Use of XPath 2.0 in XSLT plugins

Hi
I need to use the upper-case XPath function in a XSLT. This function is available in XPath 2.0.
I set the stylesheet version="2.0" and is works fine when I test the xslt in Editix before I deploy it.
The Saxon parser installed with OSM 7.0.1 supports XPath 2.0.
However, the deployed plugin throws an exception like:
<01-jul-2010 10:44:08,241 CEST AM> <INFO> <plugin.AbstractAutomator> <ExecuteThread: '13' for queue: 'oms.automation'> <Creating automation plugin [class com.mslv.oms.automation.plugin.XSLTReceiver_yg33wa_Impl] built using SDK version [7.0.1.524]>
SystemId Unknown; Line #49; Column #90; Could not find function: upper-case
SystemId Unknown; Line #49; Column #90; Could not find function: upper-case
SystemId Unknown; Line #49; Column #90; function token not found.
SystemId Unknown; Line #49; Column #90; function token not found.
(Location of error unknown)java.lang.NullPointerException
<01-jul-2010 10:44:08,287 CEST AM> <WARN> <plugin.AbstractAutomator> <ExecuteThread: '13' for queue: 'oms.automation'> <Attempting to clean up references to bad EJB references>
<01-07-2010 10:44:08 CEST> <Warning> <oms> <BEA-000000> <plugin.AbstractAutomator: Attempting to clean up references to bad EJB references>
<01-jul-2010 10:44:08,397 CEST AM> <ERROR> <core.logSQLException> <ExecuteThread: '13' for queue: 'oms.automation'> <SQL Exception 0 : Transaction BEA1-0FBBA0CDB6AB0C3F5CBB not active anymore. tx status = Marked rollback. [Reason=java.lang.NullPointerException]>
java.sql.SQLException: Transaction BEA1-0FBBA0CDB6AB0C3F5CBB not active anymore. tx status = Marked rollback. [Reason=java.lang.NullPointerException]
at weblogic.jdbc.jts.Driver.getTransaction(Driver.java:542)
Any clues anyone?

As far as i know, the XSLTReceiver plugin uses XALAN as the XSLT transformation implementation. if you need to use SAXON, then you need to set the javax.xml.TransformerFactory system property to the correct implementation class from SAXON. How one could do this is beyond me. You could validate my statement by attempting to write a simple java client that does the transformation(rather than use a editor tool such as XMLSpy/ other). set your classpath to include saxon jars and exclude xalan jars, the transformation should succeed.
hope this helps.

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Does SOA BPEL 11.1.7.0 support XPath 2.0 in XSLT mapping?

Dear Oracle support,
I am using SOA Suite 11.1.1.7.0 (local development) and 11.1.1.6.0 (in production, but will upgrade to 7). I came to the requirements need to do very complicated mapping using XSLT in BPEL. I would like to use some features of XPath 2.0.
Does SOA 11.1.1.6.0 or 11.1.1.7.0 have supported XPath 2.0? If not yet, is there any plan to support in the future?
Thank you in advance for your response,
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Hi Alena Li,
Firstly, this is not Oracle support, this is Oracle forums...
https://wikis.oracle.com/display/Forums/Forums+FAQ
SOA supports *some* features of XPath 2.0 in XSLT, the infrastructure also supports XSLT 2.0, but JDEV mapper does not...
Check docs here...
http://docs.oracle.com/cd/E28280_01/dev.1111/e10224/bp_appx_functs.htm#SOASE2127
Cheers,
Vlad

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I have been working on a Java app for a while that takes user queries and searches various translations of the Bible. The data is stored in 66 .xml files, one per book of the Bible, and those files, in turn, are stored in a .jar file.
The user may select 2 or more translations and see them in parallel. So for example, let's say that want Matthew chapter 1 and verses 1 to 10 from KJV and ASV. I simply use the following XPath expression: /book/chapter[@num=1]/verse[@num>=1 and @num<=10] . Then I use XPathFactory, XPath, compile() and evaluate() on Matthew.xml from kjv.jar and asv.jar.
However, the problem is not so simple for keyword queries from the user. In such a case the tool searches for keywords in one translation and then finds the same verses from all subsequent translations. Here the XPath expression might be more like: /book/chapter/verse[contains(., 'keyword1') and contains(., 'keyword2')] for the first translation. However, if I ran the same query on subsequent translations they may or may not return the exact same set of verses (depending on language (English, Greek, Hebrew) and also on the dialect (Old English vs. Modern English)). So, my question is what is the most efficient way of obtaining the same verses from subsequent translations?
I could simply look up the verses in the first translation, then use DOM API calls to find the chapter and verse numbers, and look those up in the other translations. But this seems tedious, SLOW, and possibly more error prone.
Also, a second question: if I wanted to include a help file in my application's .jar file. How could I access that file programmatically? That is, how do I tell the application to look for "help.html" in the jar file so I can manipulate and/or display the contents to the user?
And last question: since, I'm still learning my way around Java and XML, how would I go about programmatically applying a .xsl file to some given .xml input to produce HTML + CSS output? What classes, interfaces, etc. should I look up for this? And can anyone point me to sample code online for this?

However, the problem is not so simple for keyword
queries from the user. In such a case the tool
searches for keywords in one translation and then
finds the same verses from all subsequent
translations. Here the XPath expression might be
more like: /book/chapter/verse[contains(.,
'keyword1') and contains(., 'keyword2')] for the
first translation. However, if I ran the same query
on subsequent translations they may or may not return
the exact same set of verses (depending on language
(English, Greek, Hebrew) and also on the dialect (Old
English vs. Modern English)). So, my question is
what is the most efficient way of obtaining the same
verses from subsequent translations?
I could simply look up the verses in the first
translation, then use DOM API calls to find the
chapter and verse numbers, and look those up in the
other translations. But this seems tedious, SLOW,
and possibly more error prone.There's nothing in XPath that I know of that helps with this. SQL is relational, XML is hierarchical. They're fundamentally different.
Also, a second question: if I wanted to include a
help file in my application's .jar file. How could I
access that file programmatically? That is, how do I
tell the application to look for "help.html" in the
jar file so I can manipulate and/or display the
contents to the user?If it's an HTML file, it's likely that you'll package it in a WAR file, along with the rest of your app. It's accessible as a URL that way.
And last question: since, I'm still learning my way
around Java and XML, how would I go about
programmatically applying a .xsl file to some given
.xml input to produce HTML + CSS output? What
classes, interfaces, etc. should I look up for this?.xsl transformations are applied using XSL-T engines, like Apache's Xalan. You would embed the HTML that you want to inject the XML data into in the XSL-T stylesheet.
That's one way. Another is to use a templating alternative like Velocity.
And can anyone point me to sample code online for this?Try the Apache Xalan docs. Or this:
http://www.cafeconleche.org/books/xmljava/chapters/ch17.html
%

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<?xml version="1.0" encoding="UTF-8" ?>
- <myns:whole_doc xmlns:myns="http://namespace.myns.com/test" attr1="attr_one" attr2="attr_two" attr3="attr_three">
- <myns:part_one attr="attr_one">
</myns:part_three>
- <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
- <SignedInfo>
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<SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#dsa-sha1" />
- <Reference URI="">
- <Transforms>
<Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
- <Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116">
<XPath>/myns:whole_doc/myns:part_two</XPath>
</Transform>
</Transforms>
<DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
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</Reference>
</SignedInfo>
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</Signature>
</myns:whole_doc>

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<myns:whole_doc> .....
<myns:part_one> ..... </myns:part_one>
<myns:part_two> .... </myns:part_two>
</myns:whole_doc>
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Hi
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Platform : OSB 10.3.1 in Windows XP
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Edited by: user10981433 on Jun 11, 2009 9:05 PM

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Use of XPath 2.0 in XSLT plugins

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