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package com.wichell.core.util;

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

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 * 序列化辅助类
 * 
 * @author Wichell
 * @version $Id: SerializableUtil.java, v 0.1 2014-6-10 下午1:30:39 ShenHuaJie Exp
 *          $
 */
public final class SerializeUtil {
    private SerializeUtil() {
    }
    private static final Logger logger = LogManager.getLogger();

    /**
     * 序列化
     * 
     * @param object
     * @return
     */
    public static final byte[] serialize(Object object) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = null;
        try {
            oos = new ObjectOutputStream(baos);
            oos.writeObject(object);
            return baos.toByteArray();
        } catch (IOException ex) {
            throw new RuntimeException(ex.getMessage(), ex);
        } finally {
            try {
                if (oos != null) {
                    oos.close();
                }
            } catch (Exception e) {
                logger.error(e);
            }
            try {
                if (baos != null) {
                    baos.close();
                }
            } catch (Exception e) {
                logger.error(e);
            }
        }
    }

    /**
     * 反序列化
     * 
     * @param bytes
     * @return
     */
    public static final Object deserialize(byte[] bytes) {
        return deserialize(bytes, Object.class);
    }

    /**
     * 反序列化
     * 
     * @param bytes
     * @return
     */
    @SuppressWarnings("unchecked")
    public static final  K deserialize(byte[] bytes, Class cls) {
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        ObjectInputStream ois = null;
        try {
            ois = new ObjectInputStream(bais);
            return (K)ois.readObject();
        } catch (IOException ex) {
            throw new RuntimeException(ex.getMessage(), ex);
        } catch (ClassNotFoundException ex) {
            throw new RuntimeException(ex.getMessage(), ex);
        } finally {
            try {
                if (ois != null) {
                    ois.close();
                }
            } catch (Exception e) {
                logger.error(e);
            }
            try {
                if (bais != null) {
                    bais.close();
                }
            } catch (Exception e) {
                logger.error(e);
            }
        }
    }
}