| package org.eclipse.uomo.examples.units.android.web.sandbox; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** |
| * Servlet implementation class Tempconv |
| */ |
| public class Tempconv extends HttpServlet { |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse |
| * response) |
| */ |
| public void doGet(HttpServletRequest in, HttpServletResponse output) |
| throws ServletException, IOException { |
| |
| output.setContentType("text/html"); |
| PrintWriter out = output.getWriter(); |
| |
| out.println("<html><head><title>Temperature Conversion</title></head>"); |
| out.println("<body>"); |
| out.println("<h1>Degrees F to degrees C conversion</h1>"); |
| if (in.getParameter("t_in") != null) { |
| String supplied_temp = in.getParameter("t_in"); |
| float base_temp = -999; |
| boolean valid = false; |
| try { |
| base_temp = Float.parseFloat(supplied_temp); |
| valid = true; |
| } catch (NumberFormatException e) { |
| out.println("<h4><font color=red>" |
| + "Invalid Temperature Supplied</font></h4)<br>"); |
| } |
| if (valid) { |
| out.println("<h4>Temperature " + base_temp |
| + " deg f converts to " |
| + ((((float) base_temp - 32.0f) / 9.0f) * 5.0f) |
| + " deg celcius </h4>"); |
| } |
| } |
| out.println("<form>Enter degrees F: "); |
| out.println("<input name=t_in>"); |
| out.println("<input type=submit></form><br>"); |
| |
| out.println("<a href=index.jsp>Return to home page of this webapp</a><br><br>"); |
| out.println("Initial contribution by Well House Consultants Ltd<br>"); |
| out.println("web <a href=http://www.wellho.net>http://www.wellho.net</a><br>"); |
| out.println("email <a href=mailto:info@wellho.net>info@wellho.net</a><br>"); |
| out.println("</body></html>"); |
| out.close(); |
| } |
| |
| } |
