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JSP tricks to make templating easier?
I'm new to JSPs and Servlets, I'm wondering is there a neat way to create a layout jsp and reuse it on similar jsp pages, something like asp.net master pages.
I googled it, some people say use templates http://java.sun.com/developer/technicalArticles/javaserverpages/jsp_templates that uses jstl tag library. It says to put a tag like this:
<%@ taglib uri='/WEB-INF/tlds/template.tld' prefix='template' %> but I get error (because jstl.jar and standard.jar are in WEB-INF/lib/ directory).
However some say jstl template have problems according to this Struts OR Tiles OR ???...... JSP template solution
I would be glad to help me know the best way.
EDIT: What I need is to split page's layout into parts like content, header,... and set this parts in the page that uses the layout template, exactly like asp.net master page.
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Templates are JSP files that include parameterized content. The templates discussed in this article are implemented with a set of custom tags: template:get , template:put , and template:insert . The template:get tag accesses parameterized content, as illustrated in Example 2.
Scriptlet tag This tag allow user to insert java code in JSP.
FreeMarker: An open alternative to JSP.
To include JSP in another JSP file, we will use <jsp:include /> tag. It has a attribute page which contains name of the JSP file.
Put the following in WEB-INF/tags/genericpage.tag
<%@tag description="Overall Page template" pageEncoding="UTF-8"%> <%@attribute name="header" fragment="true" %> <%@attribute name="footer" fragment="true" %> <html> <body> <div id="pageheader"> <jsp:invoke fragment="header"/> </div> <div id="body"> <jsp:doBody/> </div> <div id="pagefooter"> <jsp:invoke fragment="footer"/> </div> </body> </html> To use this:
<%@page contentType="text/html" pageEncoding="UTF-8"%> <%@taglib prefix="t" tagdir="/WEB-INF/tags" %> <t:genericpage> <jsp:attribute name="header"> <h1>Welcome</h1> </jsp:attribute> <jsp:attribute name="footer"> <p id="copyright">Copyright 1927, Future Bits When There Be Bits Inc.</p> </jsp:attribute> <jsp:body> <p>Hi I'm the heart of the message</p> </jsp:body> </t:genericpage> That does exactly what you think it does!
This was part of a great answer by Will Hartung on this link.
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