Package com.game.cloudymon

Source Code of com.game.cloudymon.PlayServlet

package com.game.cloudymon;

import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Logger;

import javax.servlet.http.*;


import com.game.cloudymon.bean.PlayBean;
import com.game.cloudymon.entity.RouteMap;
import com.game.util.Encryption;
import com.game.util.ResourceReader;

import com.google.appengine.repackaged.org.json.JSONObject;


@SuppressWarnings("serial")
public class PlayServlet extends HttpServlet
{
  public static Logger logger = Logger.getLogger("PlayServlet");
 
 
  public void doGet(HttpServletRequest req, HttpServletResponse resp)
  {
    try
    {
      doProcess(req, resp);
    } catch (Exception e)
    {
      logger.severe(e.getMessage());
    }
  }
 
  public void doPost(HttpServletRequest req, HttpServletResponse resp)
  {
    try
    {
      doProcess(req, resp);
    } catch (Exception e)
    {
      logger.severe(e.getMessage());
    }
  }
 
  public void doProcess(HttpServletRequest req, HttpServletResponse resp)
  {
    try
    {
      String param = req.getParameter("param").toLowerCase();
     
      if (param == null || param.isEmpty())
      {
        logger.severe("Invalid params.");
        return;
      }
     
     
      param = param.replace(' ', '+');
     
      String jsonParam = Encryption.decrypt(param);
      JSONObject jsonObj = new JSONObject(jsonParam);
     
      String action = jsonObj.getString("action");
     
      switch (action)
      {
        case "getroutemap":
          // http://localhost:8888/play?param={"action":"getroutemap","lat":"10.75918","lng":"106.662498"}
          doGetRouteMap(req, resp, jsonObj);
          break;
        default:
          break;
      }

    } catch (Exception e)
    {
      logger.severe(e.getMessage());
    }
  }
 
  private void returnVal(HttpServletResponse resp, String jsonStr) throws Exception
  {
    resp.setContentType("text/plain");
    resp.getWriter().write(Encryption.encrypt(jsonStr));
  }

  private void doGetRouteMap(HttpServletRequest req, HttpServletResponse resp, JSONObject jsonObj)
  {
    try
    {
      Double lat = jsonObj.getDouble("lat");
      Double lng = jsonObj.getDouble("lng");
     
      RouteMap routeMap = PlayBean.getRouteMapByLatLng(lat, lng);
     
      returnVal(resp, routeMap.toJSON());
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }

}
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