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@borncorp
Created July 23, 2014 00:51
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Basic Servlet that sums 2 integers
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="Servlet" method="post">
<input name="Number1" />
<input name="Number2" />
<input type="submit" />
</form>
</body>
</html>
package servletPackage;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class Servlet
*/
@WebServlet(description = "Description of Servlet", urlPatterns = { "/Servlet" })
public class Servlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
PrintWriter writer = response.getWriter();
//Verifies that fields are filled
String Number1= request.getParameter("Number1");
String Number2= request.getParameter("Number2");
System.out.println("Running from Get");
try {
int i= Integer.parseInt(Number1) + Integer.parseInt(Number2);
writer.println("The solution from Get is..." + i);
} catch (NumberFormatException e) {
writer.println("Idiot, you need to put 2 integer numbers.");
e.printStackTrace();
}
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
PrintWriter writer = response.getWriter();
//Verifies that fields are filled
String Number1= request.getParameter("Number1");
String Number2= request.getParameter("Number2");
System.out.println("Running from Post");
try {
int i= Integer.parseInt(Number1) + Integer.parseInt(Number2);
writer.println("The solution from Post is..." + i);
} catch (NumberFormatException e) {
writer.println("Idiot, you need to put 2 integer numbers.");
e.printStackTrace();
}
}
}
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