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/**
 * Copyright (c) 2011-2013, kidzhou 周磊 ([email protected])
 *
 * 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.
 */
package com.janeluo.jfinalplus.kit;

import java.io.*;

public class SerializableKit {

    /**
     * 将对象序列化为byte[]
     *
     * @param obj
     * @return
     */
    public static byte[] toByteArray(Serializable obj) {
        byte[] bytes = null;
        ObjectOutputStream oos = null;
        ByteArrayOutputStream baos = null;
        try {
            baos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(baos);
            oos.writeObject(obj);
            oos.flush();
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            if (oos != null) {
                try {
                    oos.close();
                    bytes = baos.toByteArray();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        }
        return bytes;
    }

    /**
     * 将byte[]反序列化为Object
     *
     * @param bytes
     * @return
     */
    public static Serializable toObject(byte[] bytes){
        Serializable obj = null;
        ObjectInputStream ois = null;
        try {
            ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
            ois = new ObjectInputStream(bais);
            obj = (Serializable) ois.readObject();
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            if (ois != null) {
                try {
                    ois.close();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        }
        return obj;
    }
}