 | | | Xalan extension functions | Xalan extension functions 2007-05-02 - By Wade, John F. (MSFC-NAS902099)[TBE]
It's not Monday anymore. Oh well.
Here's the test case java code. It does exactly nothing.
Import java.util.*;
public class MyTest
{
public MyTest()
{}
}
The namespace and component definitions are:
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet
xmlns:xsl=http://www.w3.org/1999/XSL/Transform
xmlns=http://www.w3.org/1999/xhtml
xmlns:doc=http://nwalsh.com/xsl/documentation/1.0
exclude-result-prefixes="doc"
xmlns:xalan=http://xml.apache.org/xalan
xmlns:mytest="MyTest"
extension-element-prefixes="mytest"
version="1.0">
<xalan:component prefix="mytest" functions="MyTest">
<xalan:script lang="javaclass" src="xalan://MyTest/"/>
</xalan:component>
Down in one of the templates I've added a line that says:
<xsl:value-of select="mytest:MyTest()"/>
And the error I get is:
(Location of error unknown)XSLT Error (javax.xml.transform.TransformerException
): javax.xml.transform.TransformerException: Instance method call to method
MyTest requires an Object instance as first argument
...which isn't the error I remember getting last time I tried this, but one
thing at a time.
Suggestions?
*********************************
John F. Wade, PE
MSFC EO20 - TBE
________________________________
From: Wade, John F. (MSFC-NAS902099)[TBE] [mailto:John.F.Wade@(protected)]
Sent: Fri 4/27/2007 3:29 PM
To: Kevin Cormier
Cc: xalan-j-users@(protected)
Subject: RE: Xalan extension functions
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?
<HTML dir=ltr><HEAD><TITLE>Re: Xalan extension functions</TITLE>
<META http-equiv=Content-Type content="text/html; charset=unicode">
<META content="MSHTML 6.00.2800.1589" name=GENERATOR></HEAD>
<BODY>
<DIV id=idOWAReplyText60140 dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>It's not Monday anymore.
Oh well.</FONT></DIV>
<DIV dir=ltr><FONT size=2></FONT> </DIV>
<DIV dir=ltr><FONT size=2>Here's the test case java code. It does exactly
nothing.</FONT></DIV>
<DIV dir=ltr><FONT size=2><FONT size=2>
<P>Import java.util.*;</P>
<P>public class MyTest </P>
<P>{</P>
<P>public MyTest() </P>
<P>{}</P>
<P></P>
<P>}</P></FONT></FONT></DIV>
<DIV dir=ltr><FONT size=2></FONT> </DIV>
<DIV dir=ltr><FONT size=2>The namespace and component definitions are:</FONT><
/DIV>
<DIV dir=ltr><FONT size=2><FONT color=#0000ff size=2>
<P><?</FONT><FONT color=#800000 size=2>xml</FONT><FONT color=#ff00ff size=2>
</FONT><FONT color=#ff0000 size=2>version</FONT><FONT color=#0000ff size=2>="1
.0"</FONT><FONT color=#ff00ff size=2> </FONT><FONT color=#ff0000 size=2>encoding
</FONT><FONT color=#0000ff size=2>="UTF-8"</FONT><FONT color=#ff00ff size=2> <
/FONT><FONT color=#0000ff size=2>?><BR><</FONT><FONT color=#800000 size=2
>xsl:stylesheet</FONT><FONT color=#ff00ff size=2> <BR></FONT><FONT color=#800000
size=2>xmlns</FONT><FONT color=#ff00ff size=2>:</FONT><FONT color=#ff0000 size
=2>xsl</FONT><FONT color=#0000ff size=2>=<A href="http://www.w3.org/1999/XSL
/Transform">http://www.w3.org/1999/XSL/Transform</A></FONT><FONT color=#ff00ff
size=2> <BR></FONT><FONT color=#ff0000 size=2>xmlns</FONT><FONT color=#0000ff
size=2>=<A href="http://www.w3.org/1999/xhtml">http://www.w3.org/1999/xhtml</A>
</FONT><FONT color=#ff00ff size=2> <BR></FONT><FONT color=#800000 size=2>xmlns<
/FONT><FONT color=#ff00ff size=2>:</FONT><FONT color=#ff0000 size=2>doc</FONT>
<FONT color=#0000ff size=2>=<A href="http://nwalsh.com/xsl/documentation/1.0"
>http://nwalsh.com/xsl/documentation/1.0</A></FONT><FONT color=#ff00ff size=2>
<BR></FONT><FONT color=#ff0000 size=2>exclude-result-prefixes</FONT><FONT color=
#0000ff size=2>="doc"</FONT><FONT color=#ff00ff size=2> <BR></FONT><FONT color=
#800000 size=2>xmlns</FONT><FONT color=#ff00ff size=2>:</FONT><FONT color=
#ff0000 size=2>xalan</FONT><FONT color=#0000ff size=2>=<A href="http://xml
.apache.org/xalan">http://xml.apache.org/xalan</A><BR></FONT><FONT color=#800000
size=2>xmlns</FONT><FONT color=#ff00ff size=2>:</FONT><FONT color=#ff0000 size
=2>mytest</FONT><FONT color=#0000ff size=2>="MyTest"<BR></FONT><FONT color=
#ff0000 size=2>extension-element-prefixes</FONT><FONT color=#0000ff size=2>=
"mytest"<BR></FONT><FONT color=#ff0000 size=2>version</FONT><FONT color=#0000ff
size=2>="1.0"></P>
<P><</FONT><FONT color=#800000 size=2>xalan:component</FONT><FONT color=
#ff00ff size=2> </FONT><FONT color=#ff0000 size=2>prefix</FONT><FONT color=
#0000ff size=2>="mytest"</FONT><FONT color=#ff00ff size=2> </FONT><FONT color=
#ff0000 size=2>functions</FONT><FONT color=#0000ff size=2>="MyTest"><BR><<
/FONT><FONT color=#800000 size=2>xalan:script</FONT><FONT color=#ff00ff size=2>
</FONT><FONT color=#ff0000 size=2>lang</FONT><FONT color=#0000ff size=2>=
"javaclass"</FONT><FONT color=#ff00ff size=2> </FONT><FONT color=#ff0000 size=2
>src</FONT><FONT color=#0000ff size=2>="xalan://MyTest/"/><BR></</FONT>
<FONT color=#800000 size=2>xalan:component</FONT><FONT color=#0000ff size=2>>
</P></FONT></FONT></DIV>
<DIV dir=ltr><FONT size=2></FONT> </DIV>
<DIV dir=ltr><FONT size=2></FONT> </DIV>
<DIV dir=ltr><FONT size=2>Down in one of the templates I've added a line that
says:</FONT></DIV>
<DIV dir=ltr><FONT color=#0000ff size=2>
<P><</FONT><FONT color=#800000 size=2>xsl:value-of</FONT><FONT color=#ff00ff
size=2> </FONT><FONT color=#ff0000 size=2>select</FONT><FONT color=#0000ff size
=2>="mytest:MyTest()"/></P></FONT></DIV>
<DIV dir=ltr><FONT size=2></FONT> </DIV>
<DIV dir=ltr><FONT size=2>And the error I get is:</FONT></DIV>
<DIV dir=ltr><BR>(Location of error unknown)XSLT Error (javax.xml.transform
.TransformerException): javax.xml.transform.TransformerException: Instance
method call to method MyTest requires an Object instance as first argument<BR><
/DIV>
<DIV dir=ltr><FONT size=2>...which isn't the error I remember getting last time
I tried this, but one thing at a time.</FONT></DIV>
<DIV dir=ltr><FONT size=2></FONT> </DIV>
<DIV dir=ltr><FONT size=2>Suggestions?</FONT></DIV>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2></FONT> </DIV></DIV>
<DIV id=idSignature82333 dir=ltr>
<DIV><FONT face=Arial color=#000000 size=2>*********************************<
/FONT></DIV>
<DIV><FONT face=Arial size=2>John F. Wade, PE</FONT></DIV>
<DIV><FONT face=Arial size=2>MSFC EO20 - TBE</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV> </DIV>
<DIV> </DIV></DIV>
<DIV dir=ltr><BR>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Wade, John F. (MSFC-NAS902099)[TBE]
[mailto:John.F.Wade@(protected)]<BR><B>Sent:</B> Fri 4/27/2007 3:29 PM<BR><B>To:</B
> Kevin Cormier<BR><B>Cc:</B> xalan-j-users@(protected)<BR><B>Subject:</B> RE
: Xalan extension functions<BR></FONT><BR></DIV>
<DIV dir=ltr>
<DIV id=idOWAReplyText42563 dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>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. </FONT></DIV>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>But, we'll start with the
stylesheet and JAVA code on Monday and go from there.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Thanks.</FONT></DIV>
<DIV dir=ltr> </DIV></DIV>
<DIV id=idSignature42534 dir=ltr>
<DIV><FONT face=Arial color=#000000 size=2>JFW</FONT></DIV>
<DIV> </DIV>
<DIV> </DIV></DIV>
<DIV dir=ltr><BR>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Kevin Cormier [mailto:kcormier@(protected)
]<BR><B>Sent:</B> Fri 4/27/2007 3:11 PM<BR><B>To:</B> Wade, John F. (MSFC
-NAS902099)[TBE]<BR><B>Cc:</B> xalan-j-users@(protected)<BR><B>Subject:</B>
Re: Xalan extension functions<BR></FONT><BR></DIV>
<DIV>
<P><FONT size=2>Hi John,<BR><BR>All I can think of with the information you've
given is to check that your<BR>class is on the classpath.<BR><BR>Could you send
your stylesheet and Java class, and also show how you<BR>invoked the
transformation and what the full error message was?<BR><BR><BR></FONT></P></DIV
></DIV></BODY></HTML>
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