git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright 2017-2018 Gregory Moyer and contributors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.openhab.binding.lametrictime.api.common.impl;
  17
  18 import org.openhab.binding.lametrictime.api.common.impl.typeadapters.ActionTypeAdapterFactory;
  19 import org.openhab.binding.lametrictime.api.common.impl.typeadapters.ApplicationTypeAdapterFactory;
  20 import org.openhab.binding.lametrictime.api.common.impl.typeadapters.UpdateActionTypeAdapterFactory;
  21 import org.openhab.binding.lametrictime.api.common.impl.typeadapters.imported.JSR310TypeAdapters;
  22 import org.openhab.binding.lametrictime.api.common.impl.typeadapters.imported.RuntimeTypeAdapterFactory;
  23 import org.openhab.binding.lametrictime.api.local.model.BooleanParameter;
  24 import org.openhab.binding.lametrictime.api.local.model.IntegerParameter;
  25 import org.openhab.binding.lametrictime.api.local.model.Parameter;
  26 import org.openhab.binding.lametrictime.api.local.model.StringParameter;
  27
  28 import com.google.gson.FieldNamingPolicy;
  29 import com.google.gson.Gson;
  30 import com.google.gson.GsonBuilder;
  31
  32 public class GsonGenerator
  33 {
  34     public static Gson create()
  35     {
  36         return create(false);
  37     }
  38
  39     public static Gson create(boolean prettyPrint)
  40     {
  41         GsonBuilder builder = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
  42                                                .registerTypeAdapterFactory(new ApplicationTypeAdapterFactory())
  43                                                .registerTypeAdapterFactory(new ActionTypeAdapterFactory())
  44                                                .registerTypeAdapterFactory(new UpdateActionTypeAdapterFactory())
  45                                                .registerTypeAdapterFactory(RuntimeTypeAdapterFactory.of(Parameter.class,
  46                                                                                                         "data_type")
  47                                                                                                     .registerSubtype(BooleanParameter.class,
  48                                                                                                                      "bool")
  49                                                                                                     .registerSubtype(StringParameter.class,
  50                                                                                                                      "string")
  51                                                                                                     .registerSubtype(IntegerParameter.class,
  52                                                                                                                      "int"));
  53
  54         // add Java 8 Time API support
  55         JSR310TypeAdapters.registerJSR310TypeAdapters(builder);
  56
  57         if (prettyPrint)
  58         {
  59             builder.setPrettyPrinting();
  60         }
  61
  62         return builder.create();
  63     }
  64
  65     // @formatter:off
  66     private GsonGenerator() {}
  67     // @formatter:on
  68 }