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package json;

import net.sf.json.JSON;
import net.sf.json.JSONObject;
import net.sf.json.xml.XMLSerializer;
import json.UserInfo;
import org.apache.log4j.*;
import org.apache.log4j.Logger;
/**
 * author lz
 * date 2015-09-20
 */
public class JsonObjectTest {
	 private static Logger logger = Logger.getLogger(JsonObjectTest.class);

	      //java封裝成json串
	     public static void javaToJSON() {
	    	 
			 System.out.println("java程式碼封裝為json字串");
			 JSONObject jsonObj = new JSONObject();
			 jsonObj.put("username", "lizhe");
			 jsonObj.put("password", "123456");
			 System.out.println("java--->json \n" + jsonObj.toString());
		 }
	      //解析json串
		 public static void jsonToJAVA() {
			 
			 System.out.println("json字串轉java程式碼");
			 String jsonStr = "{\"username\":\"lizhe\",\"password\":\"123456\"}";
			 JSONObject jsonObj = JSONObject.fromString(jsonStr);
			 String username = jsonObj.getString("username");
			 String password = jsonObj.getString("password");
			 System.out.println("json--->java\n username=" + username
			 + "\t password=" + password);
		 }
		//json2xml
		 public static void jsonToXML() {
			 
			 System.out.println("json字串轉xml字串");
			 String jsonStr = "{\"username\":\"lizhe\",\"password\":\"123456\"}";
			 JSONObject json = JSONObject.fromString(jsonStr);
			 XMLSerializer xmlSerializer = new XMLSerializer();
			 xmlSerializer.setRootName("user_info");
			 xmlSerializer.setTypeHintsEnabled(false);
			 String xml = xmlSerializer.write(json);
			 System.out.println("json--->xml \n" + xml);
		 }
		 //javabean2json
		 public static void javaBeanToJSON() {
			 
			 System.out.println("javabean轉json字串");
			 UserInfo userInfo = new UserInfo();
			 userInfo.setUsername("lizhe");
			 userInfo.setPassword("123456");
			 JSONObject json = JSONObject.fromBean(userInfo);
			 System.out.println("javabean--->json \n" + json.toString());
		 }
		 //javabean2xml
		 public static void javaBeanToXML() {
			 
			 System.out.println("javabean轉xml字串");
			 UserInfo userInfo = new UserInfo();
			 userInfo.setUsername("lizhe");
			 userInfo.setPassword("123456");
			 JSONObject json = JSONObject.fromBean(userInfo);
			 XMLSerializer xmlSerializer = new XMLSerializer();
			 String xml = xmlSerializer.write(json, "UTF-8");
			 System.out.println("javabean--->xml \n" + xml);
		 }
		 //xml2json
		 public static void xmlToJSON(){
		  
			 System.out.println("xml字串轉json字串");
			 String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><user_info><password>123456</password><username>lizhe</username></user_info>";
			 JSON json=XMLSerializer.read(xml);
			 System.out.println("xml--->json \n"+json.toString());
		   
		 
		   
		   }
		 
		 public static void main(String args[]) {
					 
			  //javaToJSON();
			  //jsonToJAVA();
			  jsonToXML();
			  //javaBeanToJSON();
			  //javaBeanToXML();
			  //xmlToJSON();
			
		 }
		 

}
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