package org.masque.ztree.demo.action;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import org.apache.commons.lang.StringUtils;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.masque.ztree.demo.vo.ZtreeVo;


import com.opensymphony.xwork2.ActionSupport;

public class JsonTest extends ActionSupport implements ServletRequestAware, ServletResponseAware{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	protected HttpServletRequest request;
	protected HttpServletResponse response;
	
	public String getList() {
	   String id = request.getParameter("id");
	   String name = request.getParameter("name");
	   List<ZtreeVo> l = new ArrayList<ZtreeVo>();
	   if (StringUtils.isEmpty(id)||StringUtils.isEmpty(name)) {
		   ZtreeVo ztreeVo1 = new ZtreeVo("1", "测试1", true);
		   ZtreeVo ztreeVo2 = new ZtreeVo("2", "测试2", true);
		   ZtreeVo ztreeVo3 = new ZtreeVo("3", "测试3", true);
		   ZtreeVo ztreeVo4 = new ZtreeVo("4", "测试4", true);
		   l.add(ztreeVo1);
		   l.add(ztreeVo2);
		   l.add(ztreeVo3);
		   l.add(ztreeVo4);
	   }else{
		   ZtreeVo ztreeVo1 = new ZtreeVo(id+"_1", "测试"+id+"_1", true);
		   ZtreeVo ztreeVo2 = new ZtreeVo(id+"_2", "测试"+id+"_2", true);
		   ZtreeVo ztreeVo3 = new ZtreeVo(id+"_3", "测试"+id+"_3", true);
		   ZtreeVo ztreeVo4 = new ZtreeVo(id+"_4", "测试"+id+"_4", true);
		   l.add(ztreeVo1);
		   l.add(ztreeVo2);
		   l.add(ztreeVo3);
		   l.add(ztreeVo4);
	   }
	   System.out.println(JSONArray.fromObject(l).toString());
	   writeJSON(JSONArray.fromObject(l).toString());
	   return null;
	}
	public void setServletResponse(HttpServletResponse response) {
		this.response = response;
	}
	public void setServletRequest(HttpServletRequest request) {
		this.request = request;
	}
	protected void writeJSON(String json)  {
		response.setContentType("application/json");
		response.setCharacterEncoding("UTF-8");
		PrintWriter writer = null;
		try {
			writer = response.getWriter();
		} catch (IOException e) {
			e.printStackTrace();
		}
		writer.write(json);
		writer.flush();
		writer.close();
	}
}