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Forum:
Servlets
Requested Dispatcher
Ram Kas
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posted 18 years ago
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Can anybody provide me with good example on how to use RequestDispatcher?
Thanks in advance.
Dinakar.K
Bear Bibeault
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posted 18 years ago
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What did you not understand after reading the API description?
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Ram Kas
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posted 18 years ago
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The following is my code. I am not sure if it is right or wrong but I don't see HelloWorldExample page.
IndexServlet
import javax.servlet.*; import javax.servlet.http.*; import java.io.*; public class IndexServlet extends HttpServlet{ public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException{ PrintWriter out = res.getWriter(); out.println("<HTML>"); out.println("<BODY>"); out.println("<form action = 'LoginServlet' method = 'GET' >"); out.println("<input type = 'text' name = 'username'>"); out.println("<input type = 'text' name = 'password'>"); out.println("<input type = 'submit' value = 'submit'>"); out.println("</form>"); out.println("</BODY>"); out.println("</HTML>"); } }
LoginServlet
import javax.servlet.*; import javax.servlet.http.*; import java.io.*; public class LoginServlet extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { PrintWriter out = res.getWriter(); String username = req.getParameter("username"); String password = req.getParameter("password"); if(username!= null && password != null && username.equals("james") && password.equals("007")) { out.println("Logged in successfully"); [B]RequestDispatcher rd = req.getRequestDispatcher("/servlet/HelloWorldExaxmple"); rd.forward(req,res);[/B] } else{ out.println("Login Failed"); } } }
Bear Bibeault
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posted 18 years ago
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Does the
servlet
work when you type the URL in by hand?
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Ram Kas
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posted 18 years ago
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Yep
Bear Bibeault
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Pulling teeth: have you verified that it is indeed executing the if-branch that contains the invocation of the dispatcher?
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Bear Bibeault
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OK, so it turns out you have been completely wasting my time because you cross-posted the question in another topic.
Closing this topic.
[ August 02, 2006: Message edited by: Bear Bibeault ]
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