Xalan extension functions 2007-05-02 - By Rick Gordon
yes, that's what i'm saying - switching to 2.7 Xalan (and the updated
BSF and Rhino) caused the problem.
it'll take me a little bit to setup the test again to generate a stack
trace. I think it was when
trying to use TransformerFactory.newInstance() but I don't recall the
rest right now.
Kevin Cormier wrote:
> Hi Rick,
>
> Just to clarify, are you saying that the exact same stylesheets and
> extension functions that worked with Xalan 2.6.0 do not work with 2.7.0?
>
> Can you provide the stack trace of the exception that you're seeing?
>
> Kevin Cormier
> Software Developer, XSLT Development
> IBM Toronto Lab, D1-435
> E-mail: kcormier@(protected)
>
>
>
> Rick Gordon
> <rgordon@(protected)
> .com> To
>
> 04/27/2007 04:09 cc
> PM xalan-j-users@(protected)
> Subject
> Re: Xalan extension functions
>
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> It certainly seems like a classpath problem in my case as well, but BSF
> is available, and seems to be installed
> correctly. Yet I haven't been able to figure out where its trying to
> load it from and why. Paths are further
> complicated by running under Tomcat I know.
>
> Normally we put Xalan-J.jar, bsf.jar, js.jar into
> tomcat5/common/endorsed/ and it pulls them from the correct place.
> Doing so with Xalan 2.7 it does not seem to find them there. I've also
> made sure that valid versions were installed
> in the /usr/share/java (their default location) and in
> /etc/alternatives/jre/lib/endorsed, to no avail.
>
> I cannot provide a full example obviously, but here's a rough breakdown
> of how we invoke things, if that helps.
> In our case we need to work both in an MSXSL environment as well as a
> Xalan-J environment, which makes it a little
> more complicated - at least at the xslt level.
>
> A stylesheet that wants to use the extension functions does this (I've
> pulled things from a couple of places here, hopefully its coherent.)
>
> <!DOCTYPE xsl:stylesheet [<!ENTITY js_include SYSTEM
> "calendar_functions.js">]>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:msxsl="urn:schemas-microsoft-com:xslt"
> xmlns:xalan="http://xml.apache.org/xalan"
> xmlns:calendar="urn:calendarlib"
> xmlns:igxlib="urn:igxlibns"
> extension-element-prefixes="calendar igxlib msxsl xalan"
> exclude-result-prefixes="calendar igxlib msxsl xalan"
> version="1.0">
>
> <xsl:include href="include-scripts.xsl"/>
>
> and then has its use of the extension functions, using syntax like this:
>
> <xsl:value-of select="calendar:getTodaysYear()" />
>
>
> The xsl pulling in the scripts, "include-scripts.xsl" then looks
> something like this:
>
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <!DOCTYPE xsl:stylesheet [<!ENTITY js_include SYSTEM
> "extension_functions.js">]>
>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:msxsl="urn:schemas-microsoft-com:xslt"
> xmlns:xalan="http://xml.apache.org/xalan"
> xmlns:calendar="urn:calendarlib"
> xmlns:igxlib="urn:igxlibns"
> extension-element-prefixes="igxlib"
> version="1.0">
>
> <msxsl:script language="JavaScript" implements-prefix="igxlib">
> &js_include;
> </msxsl:script>
>
> <xalan:component prefix="igxlib" elements=""
> functions="IsNewMonth GenerateMonth GenerateDay GenerateYear
> formatBaseURL RandomIndex RandomSequence
> IndexedItemFromList toLower UTCtoLocalTime
> fitSizeWidth replaceStr matchCatMultiMulti" >
>
> <xalan:script lang="javascript">
> &js_include;
> </xalan:script>
> </xalan:component>
> </xsl:stylesheet>
>
>
> Wade, John F. (MSFC-NAS902099)[TBE] wrote:
>
>> Classpath has been my thought, too. I'm a real beginner at this, and
>> the environment I'm working with has two variants, so I'm not sure how
>> to determine what the classpath is in each case.
>> But, we'll start with the stylesheet and JAVA code on Monday and go
>> from there.
>>
>> Thanks.
>>
>> JFW
>>
>>
>>
>> ------------------------------------------------------------------------
>> *From:* Kevin Cormier [mailto:kcormier@(protected)]
>> *Sent:* Fri 4/27/2007 3:11 PM
>> *To:* Wade, John F. (MSFC-NAS902099)[TBE]
>> *Cc:* xalan-j-users@(protected)
>> *Subject:* Re: Xalan extension functions
>>
>> Hi John,
>>
>> All I can think of with the information you've given is to check that
>>
> your
>
>> class is on the classpath.
>>
>> Could you send your stylesheet and Java class, and also show how you
>> invoked the transformation and what the full error message was?
>>
>>
>>
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