GenericServlet: getInitParameter(String arg0) : GenericServlet « javax.servlet « Java by API






GenericServlet: getInitParameter(String arg0)

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;

public class MainServlets extends HttpServlet {

  int count;

  public void init() throws ServletException {
    String initial = getInitParameter("initial");
    try {
      count = Integer.parseInt(initial);
    } catch (NumberFormatException e) {
      count = 0;
    }
  }

  public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,
      IOException {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();
    count++;
    out.println("Since loading (and with a possible initialization");
    out.println("parameter figured in), this servlet has been accessed");
    out.println(count + " times.");
  }
}

           
       








Related examples in the same category

1.GenericServlet: getInitParameterNames()
2.GenericServlet: init()
3.GenericServlet: getServletContext()
4.extends GenericServlet