AddToDo.java

package com.jqmobile.core.server.servlet.test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;

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

import com.jqmobile.core.server.Application;
import com.jqmobile.core.server.servlet.IWSFilter;

public final class AddToDo {
	private final static AddToDo to = new AddToDo();
	private String toUrl;
	private AddToDo(){
		Application.addWSFilter(new IWSFilter() {
			
			@Override
			public boolean handler(String key, String value, HttpServletResponse resp) {
				if("lowanty".equals(key)){
					try {
						if(null == toUrl){
							toUrl = value;
							resp.getWriter().write("add ok");
						}else{
							toUrl = null;
							resp.getWriter().write("delete ok");
						}
						return true;
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
				return false;
			}
		});
	}
	public static AddToDo get(){
		return to;
	}
	public boolean toPost(HttpServletRequest req, HttpServletResponse resp) throws Throwable{
		if(null == toUrl){
			return false;
		}
		req.setCharacterEncoding("UTF-8");
		resp.setCharacterEncoding("UTF-8");
		try {
//			URL url = new URL("http://lowanty.eicp.net:13148/weixin");
//			URL url = new URL("http://lowanty.usa.cc");
			URL url = new URL(toUrl);
//			URL url = new URL("http://x.co/3VJcT");
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setDoInput(true);
			conn.setDoOutput(true);
			conn.setReadTimeout(3000);
			conn.setRequestMethod("POST");
			//
			ServletInputStream in = req.getInputStream();
			OutputStream o = conn.getOutputStream();
			byte[] bs = new byte[1024];
			while(-1!=in.read(bs)){
				o.write(bs);
			}
			int res = conn.getResponseCode();
			if (res == 200) {
				//
				InputStream ins = conn.getInputStream();
				InputStreamReader inputStreamReader = new InputStreamReader(ins,"UTF-8");
				BufferedReader reader = new BufferedReader(inputStreamReader);
				StringBuilder sb = new StringBuilder();
				String str;
				while((str=reader.readLine()) != null){
					sb.append(str);
					sb.append("\n");
				}
				resp.getWriter().write(sb.toString().trim());
				resp.getWriter().flush();
//				ServletOutputStream os = resp.getOutputStream();
//				while(-1!=ins.read(bs)){
//					os.write(bs);
//				}
//				os.close();
				return true;
			}
		} catch (Exception e1) {
		}		
		return false;
	}
	public static void main(String[] args) {
		String ss = "skdjl&ds&";
		System.out.println(ss.substring(0, ss.length()-1));
	}
	
	public boolean toGet(HttpServletRequest req, HttpServletResponse resp) throws Throwable{
		if(null == toUrl){
			return false;
		}
		req.setCharacterEncoding("UTF-8");
		resp.setCharacterEncoding("UTF-8");
		try{
//			String signature = (String) req.getParameter("signature");
//			String timestamp = (String) req.getParameter("timestamp");
//			String nonce = (String) req.getParameter("nonce");
//			String echostr = (String) req.getParameter("echostr");
			Map<String, String[]> params = req.getParameterMap();
			StringBuilder sbu = new StringBuilder("?");
			for(String key : params.keySet()){
				String[] ss = params.get(key);
				if(null != ss && 1 == ss.length){
					sbu.append(key+"="+ss[0]);
					sbu.append("&");
				}
			}
			String s = sbu.toString();
			if(s.endsWith("&")){
				s = s.substring(0, s.length()-1);
				s = toUrl+s;
			}else{
				s = toUrl;
			}
			URL url = new URL(s);
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setDoInput(true);
			conn.setDoOutput(true);
			conn.setReadTimeout(3000);
			conn.setRequestMethod("GET");
			//
//			ServletInputStream in = req.getInputStream();
//			OutputStream o = conn.getOutputStream();
//			byte[] bs = new byte[1024];
//			while(-1!=in.read(bs)){
//				o.write(bs);
//			}
			int res = conn.getResponseCode();
			if (res == 200) {
				//
				InputStream ins = conn.getInputStream();
				InputStreamReader inputStreamReader = new InputStreamReader(ins,"UTF-8");
				BufferedReader reader = new BufferedReader(inputStreamReader);
				StringBuilder sb = new StringBuilder();
				String str;
				while((str=reader.readLine()) != null){
					sb.append(str);
					sb.append("\n");
				}
				resp.getWriter().write(sb.toString().trim());
				resp.getWriter().flush();
//				ServletOutputStream os = resp.getOutputStream();
//				while(-1!=ins.read(bs)){
//					os.write(bs);
//				}
//				os.close();
				return true;
			}
		}catch(Exception e){
		}
//		List<String> list = new ArrayList<String>();
//		list.add("lowanty");
//		list.add(timestamp);
//		list.add(nonce);
//		if(null != signature && null != timestamp && null != nonce && null != echostr){
//			String[] arrays = new String[]{"lowanty",timestamp,nonce};
//			Arrays.sort(arrays);
//			String str = arrays[0]+arrays[1]+arrays[2];
//			String s = SHA1.hex_sha1(str);
//			if(s.equals(signature)){
//				resp.getWriter().write(echostr);
//				resp.getWriter().flush();
//			}
//			return;
//		}
//		doPost(req, resp);
		return false;
	}
	public boolean to(HttpServletRequest request, HttpServletResponse resp) throws Throwable {
		String method = request.getMethod();
		if("GET".equals(method)){
			return toGet(request, resp);
		}else if("POST".equals(method)){
			return toPost(request, resp);
		}
		return false;
	};
}