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Coming from a background in Django, I often use "template inheritance", where multiple templates inherit from a common base. Is there an easy way to do this in JSP? If not, is there an alternative to JSP that does this (besides Django on Jython that is :)
<html> <body> {% block content %} {% endblock %} </body> <html> {% extends "base template" %} {% block content %} <h1>{{ content.title }} <-- Fills in a variable</h1> {{ content.body }} <-- Fills in another variable {% endblock %} Will render as follows (assuming that conten.title is "Insert Title Here", and content.body is "Insert Body Here")
<html> <body> <h1>Insert title Here <-- Fills in a variable</h1> Insert Body Here <-- Fills in another variable </body> <html> 
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You can do similar things using JSP tag files. Create your own page.tag that contains the page structure. Then use a <jsp:body/> tag to insert the contents.
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You can use rapid-framework for JSP template inheritance
base.jsp
%@ taglib uri="http://www.rapid-framework.org.cn/rapid" prefix="rapid" %> <html> <head> <rapid:block name="head"> base_head_content </rapid:block> </head> <body> <br /> <rapid:block name="content"> base_body_content </rapid:block> </body> </html> child.jsp
<%@ taglib uri="http://www.rapid-framework.org.cn/rapid" prefix="rapid" %> <rapid:override name="content"> <div> <h2>Entry one</h2> <p>This is my first entry.</p> </div> </rapid:override> <!-- extends from base.jsp or <jsp:include page="base.jsp"> --> <%@ include file="base.jsp" %> output
<html> <head> base_head_content </head> <body> <br /> <div> <h2>Entry one</h2> <p>This is my first entry.</p> </div> </body> </html> source code
http://rapid-framework.googlecode.com/svn/trunk/rapid-framework/src/rapid_framework_common/cn/org/rapid_framework/web/tags/
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