passparam2.java

java2 primer plus一书源程序

/*
 * PassParam2.java
 *
 * Created on June 22, 2002, 5:25 PM
 */

import javax.servlet.*;
import javax.servlet.http.*;
import com.samspublishing.jpp.ch21.*;


/**
 *
 * @author  Stephen Potts
 * @version
 */
public class PassParam2 extends HttpServlet
{
   
   /** Initializes the servlet.
    */
   public void init(ServletConfig config) throws ServletException
   {
      super.init(config);
      
   }
   
   /** Destroys the servlet.
    */
   public void destroy()
   {
      
   }
   
   /** Processes requests for both HTTP <code>GET</code>
    * and <code>POST</code> methods.
    * @param request servlet request
    * @param response servlet response
    */
   protected void processRequest(HttpServletRequest request,
   HttpServletResponse response)
   throws ServletException, java.io.IOException
   {
      response.setContentType("text/html");
      java.io.PrintWriter out = response.getWriter();
      
      System.out.println("Creating the HTMLBuilder");
      HTMLBuilder hb = new HTMLBuilder();
      String htmlOutput = hb.formatResponse(request);
      out.println(htmlOutput);
      System.out.println("Response was formatted by HTMLBuilder");
      
      
      out.close();
   }
   
   /** Handles the HTTP <code>GET</code> method.
    * @param request servlet request
    * @param response servlet response
    */
   protected void doGet(HttpServletRequest request,
   HttpServletResponse response)
   throws ServletException, java.io.IOException
   {
      processRequest(request, response);
   }
   
   /** Handles the HTTP <code>POST</code> method.
    * @param request servlet request
    * @param response servlet response
    */
   protected void doPost(HttpServletRequest request,
   HttpServletResponse response)
   throws ServletException, java.io.IOException
   {
      processRequest(request, response);
   }
   
   /** Returns a short description of the servlet.
    */
   public String getServletInfo()
   {
      return "Short description";
   }
   
}