deep Copy any object - Java java.io

Java examples for java.io:Serializable

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Description

deep Copy any object

Demo Code


//package com.java2s;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {
    @SuppressWarnings("unchecked")
    public static <T> T deepCopy(T entry) {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream oos = null;
        ObjectInputStream ois = null;
        Object obj = null;/*  ww  w.  j  a  v a 2s. c  o m*/
        try {
            try {
                oos = new ObjectOutputStream(bos);
                oos.writeObject(entry);
                oos.flush();

                ByteArrayInputStream bis = new ByteArrayInputStream(
                        bos.toByteArray());
                ois = new ObjectInputStream(bis);
                obj = ois.readObject();
            } finally {
                oos.close();
                ois.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return (T) obj;
    }
}

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