java中xml与object的应用 (XMLEncoder应用)

其中XMLEncoder转换xml，object格式，可以相互转换，可以用于网上传送字节流

例子：

package com;

public class StudentBean {
private String name;
private String gender;
private Integer age;
private String phone;
public String getName() {
 return name;
}
public void setName(String name) {
 this.name = name;
}
public String getGender() {
 return gender;
}
public void setGender(String gender) {
 this.gender = gender;
}

public Integer getAge() {
 return age;
}
public void setAge(Integer age) {
 this.age = age;
}
public String getPhone() {
 return phone;
}
public void setPhone(String phone) {
 this.phone = phone;
}
}
定义一个学生实体对象

 

 

package com;

import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class Object2XML {

public static String object2XML(Object obj, String outFileName)
   throws FileNotFoundException {
  // 构造输出XML文件的字节输出流
  File outFile = new File(outFileName);
  BufferedOutputStream bos = new BufferedOutputStream(
    new FileOutputStream(outFile));
  // 构造一个XML编码器
  XMLEncoder xmlEncoder = new XMLEncoder(bos);
  // 使用XML编码器写对象
  xmlEncoder.writeObject(obj);
  // 关闭编码器
  xmlEncoder.close();
 
  return outFile.getAbsolutePath();
}

public static Object xml2Object(String inFileName)
   throws FileNotFoundException {
  // 构造输入的XML文件的字节输入流
  BufferedInputStream bis = new BufferedInputStream(
    new FileInputStream(inFileName));
  // 构造一个XML解码器
  XMLDecoder xmlDecoder = new XMLDecoder(bis);
  // 使用XML解码器读对象
  Object obj = xmlDecoder.readObject();
  // 关闭解码器
  xmlDecoder.close();
 
  return obj;
}

public static void main(String[] args) throws IOException {
 List<StudentBean>  stulist=new ArrayList<StudentBean>();
  // 构造一个StudentBean对象
  StudentBean student = new StudentBean();
  student.setName("wamgwu");
  student.setGender("male");
  student.setAge(15);
  student.setPhone("55556666");
 
  stulist.add(student);
 
 
  StudentBean student2 = new StudentBean();
  student2.setName("xcx");
  student2.setGender("male");
  student2.setAge(11);
  student2.setPhone("55557776");
 
  stulist.add(student2);
 
 
  // 将StudentBean对象写到XML文件 （测试）
  String fileName = "d:/AStudent.xml";
 // Object2XML.object2XML(stulist, fileName);
 
    List<StudentBean> stuinfo=(List<StudentBean>)Object2XML.xml2Object(fileName);
    System.out.println(stuinfo.size());
  // 从XML文件读StudentBean对象
  //StudentBean aStudent = (StudentBean)Object2XML.xml2Object(fileName);
  // 输出读到的对象
  //System.out.println(aStudent.getName());
}
}