| /** |
| * 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.storm.serialization; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.util.Map; |
| import java.util.zip.GZIPInputStream; |
| import java.util.zip.GZIPOutputStream; |
| |
| /** |
| * Note, this assumes it's deserializing a gzip byte stream, and will err if it encounters any other serialization. |
| */ |
| public class GzipSerializationDelegate implements SerializationDelegate { |
| |
| @Override |
| public void prepare(Map<String, Object> topoConf) { |
| // No-op |
| } |
| |
| @Override |
| public byte[] serialize(Object object) { |
| try { |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| GZIPOutputStream gos = new GZIPOutputStream(bos); |
| ObjectOutputStream oos = new ObjectOutputStream(gos); |
| oos.writeObject(object); |
| oos.close(); |
| return bos.toByteArray(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public <T> T deserialize(byte[] bytes, Class<T> clazz) { |
| try { |
| ByteArrayInputStream bis = new ByteArrayInputStream(bytes); |
| GZIPInputStream gis = new GZIPInputStream(bis); |
| ObjectInputStream ois = new ObjectInputStream(gis); |
| Object ret = ois.readObject(); |
| ois.close(); |
| return (T) ret; |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } catch (ClassNotFoundException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |