Taglibs and included pages

2002-04-03 Thread Bryan P. Glennon

I'm seeing some strange (or maybe intended) behavior with taglibs and
included files. Here's what I do:

%@ taglib prefix=bean uri=/WEB-INF/struts-bean.tld %
%@ taglib prefix=html uri=/WEB-INF/struts-html.tld %

Normal JSP/HTML stuff...

html:form  action=/action.do style=margin-botton:0m 

TABLE
jsp:include page=/Common/foo1.jsp/
!-- Page specific rows go here --
/TABLE
HR
TABLE
jsp:include page=/Common/foo2.jsp/
!-- More page specific rows here --
/TABLE

/html:form

More standard jsp/html

(foo1 and foo2 just contain table rows but do use the struts bean tag.)

The problem is with the two include files. If I don't repeat the %
taglib declarations 
in the included files, they don't work. It seems to me that once the
libs are declared, 
that declaration should hold for the remainder of the page. I'm sure I'm
missing something
here, and I'm looking for enlightenment. 

Any info is appreciated.

Cheers,
Bryan


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Re: Taglibs and included pages

2002-04-03 Thread Shawn Bayern

On Wed, 3 Apr 2002, Bryan P. Glennon wrote:

 The problem is with the two include files. If I don't repeat the %
 taglib declarations in the included files, they don't work. It seems
 to me that once the libs are declared, that declaration should hold
 for the remainder of the page. I'm sure I'm missing something here,
 and I'm looking for enlightenment.

When you include files with %@ include %, they are incorporated into the
source file, and you wouldn't need to re-declare taglibs with %@ taglib
%.  However, jsp:include lets you include full, stand-alone pages (and
other resources).  More formally, jsp:include includes a separate
translation unit, so the target page will still need its own declarations.

-- 
Shawn Bayern
Author, JSP Standard Tag Library  http://www.jstlbook.com
(coming this summer from Manning Publications)


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RE: Taglibs and included pages - correction

2002-04-03 Thread Bryan P. Glennon

As opposed to what I say below, leaving the %@ taglib declarations out
of foo1 is ok - it displays fine.

Thanks,
Bryan



-Original Message-
From: Bryan P. Glennon 
Sent: Wednesday, April 03, 2002 6:27 PM
To: [EMAIL PROTECTED]
Subject: Taglibs and included pages


I'm seeing some strange (or maybe intended) behavior with taglibs and
included files. Here's what I do:

%@ taglib prefix=bean uri=/WEB-INF/struts-bean.tld %
%@ taglib prefix=html uri=/WEB-INF/struts-html.tld %

Normal JSP/HTML stuff...

html:form  action=/action.do style=margin-botton:0m 

TABLE
jsp:include page=/Common/foo1.jsp/
!-- Page specific rows go here --
/TABLE
HR
TABLE
jsp:include page=/Common/foo2.jsp/
!-- More page specific rows here --
/TABLE

/html:form

More standard jsp/html

(foo1 and foo2 just contain table rows but do use the struts bean tag.)

The problem is with the two include files. If I don't repeat the %
taglib declarations
in the included files, they don't work. It seems to me that once the
libs are declared, 
that declaration should hold for the remainder of the page. I'm sure I'm
missing something here, and I'm looking for enlightenment. 

Any info is appreciated.

Cheers,
Bryan


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mailto:[EMAIL PROTECTED]
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mailto:[EMAIL PROTECTED]


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Re: Taglibs and included pages

2002-04-03 Thread David M. Karr

 Bryan == Bryan P Glennon [EMAIL PROTECTED] writes:

Bryan I'm seeing some strange (or maybe intended) behavior with taglibs and
Bryan included files. Here's what I do:

Bryan %@ taglib prefix=bean uri=/WEB-INF/struts-bean.tld %
Bryan %@ taglib prefix=html uri=/WEB-INF/struts-html.tld %

Bryan Normal JSP/HTML stuff...

Bryan html:form  action=/action.do style=margin-botton:0m 

Bryan TABLE
Bryan  jsp:include page=/Common/foo1.jsp/
Bryan  !-- Page specific rows go here --
Bryan /TABLE
Bryan HR
Bryan TABLE
Bryan  jsp:include page=/Common/foo2.jsp/
Bryan  !-- More page specific rows here --
Bryan /TABLE

Bryan /html:form

Bryan The problem is with the two include files. If I don't repeat the %
taglib declarations 
Bryan in the included files, they don't work. It seems to me that once the
Bryan libs are declared, 
Bryan that declaration should hold for the remainder of the page. I'm sure I'm
Bryan missing something
Bryan here, and I'm looking for enlightenment. 

It helps to understand how the JSP include action works, as opposed to the
include directive.  Your main JSP and your included JSP pages are all
compiled into individual servlets.  They have to be able to work independently
(even if they're generating only a fragment of the output).

The include action happens at execution time, whereas the include directive
happens at compile time.  You could get away with leaving out the taglib
declarations in the included pages if they were included with the directive,
but not if they were included with the action.

-- 
===
David M. Karr  ; Java/J2EE/XML/Unix/C++
[EMAIL PROTECTED]


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