/* * 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 * * 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 org.apache.ambari.server.utils; import org.apache.commons.lang.StringUtils; import com.google.gson.JsonParser; import com.google.gson.JsonSyntaxException; /** * Static Helper methods for Json processing. */ public class JsonUtils { public static JsonParser jsonParser = new JsonParser(); /** * Checks if an input string is in valid JSON format * @param jsonString input json string to validate * @return <tt>true</tt> if the input string is in valid JSON format */ public static boolean isValidJson(String jsonString) { if(StringUtils.isBlank(jsonString)) { return false; } try { jsonParser.parse(jsonString); return true; } catch (JsonSyntaxException jse) { return false; } } }