Here you can find the source of objectToByteBuffer(Object object)
public static ByteBuffer objectToByteBuffer(Object object) throws Exception
//package com.java2s; /**//from w ww . ja v a 2 s .c o m * Copyright 2010 * * 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 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. */ import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; import java.nio.ByteBuffer; public class Main { public static ByteBuffer objectToByteBuffer(Object object) throws Exception { ByteBuffer byteBuf = null; byteBuf = ByteBuffer.wrap(serializer(object)); byteBuf.rewind(); return byteBuf; } public static byte[] serializer(Object object) throws IOException { ObjectOutputStream objectOutputStream = null; ByteArrayOutputStream byteArrayOutputStream; try { byteArrayOutputStream = new ByteArrayOutputStream(); objectOutputStream = new ObjectOutputStream(byteArrayOutputStream); objectOutputStream.writeObject(object); objectOutputStream.flush(); return byteArrayOutputStream.toByteArray(); } catch (IOException e) { throw e; } finally { if (objectOutputStream != null) { objectOutputStream.close(); } } } }