content: /*
   * 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 final 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;
      }
    }
  }
  