You should use name.equals("123") instead of use name=="abc"
Please make sure that you understand the difference beetween
name.equals("123") and name=="abc"
-----Original Message-----
From: Roland Dong [mailto:[EMAIL PROTECTED]]
Sent: Sunday, April 01, 2001 4:43 PM
To: Orion-Interest
Subject: Please help me figure out this....
I have login.html calling a servlet (loginHander) which handles
authorization. If user is validated, the servlet will redirect the user to
Welcome.jsp
My problem is I could not pass the value of user and password from
login.html to loginHandler. I set the boolean method loggedIn so that when
user name is
abc and password is 123 the user should log in. However, this somehow can
not be accomplished. Even I entered abc as name and 123 as password, I was
bounced back to login.html page.
I am using Orion 1.47.
Please help!
RB
//Here is loginHander.java
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class LoginHandler extends HttpServlet {
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
// Get the user's name and password
String name = req.getParameter("name");
String passwd = req.getParameter("passwd");
// Check the name and password for validity
if (!loggedIn(name, passwd)) {
out.println("<HTML><HEAD><TITLE>Access Denied</TITLE></HEAD>");
out.println("<BODY>Your login and password are invalid.<BR>");
out.println("You may want to <A HREF=\"/jsp/testing/login.html\">try
again</A>");
out.println("</BODY></HTML>");
}
else {
// Valid login. Make a note in the session object.
HttpSession session = req.getSession(true);
session.setAttribute("logon.isDone", name); // just a marker object
// Try redirecting the client to the page he first tried to access
try {
res.sendRedirect("/jsp/testing/Welcome.jsp");
return;
}
catch (Exception ignored) { }
// Couldn't redirect to the target. Redirect to the site's home page.
res.sendRedirect(req.getScheme() + "://" +
req.getServerName() + ":" + req.getServerPort());
}
}
protected boolean loggedIn(String name, String passwd) {
return (name=="abc" && passwd=="123 ");
}
}
//********************************
//Here is the login.html
<HTML>
<TITLE>Login</TITLE>
<BODY>
<FORM ACTION=/servlet/LoginHandler METHOD=POST>
<CENTER>
<TABLE BORDER=0>
<TR><TD COLSPAN=2>
<P ALIGN=CENTER>
Welcome! Please enter your NnnnName<br>
and Password to log in.
</TD></TR>
<TR><TD>
<P ALIGN=RIGHT><B>Name:</B>
</TD>
<TD>
<P><INPUT TYPE=TEXT NAME="name" VLAUE="" SIZE=15>
</TD></TR>
<TR><TD>
<P ALIGN=RIGHT><B>Password:</B>
</TD>
<TD>
<P><INPUT TYPE=PASSWORD NAME="passwd" VALUE="" SIZE=15>
</TD></TR>
<TR><TD COLSPAN=2>
<CENTER>
<INPUT TYPE=SUBMIT VALUE=" OK ">
</CENTER>
</TD></TR>
</TABLE>
</BODY></HTML>
//*****************************************
//Here is the Welcom.jsp
<% if ( session.getValue("userName") == null) { %>
<B> hello...it is a null<B>
<% // here we can give some error message %>
<% } else {%>
<!------- so this is the authorized user let's display the welcome
message --- >
<HTML>
<HEAD>
<B> Welcome <%= session.getValue("userName")%>
</B>
</HEAD>
<BODY>
<!--- all the other stuff -->
</BODY>
</ HTML>
<% } %>
