JsonElement element, Type type, JsonDeserializationContext ctx)
41 throws JsonParseException {
43 JsonObject jsonObj = element.getAsJsonObject();
44 return gson.fromJson(element, DataItemFactory.create(jsonObj.get("type").getAsString()));
45 } catch (GardenaException ex) {
46 throw new JsonParseException(ex.getMessage(), ex);