<%-- * Copyright (c) 2000 David Flanagan. All rights reserved. * This code is from the book Java Examples in a Nutshell, 2nd Edition. * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied. * You may study, use, and modify it for any non-commercial purpose. * You may distribute it non-commercially as long as you retain this notice. * For a commercial use license, or to purchase the book (recommended), * visit http://www.davidflanagan.com/javaexamples2. --%> <%@page language='java' contentType='text/html'%> <%-- On every JSP page --%> <%-- Specify a tag library to use in this file --%> <%@taglib uri='http://www.davidflanagan.com/tlds/decor_0_1.tld' prefix='decor'%> <%-- Include the JSP code from forcelogin.jsp when this page is compiled --%> <%-- The included file checks if the user is logged in, and if not, --%> <%-- forwards to the login.jsp page to get a username and password. This --%> <%-- ensures that the 'username' attribute is defined in the session. --%> <%@include file='forcelogin.jsp'%> <%-- Declare a new variable named 'user'. It is an instance of UserBean --%> <%-- and it is associated with the session object. If this is a new --%> <%-- session, then instantiate the bean and set its 'userName' property --%> <%-- to the value of the username from the session. --%> <%-- Each time this page is displayed, set the 'favoriteColor' property of --%> <%-- the 'user' bean. Since no 'value' parameter is supplied, set the --%> <%-- property to the 'favoriteColor' parameter of the incoming request, if --%> <%-- there is a parameter of that name; otherwise don't set the property. --%> <%-- Begin to output the page. Note the use of the JSP to include a Java --%> <%-- expression within the HTML tag. This is an explicit use of --%> <%-- 'user' bean declared above. --%> The Demo Portal <%-- Greet the user by invoking the hello servlet and including its output --%> <%-- here. The hello servlet expects to find the username in the session --%> <%-- where the login.jsp page stored it. Note the difference between --%> <%-- this runtime jsp:include tag and the @include directive used above --%> <%-- to include the forcelogin.jsp file at compile-time. --%>

<%-- Display a box using our 'decor' tag library, and as its content --%> <%-- use the value of the 'customContent' property of the 'user' bean --%> <%-- Hopefully, the bean will provide interesting content tailored --%> <%-- to the specified user --%> <%-- Begin another box --%> <%-- The content of this box is a table with 2 cells side-by-side --%>

<%-- This is the second cell of the table. It contains a form for --%> <%-- selecting a favorite color. Note the technique used to output the --%> <%--
<%-- The first cell is another box. It displays some text and the value--%> <%-- of the 'favoriteColor' property of the 'user' bean --%> Your favorite color is:
<%-- Begin the form --%> object --%> <% // Begin a Java scriptlet // Ask the bean for the list of color choices, and the user's favorite String[] colors = user.getColorChoices(); String favorite = user.getFavoriteColor(); // Now start looping through the list of colors. The body of this loop // is the HTML and JSP code below. for(int i = 0; i < colors.length; i++) { %> <%-- End the scriptlet --%> <%-- Each time through the loop, we'll output an <%}%> <%-- End the for loop --%> <%-- End the <%-- Submit button for the form --%>
<%-- End the form--%>
<%-- End of 2nd cell and the table --%> <%-- End of the box --%> <%-- Begin a new box. This one also contains a 2-cell table --%>
<%-- The first table cell is a simple form that allows the user to logout --%> <%-- See Logout.java for details --%>
<%-- The second item in the box is another box that displays counts --%> <%-- We use jsp:include twice more to invoke the Counter servlet. --%> <%-- Note that for the 2nd inclusion, we rely on the fact that the web.xml --%> <%-- file maps any URL ending in ".count" to the Counter servlet --%> 		You have visited times. The portal has been visited times.