xStream完美转换XML、JSON(转）

package com.hoo.test;
 
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.StringReader;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.codehaus.jettison.json.JSONException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.hoo.entity.Birthday;
import com.hoo.entity.Classes;
import com.hoo.entity.ListBean;
import com.hoo.entity.Student;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.json.JettisonMappedXmlDriver;
import com.thoughtworks.xstream.io.json.JsonHierarchicalStreamDriver;
import com.thoughtworks.xstream.io.json.JsonWriter;
 
/**
 * <b>function:</b>Java对象和XML字符串的相互转换
 * jar-lib-version: xstream-1.3.1
 * @author hoojo
 * @createDate Nov 27, 2010 12:15:15 PM
 * @file XStreamTest.java
 * @package com.hoo.test
 * @project WebHttpUtils
 * @blog http://blog.csdn.net/IBM_hoojo
 * @email hoojo_@126.com
 * @version 1.0
 */
@SuppressWarnings("unchecked")
public class XStreamTest {
    
    private XStream xstream = null;
    private ObjectOutputStream  out = null;
    private ObjectInputStream in = null;
    
    private Student bean = null;
    
    /**
     * <b>function:</b>初始化资源准备
     * @author hoojo
     * @createDate Nov 27, 2010 12:16:28 PM
     */
    @Before
    public void init() {
        try {
            xstream = new XStream();
            //xstream = new XStream(new DomDriver()); // 需要xpp3 jar
        } catch (Exception e) {
            e.printStackTrace();
        }
        bean = new Student();
        bean.setAddress("china");
        bean.setEmail("jack@email.com");
        bean.setId(1);
        bean.setName("jack");
        Birthday day = new Birthday();
        day.setBirthday("2010-11-22");
        bean.setBirthday(day);
    }
    
    /**
     * <b>function:</b>释放对象资源
     * @author hoojo
     * @createDate Nov 27, 2010 12:16:38 PM
     */
    @After
    public void destory() {
        xstream = null;
        bean = null;
        try {
            if (out != null) {
                out.flush();
                out.close();
            }
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.gc();
    }
    
    public final void fail(String string) {
        System.out.println(string);
    }
    
    public final void failRed(String string) {
        System.err.println(string);
    }
}

package com.hoo.entity;
 
public class Student {
    private int id;
    private String name;
    private String email;
    private String address;
    private Birthday birthday;
    //getter、setter
    public String toString() {
        return this.name + "#" + this.id + "#" + this.address + "#" + this.birthday + "#" + this.email;
    }
}

/**
 * <b>function:</b>Java对象转换成XML字符串
 * @author hoojo
 * @createDate Nov 27, 2010 12:19:01 PM
 */
@Test
public void writeBean2XML() {
    try {
        fail("------------Bean->XML------------");
        fail(xstream.toXML(bean));
        fail("重命名后的XML");
        //类重命名
        //xstream.alias("account", Student.class);
        //xstream.alias("生日", Birthday.class);
        //xstream.aliasField("生日", Student.class, "birthday");
        //xstream.aliasField("生日", Birthday.class, "birthday");
        //fail(xstream.toXML(bean));
        //属性重命名
        xstream.aliasField("邮件", Student.class, "email");
        //包重命名
        xstream.aliasPackage("hoo", "com.hoo.entity");
        fail(xstream.toXML(bean));
    } catch (Exception e) {
        e.printStackTrace();
    }
}