java可序列化Object到XML文件中

package com.ftpgw;

import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class SerializeXMLFile {
    public static void serializeToFile(Object obj,String filePath) {
        try {
            File file=new File(filePath);
            if(!(file.isFile()&&file.exists())){
                file.createNewFile();
            }
          
            FileOutputStream fos = new FileOutputStream(filePath);
            XMLEncoder encoder = new XMLEncoder(fos);
            encoder.writeObject(obj);
            encoder.close();
            fos.close();
        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static Object deSerializeFromFile(String filePath) {
        Object obj = null;
        try {
            File file=new File(filePath);
            if(!(file.isFile()&&file.exists())){
                  return null;

            }
            FileInputStream fis = new FileInputStream(filePath);
            XMLDecoder decoder = new XMLDecoder(fis);
            obj= decoder.readObject();
            decoder.close();
            fis.close();
        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return obj;
    }
  
    @SuppressWarnings("unchecked")
    public static void main(String[] args) {
        Map map1 = new HashMap();
        map1.put("fileName1", 20001);
        map1.put("fileName2", 20002);
        SerializeXMLFile.serializeToFile(map1,"H:\\map.xml");      
        Map map2=(Map)SerializeXMLFile.deSerializeFromFile("H:\\map.xml");
        for(Object a:map2.keySet()){
            Integer values=(Integer)map2.get(a.toString());
            System.out.println(values.intValue());
        }
    }
}