servlets

[kiruthika raghunathan]

In a servlet how to send a data which is obtained in one servlet to another one servlet?
for example:
Iam writing a servlet to input an username and in this servlet iam checking whether the length is > than zero and i donno how to pass that name to another servlet where it is checked and then dispaly some message or something

[P. Udaya Shankar]

hi,
use request dispatcher to the desired servlet
catch the request do the processing
RequestDispatcher rd =null;
rd=getServletContext().getRequestDispatcher("/");
hope this will use for u

[kiruthika raghunathan]

String username = request.getParameter("username");
if ( username != null && username.length() > 0 ) {
RequestDispatcher dispatcher =
getServletContext().getRequestDispatcher("/response");
if (dispatcher != null)
dispatcher.include(request, response);
I have done this in the first servlet i have to pass the name to another servlet and check it there
donno how to get it in that servlet?

[Frank Carver]

It may be a silly question, but why does the code which checks the username need to be a servlet? Would it not make more sense just to use a regular java class, and simply call a method, passing in the username as a parameter?

[Anonymous]

try this
getServletContext().getRequestDispatcher("/response").forward(HttpServletRequest,HttpServletResponse);

[Praful Thakare]

Adding more to Franks post,cant it be done thru javascript?
Removing HttpR,HttpR from to Nirants post,
getServletContext().getRequestDispatcher("/response").forward(request,response);
cheers
Praful
[ December 08, 2003: Message edited by: Praful Thakare ]

[Mike Cronin]

How about storing the username to a session variable, then retrieving that session variable in the second servlet.