Java tutorial
/* * Copyright 2012-2014, Continuuity, Inc. * * Licensed 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 * * http://www.apache.org/licenses/LICENSE-2.0 * * 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 com.continuuity.loom.codec.json.current; import com.continuuity.loom.http.request.FinishTaskRequest; import com.continuuity.loom.http.request.TakeTaskRequest; import com.google.gson.JsonDeserializationContext; import com.google.gson.JsonDeserializer; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParseException; import java.lang.reflect.Type; /** * Codec for deserializing a {@link com.continuuity.loom.http.request.FinishTaskRequest}. * Used to make sure required fields are present. */ public class FinishTaskRequestCodec implements JsonDeserializer<FinishTaskRequest> { @Override public FinishTaskRequest deserialize(JsonElement json, Type type, JsonDeserializationContext context) throws JsonParseException { JsonObject jsonObj = json.getAsJsonObject(); String workerId = context.deserialize(jsonObj.get("workerId"), String.class); String provisionerId = context.deserialize(jsonObj.get("provisionerId"), String.class); String tenantId = context.deserialize(jsonObj.get("tenantId"), String.class); String taskId = context.deserialize(jsonObj.get("taskId"), String.class); String stdout = context.deserialize(jsonObj.get("stdout"), String.class); String stderr = context.deserialize(jsonObj.get("stderr"), String.class); Integer status = context.deserialize(jsonObj.get("status"), Integer.class); JsonObject result = context.deserialize(jsonObj.get("result"), JsonObject.class); return new FinishTaskRequest(workerId, provisionerId, tenantId, taskId, stdout, stderr, status, result); } }