Java tutorial
/** * 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 com.esotericsoftware.kryo.Kryo; import com.esotericsoftware.kryo.Serializer; import com.esotericsoftware.kryo.io.Input; import com.esotericsoftware.kryo.io.Output; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import org.apache.commons.io.input.ClassLoaderObjectInputStream; public class SerializableSerializer extends Serializer<Object> { @Override public void write(Kryo kryo, Output output, Object object) { ByteArrayOutputStream bos = new ByteArrayOutputStream(); try { ObjectOutputStream oos = new ObjectOutputStream(bos); oos.writeObject(object); oos.flush(); } catch (IOException e) { throw new RuntimeException(e); } byte[] ser = bos.toByteArray(); output.writeInt(ser.length); output.writeBytes(ser); } @Override public Object read(Kryo kryo, Input input, Class c) { int len = input.readInt(); byte[] ser = new byte[len]; input.readBytes(ser); ByteArrayInputStream bis = new ByteArrayInputStream(ser); try { ClassLoaderObjectInputStream ois = new ClassLoaderObjectInputStream(kryo.getClassLoader(), bis); return ois.readObject(); } catch (Exception e) { throw new RuntimeException(e); } } }