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.beam.examples.complete.cdap.utils;
  
  import com.google.gson.Gson;
  import io.cdap.cdap.api.data.format.StructuredRecord;
  
  /**
   * Class for converting {@link io.cdap.cdap.api.data.format.StructuredRecord} to human-readable
   * format.
   */
  public class StructuredRecordUtils {
  
    private static final Gson GSON = new Gson();
  
    /** Converts {@link StructuredRecord} to String json format. */
    public static String structuredRecordToString(StructuredRecord structuredRecord) {
      if (structuredRecord == null) {
        return "{}";
      }
      return GSON.toJson(structuredRecord);
    }
  }
  