@@ -0,0 +1,1721 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements.  See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache License, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License.  You may obtain a copy of the License at%0A *%0A *    http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage delsh.livy;%0A%0Aimport java.io.IOException;%0Aimport com.fasterxml.jackson.core.JsonProcessingException;%0Aimport com.fasterxml.jackson.databind.ObjectMapper;%0A%0A/**%0A * Convert json string to Java object and vise versa.%0A */%0Apublic class JsonConverter %7B%0A%0A%09/**%0A%09 * Convert json string to a Java object.%0A     * @param Java class%0A     * @param json string%0A     * @return Java object%0A     * @throws IOException%0A     */%0A%09public static %3CT%3E T toObjct(Class%3CT%3E cls, String json) throws IOException %7B%0A%09%09ObjectMapper mapper = new ObjectMapper();%0A%09%09return (T) mapper.readValue(json, cls);%0A%09%7D%0A%0A%09/**%0A%09 * Convert Java object to json string.%0A%09 * @param obj%0A%09 * @return String%0A%09 * @throws JsonProcessingException%0A%09 */%0A%09public static String toJson(Object obj) throws JsonProcessingException %7B%0A%09%09ObjectMapper mapper = new ObjectMapper();%0A%09%09String json = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(obj);%0A%09%09return json;%0A%09%7D%0A%7D%0A%0A

Add json converter