利用XStream在Java对象和XML之间相互转换

package com.lavasoft.demo3; 

import com.thoughtworks.xstream.XStream; 

import java.util.List; 
import java.util.ArrayList; 
import java.util.Iterator; 
import java.io.StringReader; 
import java.io.FileReader; 
import java.io.File; 
import java.io.FileNotFoundException; 

import org.dom4j.io.SAXReader; 
import org.dom4j.Document; 
import org.dom4j.Node; 
import org.dom4j.DocumentException; 

/** 
* Created by IntelliJ IDEA. 
* File: demo3.java 
* User: leizhimin 
* Date: 2008-3-4 14:44:03 
*/ 
public  class XStreamDemo { 
     public  static  void main(String args[]) { 
        testBean2XML(); 
    } 

     /** 
     * 生成一个Persons对象 
     * 
     * @return Persons对象 
     */ 
     public  static Persons getPersons() { 
        Address add1 =  new Address( "type1",  "郑州市经三路财富广场1"); 
        Address add2 =  new Address( "type2",  "郑州市经三路财富广场2"); 
        List<Address> addlist1 =  new ArrayList<Address>(); 
        addlist1.add(add1); 
        addlist1.add(add2); 

        Address add3 =  new Address( "type3",  "郑州市经三路财富广场3"); 
        Address add4 =  new Address( "type4",  "郑州市经三路财富广场4"); 
        List<Address> addlist2 =  new ArrayList<Address>(); 
        addlist2.add(add3); 
        addlist2.add(add4); 

        Addresses addes1 =  new Addresses(addlist1); 
        Addresses addes2 =  new Addresses(addlist2); 
        Person person1 =  new Person(addes1,  "6666554",  "lavasoft",  "man"); 
        Person person2 =  new Person(addes2,  "7777754",  "yutian",  "man"); 

        List<Person> listPerson =  new ArrayList<Person>(); 
        listPerson.add(person1); 
        listPerson.add(person2); 
        Persons persons =  new Persons(listPerson,  "001"); 
         return persons; 
    } 

     /** 
     * 利用XStream在Java对象和XML之间相互转换 
     */ 
     public  static  void testBean2XML() { 
        System.out.println( "将Java对象转换为xml！\n"); 
        Persons persons = getPersons(); 
        XStream xstream =  new XStream(); 
        xstream.alias( "address", Address. class); 
        xstream.alias( "addresses", Addresses. class); 
        xstream.alias( "person", Person. class); 
        xstream.alias( "persons", Persons. class); 
        String xml = xstream.toXML(persons); 
        System.out.println(xml); 

        System.out.println( "\n将xml转换为Java对象！"); 
        Persons cre_person = (Persons) xstream.fromXML(xml); 
        System.out.println(cre_person.toString()); 
    } 
}

public  class Persons { 
     private String type; 
     private List<Person> listPerson; 

     public Persons(List<Person> listPerson, String type) { 
         this.listPerson = listPerson; 
         this.type = type; 
    } 

     public String getType() { 
         return type; 
    } 

     public  void setType(String type) { 
         this.type = type; 
    } 

     public List<Person> getListPerson() { 
         return listPerson; 
    } 

     public  void setListPerson(List<Person> listPerson) { 
         this.listPerson = listPerson; 
    } 

     public String toString() { 
        StringBuffer sb= new StringBuffer(); 
         for(Iterator it=listPerson.iterator();it.hasNext();){ 
            Person p=(Person)it.next(); 
            sb.append(it.toString()); 
        } 
         return  "Persons{" + 
                 "type='" + type + '\'' + 
                 ", listPerson=" + sb.toString() + 
                 "}\n"; 
    } 
}

public  class Person { 
     private String name; 
     private String sex; 
     private String tel; 
     private Addresses addes; 

     public Person(Addresses addes, String name, String sex, String tel) { 
         this.addes = addes; 
         this.name = name; 
         this.sex = sex; 
         this.tel = tel; 
    } 

     public Addresses getAddes() { 
         return addes; 
    } 

     public  void setAddes(Addresses addes) { 
         this.addes = addes; 
    } 

     public String getName() { 
         return name; 
    } 

     public  void setName(String name) { 
         this.name = name; 
    } 

     public String getSex() { 
         return sex; 
    } 

     public  void setSex(String sex) { 
         this.sex = sex; 
    } 

     public String getTel() { 
         return tel; 
    } 

     public  void setTel(String tel) { 
         this.tel = tel; 
    } 

     public String toString() { 
         return  "Person{" + 
                 "addes=" + addes.toString() + 
                 ", name='" + name + '\'' + 
                 ", sex='" + sex + '\'' + 
                 ", tel='" + tel + '\'' + 
                 "}\n"; 
    } 
}

public  class Addresses { 
     private List<Address> listAdd; 

     public Addresses(List<Address> listAdd) { 
         this.listAdd = listAdd; 
    } 

     public List<Address> getListAdd() { 
         return listAdd; 
    } 

     public  void setListAdd(List<Address> listAdd) { 
         this.listAdd = listAdd; 
    } 

     public String toString() { 
        StringBuffer sb= new StringBuffer(); 
         for(Iterator it=listAdd.iterator();it.hasNext();){ 
            Address add=(Address)it.next(); 
            sb.append(add.toString()); 
        } 
         return  "Addresses{" + 
                 "listAdd=" + sb.toString() + 
                 "}\n"; 
    } 
}

public  class Address { 
     private String addType; 
     private String place; 

     public Address(String addType, String place) { 
         this.addType = addType; 
         this.place = place; 
    } 

     public String getAddType() { 
         return addType; 
    } 

     public  void setAddType(String addType) { 
         this.addType = addType; 
    } 

     public String getPlace() { 
         return place; 
    } 

     public  void setPlace(String place) { 
         this.place = place; 
    } 


     public String toString() { 
         return  "Address{" + 
                 "addType='" + addType + '\'' + 
                 ", place='" + place + '\'' + 
                 "}\n"; 
    } 
}

将Java对象转换为xml！ 

< persons > 
   < type >001 </ type > 
   < listPerson > 
     < person > 
       < name >6666554 </ name > 
       < sex >lavasoft </ sex > 
       < tel >man </ tel > 
       < addes > 
         < listAdd > 
           < address > 
             < addType >type1 </ addType > 
             < place >郑州市经三路财富广场1 </ place > 
           </ address > 
           < address > 
             < addType >type2 </ addType > 
             < place >郑州市经三路财富广场2 </ place > 
           </ address > 
         </ listAdd > 
       </ addes > 
     </ person > 
     < person > 
       < name >7777754 </ name > 
       < sex >yutian </ sex > 
       < tel >man </ tel > 
       < addes > 
         < listAdd > 
           < address > 
             < addType >type3 </ addType > 
             < place >郑州市经三路财富广场3 </ place > 
           </ address > 
           < address > 
             < addType >type4 </ addType > 
             < place >郑州市经三路财富广场4 </ place > 
           </ address > 
         </ listAdd > 
       </ addes > 
     </ person > 
   </ listPerson > 
</ persons > 

将xml转换为Java对象！ 
Persons{type='001', listPerson=java.util.AbstractList$[email]Itr@1cde100java.util.Abst[/email]ractList$Itr@1cde100} 


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