XStream简单使用01——xml和Ojbect互转

package org.zhb.test;
/**
 * author : zhb 
 * data   : 2014-2-14
 * use packages：
 *      xmlpull-1.1.3.1.jar
 *   xpp3_min-1.1.4c.jar
 *   xstream-1.4.7.jar
 */
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

import com.thoughtworks.xstream.XStream;

class Person{
    private String name;
    private int age;
    private String gender;
    private Dog dog;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Person(){};
    public Person(String name, int age, String gender, Dog dog) {
        this.name = name;
        this.age = age;
        this.gender = gender;
        this.dog = dog;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getGender() {
        return gender;
    }
    public void setGender(String gender) {
        this.gender = gender;
    }
    public Dog getDog() {
        return dog;
    }
    public void setDog(Dog dog) {
        this.dog = dog;
    }
    public String toString(){
        return "perName: " + this.name + "\n" + 
                "perAge: " + this.age + "\n" + 
                "perGender: " + this.gender + "\n" + 
                "dogName: " + this.dog.getName() + "\n" +
                "dogAge: " + this.dog.getAge() + "\n" +
                "dogGender: " + this.dog.getGender();
    }
}
class Dog{
    private String name;
    private int age;
    private String gender;
    public Dog(){};
    public Dog(String name, int age, String gender) {
        super();
        this.name = name;
        this.age = age;
        this.gender = gender;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getGender() {
        return gender;
    }
    public void setGender(String gender) {
        this.gender = gender;
    }
}
public class TestXS {
    private static XStream xs;
    static{
        xs = new XStream();
    }
    public static void main(String[] args) throws Exception {
        Person per = new Person("王大牛", 29, "男", new Dog("李二狗", 5, "男"));
//        String xmlResult = xs.toXML(per);
//        System.out.println(xmlResult);//控制台输出
        String pathName = "D:/per.xml";
//        xml2File(per, pathName, "gbk", "Sola");
        Person per2 = (Person)File2Object(pathName, per, "Sola", "gbk");
        System.out.println(per2);
        
    }
    public static void xml2File(Object obj, String pathName, String aliasName) throws Exception{
        //按系统默认编码写到文件
        if(null != aliasName && !("".equals(aliasName)))//不使用别名此参数填入""或null
            xs.alias(aliasName, obj.getClass());//为最外层标签指定别名，默认为包名+类名
        xs.toXML(obj, new FileWriter(new File(pathName)));
        //或 xs.toXML(obj, new FileOutputStream(new File(pathName)));
    }
    public static void xml2File(Object obj, String pathName, String charsetName, String aliasName) throws Exception{
        //按指定编码写到文件
        if(null != aliasName && !("".equals(aliasName)))//不使用别名此参数填入""或null
            xs.alias(aliasName, obj.getClass());//为最外层标签指定别名，默认为包名+类名
        xs.toXML(obj, new OutputStreamWriter(new FileOutputStream(new File(pathName)), charsetName));
    }
    public static Object File2Object(String pathName, Object obj, String rootName){
        //按系统默认编码读取文件
        if(null != obj && null != rootName)//未使用别名，两个参数填入null即可
            xs.aliasType(rootName, obj.getClass());//写入文件时用过别名，读取时许指定别名对应的类
        return xs.fromXML(new File(pathName));
    }
    public static Object File2Object(String pathName, Object obj, String rootName, String charsetName) throws Exception{
        //按指定编码读取文件
        if(null != obj && null != rootName)//未使用别名，两个参数填入null即可
            xs.aliasType(rootName, obj.getClass());//写入文件时用过别名，读取时许指定别名对应的类
        return xs.fromXML(new InputStreamReader(new FileInputStream(new File(pathName)), charsetName));
    }
}