import java.io.*; import javax.servlet.*; import javax.servlet.http.*; /** * This is a simple example of an HTTP Servlet. It responds to the GET * and HEAD methods of the HTTP protocol. */ public class SensorStatus extends HttpServlet { rs485 rs = rs485.getInstance(); /** * Handle the GET and HEAD methods by building a simple web page. * HEAD is just like GET, except that the server returns only the * headers (including content length) not the body we write. */ public void doGet (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter out; String title = "Sensor status"; // set content type and other response header fields first response.setContentType("text/html"); // then write the data of the response out = response.getWriter(); rs.requestSensorStatus(); int header = rs.readData(); int address = rs.readData(); int command = rs.readData(); int data1 = rs.readData(); int data2 = rs.readData(); int data3 = rs.readData(); int trailer = rs.readData(); out.println(""); out.println(""); out.println("

" + title + "

"); out.println("return to Home page"); out.println("

Sensor status
"); out.println(""); //first row front door status int temp_byte = (byte) data1; out.println(""); out.println(""); out.println(""); out.println(""); //second row back door status temp_byte = (byte) data1; out.println(""); out.println(""); out.println(""); out.println(""); // third row garage door temp_byte = (byte) data1; out.println(""); out.println(""); out.println(""); out.println(""); out.println(""); out.println("
"); out.println("Front Door"); out.println("
"); if ((0x08 & temp_byte) == 0x00) out.println("Closed"); else out.println("Open"); out.println("
"); out.println("Back Door"); out.println("
"); if ((0x04 & temp_byte) == 0x04) out.println("Closed"); else out.println("Open"); out.println("
"); out.println("Garage door"); out.println("
"); if ((0x02 & temp_byte) == 0x00) out.println("Closed"); else out.println("Open"); out.println(""); // fourth row out.println("
"); out.println("Toggle switch"); out.println("
"); out.println(""); out.close(); } }