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/**
 *  Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 *
 *  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.tinygroup.remoteconfig.zk.utils;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class SerializeUtil {

	public static byte[] serialize(Object object) {
		ObjectOutputStream oos = null;
		ByteArrayOutputStream baos = null;
		try {
			// 序列化
			baos = new ByteArrayOutputStream();
			oos = new ObjectOutputStream(baos);
			oos.writeObject(object);
			byte[] bytes = baos.toByteArray();
			return bytes;
		} catch (Exception e) {
			return null;
		} finally{
			if(oos!=null){
				try {
					oos.close();
				} catch (IOException e) {
					//ignore
				}
			}
			
			if(baos!=null){
				try {
					baos.close();
				} catch (IOException e) {
					//ignore
				}
			}
		}
	}

	@SuppressWarnings("unchecked")
	public static  T unserialize(byte[] bytes) {
		ByteArrayInputStream bais = null;
		ObjectInputStream ois = null;
		try {
			// 反序列化
			bais = new ByteArrayInputStream(bytes);
			ois = new ObjectInputStream(bais);
			return (T) ois.readObject();
		} catch (Exception e) {
			return null;
		}finally{
			if(ois!=null){
				try {
					ois.close();
				} catch (IOException e) {
					//ignore
				}
			}
			
			if(bais!=null){
				try {
					bais.close();
				} catch (IOException e) {
					//ignore
				}
			}
		}
	}
	
}