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/ch2/jspController/Controller.jsp /ch2/jspController/Controller.jsp

<%
  //The address of the JSP will be stored as a string.
  String address;
  
  //Set the value of the address to the URL of the page 
  //that is associated with the button that was pressed.
  //This 'if' statement is translating a button name to
  //a URL. 
  //As the author of the controller, you have knowledge 
  //of all the pages that it controls. You must test for
  //the button that was clicked by testing if its name in
  //in the query string using the 'getParameter' method. 
  //Only the button that was clicked will have its name in
  //the query string.
  if (request.getParameter("processButton") != null)
  {
    address = "Process.jsp";   
  } 
  else if (request.getParameter("confirmButton") != null)
  {
    address = "Confirm.jsp";
  }
  else 
  {
    address = "Edit.jsp";  
  }
  
  //Create a request dispatcher for the address 
  //and forward the request and response objects to it.
  RequestDispatcher dispatcher = 
          request.getRequestDispatcher(address);
  dispatcher.forward(request, response);
%>

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