Java-XML反序列化Object 及Object序列化为XML
2011-02-18 15:33
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注:有位群友在群里贴了一段C#的XML/Object之间序列化代码,本猫解的不错,花了点时间,做了个Java的,依本猫的记性,不用多久就忘了,放在Blog上存着吧 ^_^
UserBean和OtherUserInfoBean就是一个set/get的bean类,造个就行了.
package org.sl.bean;
import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
public class ObjectXmlSerial {
public static void main(String[] args) throws IOException{
UserBean user = new UserBean();
OtherUserInfoBean otherUserInfo = new OtherUserInfoBean();
otherUserInfo.setAddress("汉字");
otherUserInfo.setEmail("test@test.com");
user.setName("hello");
user.setPassword("world");
user.setOtherUserInfo(otherUserInfo);
ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
BufferedOutputStream bufferOut = new BufferedOutputStream(byteArrayOut);
writeObjectToXML(bufferOut, user);
byte[] bys = byteArrayOut.toByteArray();
byteArrayOut.close();
bufferOut.close();
ByteArrayInputStream byteArrayIn = new ByteArrayInputStream(bys);
BufferedInputStream bufferIn = new BufferedInputStream(byteArrayIn);
UserBean user1 = readObjectFromXML(bufferIn);
byteArrayIn.close();
bufferIn.close();
System.out.println(user1.getName());
System.out.println(user1.getOtherUserInfo().getAddress());
}
public static <T extends Serializable> void writeObjectToXML(OutputStream out, T obj){
XMLEncoder xmlEncoder = null;
try{
xmlEncoder = new XMLEncoder(out);
xmlEncoder.writeObject(obj);
}finally{
if(null != xmlEncoder)
xmlEncoder.close();
}
}
@SuppressWarnings("unchecked")
public static <T extends Serializable> T readObjectFromXML(InputStream in){
T obj = null;
XMLDecoder xmlDecoder = null;
try{
xmlDecoder = new XMLDecoder(in);
obj = (T) xmlDecoder.readObject();
}finally{
if(null != xmlDecoder)
xmlDecoder.close();
}
return obj;
}
}
UserBean和OtherUserInfoBean就是一个set/get的bean类,造个就行了.
package org.sl.bean;
import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
public class ObjectXmlSerial {
public static void main(String[] args) throws IOException{
UserBean user = new UserBean();
OtherUserInfoBean otherUserInfo = new OtherUserInfoBean();
otherUserInfo.setAddress("汉字");
otherUserInfo.setEmail("test@test.com");
user.setName("hello");
user.setPassword("world");
user.setOtherUserInfo(otherUserInfo);
ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
BufferedOutputStream bufferOut = new BufferedOutputStream(byteArrayOut);
writeObjectToXML(bufferOut, user);
byte[] bys = byteArrayOut.toByteArray();
byteArrayOut.close();
bufferOut.close();
ByteArrayInputStream byteArrayIn = new ByteArrayInputStream(bys);
BufferedInputStream bufferIn = new BufferedInputStream(byteArrayIn);
UserBean user1 = readObjectFromXML(bufferIn);
byteArrayIn.close();
bufferIn.close();
System.out.println(user1.getName());
System.out.println(user1.getOtherUserInfo().getAddress());
}
public static <T extends Serializable> void writeObjectToXML(OutputStream out, T obj){
XMLEncoder xmlEncoder = null;
try{
xmlEncoder = new XMLEncoder(out);
xmlEncoder.writeObject(obj);
}finally{
if(null != xmlEncoder)
xmlEncoder.close();
}
}
@SuppressWarnings("unchecked")
public static <T extends Serializable> T readObjectFromXML(InputStream in){
T obj = null;
XMLDecoder xmlDecoder = null;
try{
xmlDecoder = new XMLDecoder(in);
obj = (T) xmlDecoder.readObject();
}finally{
if(null != xmlDecoder)
xmlDecoder.close();
}
return obj;
}
}
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