OperationServlet.java

package org.wso2.iot.firealarm.access;

import org.wso2.iot.firealarm.access.api.Device;
import org.wso2.iot.firealarm.access.api.FirealarmClient;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

public class OperationServlet extends HttpServlet {
	protected void doPost(HttpServletRequest request,
						  HttpServletResponse response)
			throws ServletException, IOException {

		String token=(String)request.getSession(true).getAttribute("token");
		request.setAttribute("errMsg",null);
		if(token==null){
			request.setAttribute("errMsg","Invalid Credential / Unauthorized Access");

			request.getRequestDispatcher("index.jsp").forward(request,response);
		}

		String operation=request.getParameter("operation");
		String username=(String)request.getSession(true).getAttribute("username");
		if(operation.equals("bulb")){
			String deviceId=request.getParameter("deviceId");
			String state=request.getParameter("state");
			FirealarmClient fc=new FirealarmClient();
			String resp=fc.switchBulb(token,username,deviceId,state);
			response.getWriter().print(resp);
		}else if(operation.equals("temp")){
			String deviceId=request.getParameter("deviceId");
			FirealarmClient fc=new FirealarmClient();
			String temperature=fc.getTemperature(token,username,deviceId);
			if(temperature!=null){
//				request.setAttribute("tempReply",temperature);
//				request.getRequestDispatcher("control.jsp").forward(request,response);
				try {
					response.getWriter().print("Temperature is " + Double.parseDouble(temperature) +

													   " C");
				}catch (NumberFormatException e){

					response.getWriter().print(temperature);
				}
			}else{
//				request.setAttribute("errMsg","Connection Failed try again later");
//				request.setAttribute("tempReply",null);
//				request.getRequestDispatcher("control.jsp").forward(request,response);
				response.getWriter().print("Connection Failure,Try again later");
			}
		}

	}



	protected void doGet(HttpServletRequest request,
						 HttpServletResponse response)
			throws ServletException, IOException {

		String token=(String)request.getSession(true).getAttribute("token");
		request.setAttribute("errMsg",null);
		if(token==null){
			request.setAttribute("errMsg","Invalid Credential / Unauthorized Access");

			request.getRequestDispatcher("index.jsp").forward(request,response);
		}
		request.getRequestDispatcher("control.jsp").forward(request,response);

	}
}