SerializedRecordToEncryptedSerializedRecordConverter.java

/*
 * 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 gobblin.converter;

import java.util.Map;

import gobblin.codec.StreamCodec;
import gobblin.configuration.WorkUnitState;
import gobblin.crypto.EncryptionConfigParser;
import gobblin.crypto.EncryptionFactory;


/**
 * Specific implementation of {@link SerializedRecordToEncryptedSerializedRecordConverterBase} that uses Gobblin's
 * {@link EncryptionFactory} to build the proper encryption codec based on config.
 */
public class SerializedRecordToEncryptedSerializedRecordConverter extends SerializedRecordToEncryptedSerializedRecordConverterBase {
  @Override
  protected StreamCodec buildEncryptor(WorkUnitState config) {
    Map<String, Object> encryptionConfig =
        EncryptionConfigParser.getConfigForBranch(EncryptionConfigParser.EntityType.CONVERTER, config);
    if (encryptionConfig == null) {
      throw new IllegalStateException("No encryption config specified in job - can't encrypt!");
    }

    return EncryptionFactory.buildStreamCryptoProvider(encryptionConfig);
  }
}