HelloServlet
package hello.javax.servlet;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class HelloServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* Default constructor.
*/
public HelloServlet() {
}
protected void doService(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
ServletContext context = getServletContext();
RequestDispatcher rd = context.getRequestDispatcher("/output.jsp");
rd.forward(request, response);
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
* response)
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doService(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
* response)
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doService(request, response);
}
@Override
public void init(ServletConfig config) throws ServletException {
System.out.println("init");
String value = config.getInitParameter("p");
System.out.println(value);
}
@Override
public void destroy() {
System.out.println("destroyed");
}
}