Dispatching Requests

First, call the getRequestDispatcher method 

of ServletContext

Supply a URL relative to the Web application root

Example

String url = "/presentations/presentation1.jsp";

RequestDispatcher dispatcher =

getServletContext().getRequestDispatcher(url);

Second

Call 

forward

to completely transfer control 

to destination page. See following example

Call include to insert output of destination page 

and then continue on. See book.

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Forwarding Requests: 

Example Code

public void doGet(HttpServletRequest request,

HttpServletResponse response)

throws ServletException, IOException {

String operation = request.getParameter("operation");

if (operation == null) {

operation = "unknown";

}

if (operation.equals("operation1")) {

gotoPage("/operations/presentation1.jsp",

request, response);

} else if (operation.equals("operation2")) {

gotoPage("/operations/presentation2.jsp",

request, response);

} else {

gotoPage("/operations/unknownRequestHandler.jsp",

request, response);

}

}

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