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 backtype.storm.serialization;
  
  import backtype.storm.utils.Utils;
  import java.util.Map;
  import org.apache.thrift.TBase;
  import org.apache.thrift.TDeserializer;
  import org.apache.thrift.TException;
  import org.apache.thrift.TSerializer;
  
  /**
   * Note, this assumes it's deserializing a gzip byte stream, and will err if it encounters any other serialization.
   */
  public class GzipThriftSerializationDelegate implements SerializationDelegate {
  
      @Override
      public void prepare(Map stormConf) {
          // No-op
      }
  
      @Override
      public byte[] serialize(Object object) {
          try {
              return Utils.gzip(new TSerializer().serialize((TBase) object));
          } catch (TException e) {
              throw new RuntimeException(e);
          }
      }
  
      @Override
      public <T> T deserialize(byte[] bytes, Class<T> clazz) {
          try {
              TBase instance = (TBase) clazz.newInstance();
              new TDeserializer().deserialize(instance, Utils.gunzip(bytes));
              return (T) instance;
          } catch (Exception e) {
              throw new RuntimeException(e);
          }
      }
  }
  