/*****************************************************************************
* *
* This file is part of the tna framework distribution. *
* Documentation and updates may be get from biaoping.yin the author of *
* this framework *
* *
* Sun Public License Notice: *
* *
* The contents of this file are subject to the Sun Public License Version *
* 1.0 (the "License"); you may not use this file except in compliance with *
* the License. A copy of the License is available at http://www.sun.com *
* *
* The Original Code is tag. The Initial Developer of the Original *
* Code is biaoping yin. Portions created by biaoping yin are Copyright *
* (C) 2000. All Rights Reserved. *
* *
* GNU Public License Notice: *
* *
* Alternatively, the contents of this file may be used under the terms of *
* the GNU Lesser General Public License (the "LGPL"), in which case the *
* provisions of LGPL are applicable instead of those above. If you wish to *
* allow use of your version of this file only under the terms of the LGPL *
* and not to allow others to use your version of this file under the SPL, *
* indicate your decision by deleting the provisions above and replace *
* them with the notice and other provisions required by the LGPL. If you *
* do not delete the provisions above, a recipient may use your version of *
* this file under either the SPL or the LGPL. *
* *
* biaoping.yin (yin-bp@163.com) *
* Author of Learning Java *
* *
*****************************************************************************/
package com.frameworkset.common.util;
/**
* @author biaoping.yin
* 对象序列化和反序列化类
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class Serializer {
private Serializer()
{
}
/**
* Description:将对象字节流转换成一个对象
* @param buf
* @return Object
* @throws Exception
* Object
*/
public static Object toObject(byte buf[])
throws Exception
{
ObjectInputStream ois = null;
Object obj = null;
try
{
ByteArrayInputStream bin = new ByteArrayInputStream(buf);
ois = new ObjectInputStream(bin);
obj = ois.readObject();
}
finally
{
if(ois != null)
ois.close();
}
return obj;
}
/**
* Description:将一个对象转换为一个字节数组
* @param obj
* @return byte[]
* @throws Exception
*
*/
public static byte[] toByteArray(Object obj)
throws Exception
{
ObjectOutputStream oos = null;
byte buf[] = null;
try
{
ByteArrayOutputStream bos = new ByteArrayOutputStream();
oos = new ObjectOutputStream(bos);
oos.writeObject(obj);
oos.flush();
buf = bos.toByteArray();
}
finally
{
if(oos != null)
oos.close();
}
return buf;
}
/**
* Description:实现对象的完整拷贝
* @param oldObj
* @return Object
* @throws Exception
*
*/
public static Object deepCopy(Object oldObj)
throws Exception
{
ObjectOutputStream oos = null;
ObjectInputStream ois = null;
Object obj;
try
{
ByteArrayOutputStream bos = new ByteArrayOutputStream();
oos = new ObjectOutputStream(bos);
oos.writeObject(oldObj);
oos.flush();
ByteArrayInputStream bin = new ByteArrayInputStream(bos.toByteArray());
ois = new ObjectInputStream(bin);
obj = ois.readObject();
}
finally
{
if(oos != null)
oos.close();
if(ois != null)
ois.close();
}
return obj;
}
}