Here you can find the source of serialize(Serializable jobSpec)
public static byte[] serialize(Serializable jobSpec) throws IOException
//package com.java2s; /*/*from ww w .ja v a 2 s . c o m*/ * Copyright 2009-2013 by The Regents of the University of California * Licensed 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 from * * 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. */ import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; import java.io.Serializable; public class Main { public static byte[] serialize(Serializable jobSpec) throws IOException { ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(jobSpec); return baos.toByteArray(); } public static byte[] serialize(Serializable jobSpec, ClassLoader classLoader) throws IOException { ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); ClassLoader ctxCL = Thread.currentThread().getContextClassLoader(); try { Thread.currentThread().setContextClassLoader(classLoader); oos.writeObject(jobSpec); return baos.toByteArray(); } finally { Thread.currentThread().setContextClassLoader(ctxCL); } } }