An instanceOf tag does exist in the Jakarta Taglibs 'Unstandard' taglib. http://jakarta.apache.org/taglibs/sandbox/doc/unstandard-doc/intro.html
That's the only place I know of. Steve > -----Original Message----- > From: Joe Germuska [mailto:[EMAIL PROTECTED] > Sent: March 21, 2004 6:33 AM > To: Struts Users Mailing List > Subject: Re: Does instanceof work? > > > At 1:31 PM +0000 3/21/04, Frank Burns wrote: > >I've tried the Struts logic and the JSTL tag version of > instanceof, like > >these (below), but get errors returned implying that > instanceof doesn't > >exist as a valid option. > >Does it exist? Am I doing something wrong? Can someone give > me an example, > >please? > > As far as I know, it simply doesn't exist. The full array of tags in > the Struts logic taglib (from CVS HEAD) can be found at > http://jakarta.apache.org/struts/userGuide/struts-logic.html (For > older versions of struts, consult the documentation included in the > distribution, although I don't recall any major changes happening in > this area recently.) > > As for the JSTL expression language, I've never seen reference to an > "instanceof" operator. Note that the expression language is not > simply "${any java you like}" Here's one reference to consult: > > http://www.manning-source.com/books/bayern/bayern_apxA.pdf > > If you really wanted, you could probably extend ConditionalTagBase > and implement your own. > http://jakarta.apache.org/struts/api/org/apache/struts/taglib/ logic/ConditionalTagBase.html Joe -- Joe Germuska [EMAIL PROTECTED] http://blog.germuska.com "Imagine if every Thursday your shoes exploded if you tied them the usual way. This happens to us all the time with computers, and nobody thinks of complaining." -- Jef Raskin --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
