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.salesforce.utils;
  
  import com.google.gson.Gson;
  import io.cdap.plugin.salesforce.plugin.sink.batch.CSVRecord;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import org.apache.beam.sdk.coders.CustomCoder;
  import org.apache.beam.sdk.coders.StringUtf8Coder;
  
  /** Custom coder for {@link CSVRecord}. */
  public class CsvRecordCoder extends CustomCoder<CSVRecord> {
  
    private static final Gson GSON = new Gson();
    private static final CsvRecordCoder CODER = new CsvRecordCoder();
    private static final StringUtf8Coder STRING_CODER = StringUtf8Coder.of();
  
    public static CsvRecordCoder of() {
      return CODER;
    }
  
    @Override
    public void encode(CSVRecord value, OutputStream outStream) throws IOException {
      STRING_CODER.encode(GSON.toJson(value), outStream);
    }
  
    @Override
    public CSVRecord decode(InputStream inStream) throws IOException {
      return GSON.fromJson(STRING_CODER.decode(inStream), CSVRecord.class);
    }
  }
  