XML与JavaBean相互转换工具

import com.thoughtworks.xstream.XStream; 

import java.util.Map; 
import java.util.Iterator; 

/** 
* XML与JavaBean相互转换工具类 
* File: XMLBeanUtils.java 
* User: leizhimin 
* Date: 2008-3-5 14:28:29 
*/ 
public  final  class XMLBeanUtils { 
     /** 
     * 将Bean转换为XML 
     * 
     * @param clazzMap 别名-类名映射Map 
     * @param bean     要转换为xml的bean对象 
     * @return XML字符串 
     */ 
     public  static String bean2xml(Map<String, Class> clazzMap, Object bean) { 
        XStream xstream =  new XStream(); 
         for (Iterator it = clazzMap.entrySet().iterator(); it.hasNext();) { 
            Map.Entry<String, Class> m = (Map.Entry<String, Class>) it.next(); 
            xstream.alias(m.getKey(), m.getValue()); 
        } 
        String xml = xstream.toXML(bean); 
         return xml; 
    } 

     /** 
     * 将XML转换为Bean 
     * 
     * @param clazzMap 别名-类名映射Map 
     * @param xml      要转换为bean对象的xml字符串 
     * @return Java Bean对象 
     */ 
     public  static Object xml2Bean(Map<String, Class> clazzMap, String xml) { 
        XStream xstream =  new XStream(); 
         for (Iterator it = clazzMap.entrySet().iterator(); it.hasNext();) { 
            Map.Entry<String, Class> m = (Map.Entry<String, Class>) it.next(); 
            xstream.alias(m.getKey(), m.getValue()); 
        } 
        Object bean = xstream.fromXML(xml); 
         return bean; 
    } 

     /** 
     * 获取XStream对象 
     * 
     * @param clazzMap 别名-类名映射Map 
     * @return XStream对象 
     */ 
     public  static XStream getXStreamObject(Map<String, Class> clazzMap) { 
        XStream xstream =  new XStream(); 
         for (Iterator it = clazzMap.entrySet().iterator(); it.hasNext();) { 
            Map.Entry<String, Class> m = (Map.Entry<String, Class>) it.next(); 
            xstream.alias(m.getKey(), m.getValue()); 
        } 
         return xstream; 
    } 
}

import com.thoughtworks.xstream.XStream; 

import java.util.Map; 
import java.util.HashMap; 

/** 
* Created by IntelliJ IDEA. 
* File: XStreamFactory.java 
* User: leizhimin 
* Date: 2008-3-6 15:36:13 
*/ 
public  class XStreamFactory { 

     /** 
     * 获取????的XStream对象 
     * 
     * @return XStream对象 
     */ 
     public  static XStream getXXXStream() { 
        Map<String, Class> cm =  new HashMap<String, Class>(); 
        cm.put( "test", org.xxx.Test. class); 
        cm.put( "ssss", org.xxx.s.Ssss. class); 
         return XMLBeanUtils.getXStreamObject(cm); 
    } 
}