Hey Joe,
Ever ask a question and then, when you see the answer, feel like a
fool cause the answer seems so simple? hehee.
Thank you so much for that! It works BEAUTIFULLY! This approach is
so damn clean compared to the stupid urlconnection one. :)
With clients now a days wanting superfast content yet still using
28.8k modems, this will keep them happy for the next few days. :P
-Tim
-----Original Message-----
From: Joe Cheng [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 24, 2002 10:52 AM
To: [EMAIL PROTECTED]
Subject: Re: serverside caching of a jsp
Yes, there are two ways I know of. The best way is to write a tag that does
this for you. In other words:
<a:cache id="thispage.jsp_js1" timetolive="200">
<%-- any arbitrary JSP/HTML/JavaScript here --%>
</a:cache>
Capturing the output is quite easy to do if you're familiar with writing
tags. Just extend BodyTagSupport, and in the doAfterBody() call
bodyContent.getString(). (The harder part will be the actual
caching--making sure it works properly when multithreaded, etc. But I bet
you can find lots of good caching implementations on the web.)
The second way is to just use JSP to hack it. In fact, since your rendered
JavaScript is not going to change over time, you could probably just do
this.
<%! private static String jScriptOutput = null; %>
<%
if (jScriptOutput != null) {
out.print(jScriptOutput);
} else {
javax.servlet.jsp.tagext.BodyContent bc = pageContext.pushBody();
out = bc;
%>
<%-- any arbitrary JSP/HTML/JavaScript here --%>
<%
out = pageContext.popBody();
jScriptOutput = bc.getString();
out.print(jScriptOutput);
}
%>
Either of these methods is going to require at least JSP 1.1 / Servlet 2.2,
I believe (i.e. Tomcat 3.x).
-jmc
===========================================================================
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST
DIGEST".
Some relevant FAQs on JSP/Servlets can be found at:
http://archives.java.sun.com/jsp-interest.html
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.jsp
http://www.jguru.com/faq/index.jsp
http://www.jspinsider.com
===========================================================================
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST".
Some relevant FAQs on JSP/Servlets can be found at:
http://archives.java.sun.com/jsp-interest.html
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.jsp
http://www.jguru.com/faq/index.jsp
http://www.jspinsider.com
