hi all...
for those of you into servlet engine/JSP page compilation
implementation: name some of the performance tweaks that can be
lost by using the "extends" directive? what about the "implements"
directive of JSP 0.9x?
thanks for the info,
p
--
// Paul Holser (mailto:[EMAIL PROTECTED])
// ObjectSpace, Inc.
// The Leader in Business-to-Business Solutions
// http://www.objectspace.com
> -----Original Message-----
> From: Jim Bailey [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, April 27, 2000 11:09 AM
> To: [EMAIL PROTECTED]
> Subject: Re: URGENT : How do i extend a JSP page ?
>
>
> Here is what we are doing at Cambridge Interactive with
> Resin. It works
> correctly though it bypasses Resin's optimizations. We are
> porting from a
> JSP 0.91 version though so we are willing to take that hit
> (temporarily I
> hope). It isn't a recommended design though. You could be
> losing a lot of
> performance tweaks by using the extends page directive with JSP 1.x.
>
> public abstract class CIServlet
> extends javax.servlet.http.HttpServlet
> implements HttpJspPage, SingleThreadModel
> {
> public abstract void _jspService(
> HttpServletRequest request,
> HttpServletResponse response )
> throws ServletException, IOException;
>
> public void jspDestroy()
> {
> }
>
> public void jspInit()
> {
> }
>
> public synchronized void service(
> HttpServletRequest request,
> HttpServletResponse response )
> throws ServletException, IOException
> {
> _jspService( request, response );
> }
> }
>
> Jim Bailey
> <mailto:[EMAIL PROTECTED]>
> <http://www.cinteractive.com>
>
> -----Original Message-----
> From: �arendra Acharya [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, April 27, 2000 10:02 AM
> To: [EMAIL PROTECTED]
> Subject: URGENT : How do i extend a JSP page ?
>
>
> Hi everybody,
>
> I'm trying to extend my own class using a JSP.
> The spec says that the superclass:
> 1. should implement HttpJspPage
> 2. al the methods in the Servlet interface are declared final
>
> additionally, JSP author should have in the superclass :
> - the service() method of the Servlet API invoke the _jspService()
> - init(ServletConfig) method stores the configuration, makes it =
> available as getServletConfig, then invokes jspInt
> - the destroy() method invokes jspDestroy
>
> now i'm using JRUN and i just checked out the .java file
> created by it :
> it has the following signature:
> public class myacct extends com.livesoftware.jsp.HttpJSPServlet =
> implements com.livesoftware.jsp.JRunJspPage, HttpJspPage=20
> Can somebody please tell me if i have to have my own superclass :
> 1. What class should my super class extend ? (in the context
> of using =
> JRUN)
> 2. what classes should my super class implement ? (in the context of =
> using JRUN)
> 3. What should be there in the init()/destroy() method ? (in
> the context =
> of using JRUN)
> 3.1 by default
> 3.1 in case i don't have to initialize/destroy any objects for my =
> project
>
> Many thanx in advance
>
> regards
> narendra
> P.S. i tried to send this mail twice using Outlook Express but it was
> returned back
> saying that this mail contained an attachment ..??? anybody
> know if Outlook
> Express somehow "attaches" anything ?
>
> ==============================================================
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> Some relevant FAQs on JSP/Servlets can be found at:
>
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
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===========================================================================
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Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
===========================================================================
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
