| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.atlas; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import com.google.gson.JsonDeserializationContext; |
| import com.google.gson.JsonDeserializer; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonParser; |
| import com.google.gson.JsonSerializationContext; |
| import com.google.gson.JsonSerializer; |
| import org.apache.atlas.typesystem.IReferenceableInstance; |
| import org.apache.atlas.typesystem.IStruct; |
| import org.apache.atlas.typesystem.Referenceable; |
| import org.apache.atlas.typesystem.Struct; |
| import org.apache.atlas.typesystem.json.InstanceSerialization; |
| |
| import java.lang.reflect.Type; |
| |
| @Deprecated |
| public class SerDe { |
| public static final Gson GSON = new GsonBuilder(). |
| registerTypeAdapter(IStruct.class, new StructDeserializer()). |
| registerTypeAdapter(IReferenceableInstance.class, new ReferenceableSerializerDeserializer()). |
| registerTypeAdapter(Referenceable.class, new ReferenceableSerializerDeserializer()). |
| create(); |
| |
| /** |
| * Serde for Struct used by AbstractNotificationConsumer.GSON. |
| */ |
| public static final class StructDeserializer implements JsonDeserializer<IStruct>, JsonSerializer<IStruct> { |
| @Override |
| public IStruct deserialize(final JsonElement json, final Type type, |
| final JsonDeserializationContext context) { |
| return context.deserialize(json, Struct.class); |
| } |
| |
| @Override |
| public JsonElement serialize(IStruct src, Type typeOfSrc, JsonSerializationContext context) { |
| String instanceJson = InstanceSerialization.toJson(src, true); |
| return new JsonParser().parse(instanceJson).getAsJsonObject(); |
| } |
| } |
| |
| /** |
| * Serde for Referenceable used by AbstractNotificationConsumer.GSON. |
| */ |
| public static final class ReferenceableSerializerDeserializer implements JsonDeserializer<IStruct>, |
| JsonSerializer<IReferenceableInstance> { |
| @Override |
| public IReferenceableInstance deserialize(final JsonElement json, final Type type, |
| final JsonDeserializationContext context) { |
| |
| return InstanceSerialization.fromJsonReferenceable(json.toString(), true); |
| } |
| |
| @Override |
| public JsonElement serialize(IReferenceableInstance src, Type typeOfSrc, JsonSerializationContext context) { |
| String instanceJson = InstanceSerialization.toJson(src, true); |
| return new JsonParser().parse(instanceJson).getAsJsonObject(); |
| } |
| } |
| } |