序列化拷贝对象

java 序列化拷贝对象

@SuppressWarnings( "unchecked" )
private static <T extends Serializable> T deepClone( T obj ) {
    T cloneObj = null;
    try {
        // 写入字节流
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ObjectOutputStream obs = new ObjectOutputStream( out );
        obs.writeObject( obj );
        obs.close();

        // 分配内存，写入原始对象，生成新对象
        ByteArrayInputStream ios = new ByteArrayInputStream( out.toByteArray() );
        ObjectInputStream ois = new ObjectInputStream( ios );
        // 返回生成的新对象
        cloneObj = (T)ois.readObject();
        ois.close();
    }
    catch( Exception e ) {
        logger.error( e.getMessage() );
    }

    return cloneObj;
}