java -jar saxon8.jar
Well, the first thing on my list of possible causes was that the class isn't
on the classpath, and I also mentioned that a common cause of that is
running with the -jar option which means there isn't a classpath.
You need to use "java -cp ..... net.sf.saxon.Transform ...
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Carl Bourne [mailto:cbourne(_at_)intellect(_dot_)co(_dot_)uk]
Sent: 01 November 2007 14:44
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Accessing External Java Library
OK - This is what I have now!
From the output I can see that the iPGP.iPGP class could not
be loaded bit don't understand why!!!
The iPGP.jar file is in the same directory as the saxon8.jar
and the xml, xslt files.
XML:
<dataelements>
<dataelement>
<data>New York</data>
</dataelement>
<dataelement>
<data>Boston</data>
</dataelement>
<dataelement>
<data>Denver</data>
</dataelement>
</dataelements>
XSLT:
<?xml version="1.0" ?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:PGP="iPGP.iPGP"
exclude-result-prefixes="PGP">
<xsl:template match="dataelements">
<xsl:value-of select="PGP:setArmor(true()),
PGP:setConventional(true()),
PGP:setInputIsText(true()),
PGP:setOutputIsText(true())"/>
<xsl:param name="passphrase">mypswd</xsl:param>
<xsl:param name="asciiresult"></xsl:param>
<xsl:param name="errormessage"></xsl:param>
<xsl:variable name="datain" select="data"/>
<xsl:variable name="encryptData"
select="PGP:encrypt($passphrase, $datain, $asciiresult,
$errormessage)"/>
<xsl:value-of select="$encryptData"/> </xsl:template>
</xsl:stylesheet>
Output:
C:\Documents and Settings\cbourne\My Documents\PGPJava>java
-jar saxon8.jar -TJ pgp.xml pgp.xslt Loading iPGP.iPGP No
Java class iPGP.iPGP could be loaded Error at xsl:value-of on
line 11 of file:/C:/Documents%20and%20Settings/cbourne/
My%20Documents/PGPJava/pgp.xslt:
XPST0003: XPath syntax error at char 20 on line 11 in
{...ue()), PGP:setConven
tional}:
Cannot find a matching 1-argument function named
{iPGP.iPGP}setArmor()
Loading iPGP.iPGP
No Java class iPGP.iPGP could be loaded
Error at xsl:variable on line 18 of
file:/C:/Documents%20and%20Settings/cbourne/
My%20Documents/PGPJava/pgp.xslt:
XPST0003: XPath syntax error at char 62 on line 18 in {...,
$asciiresult, $err
ormessa...}:
Cannot find a matching 4-argument function named
{iPGP.iPGP}encrypt()
Error at xsl:param on line 13 of
file:/C:/Documents%20and%20Settings/cbourne/My%
20Documents/PGPJava/pgp.xslt:
XTSE0010: xsl:param must be the first element within a
template or function Error at xsl:param on line 14 of
file:/C:/Documents%20and%20Settings/cbourne/My%
20Documents/PGPJava/pgp.xslt:
XTSE0010: xsl:param must be the first element within a
template or function Error at xsl:param on line 15 of
file:/C:/Documents%20and%20Settings/cbourne/My%
20Documents/PGPJava/pgp.xslt:
XTSE0010: xsl:param must be the first element within a
template or function Failed to compile stylesheet. 5 errors detected.
Carl Bourne
Intellect
DDI: +44 1491 842502
M: +44 7770 284294
-----Original Message-----
From: Michael Kay [mailto:mike(_at_)saxonica(_dot_)com]
Sent: 01 November 2007 12:59
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Accessing External Java Library
Before calling the external Java library I need to set some
attributes, e.g.
pgp.setArmor(true)
pgp.setConventional(true)
pgp.setInputIsText(true)
pgp.setOutputIsText(true)
Is it possible to do this within the style sheet?
Yes, if you're careful. The problem is that these methods
don't generate any output, so there's a risk that they can
get optimized away (or called in the wrong order). The trick
is to use them as if they were returning something, and that
something were written to your result tree, for example
<out>
<xsl:value-of select="PGP:setArmor(true()),
PGP:setConventional(true()),
PGP: ...etc"/>
Also the XSLT programmers reverence seems to imply that only static
types are supported - is this the case?
No. The behaviour of extension functions varies from product
to product and release to release. The documentation for
Saxon 8.9 is at
http://www.saxonica.com/documentation/extensibility/functions.html
Michael Kay
http://www.saxonica.com/
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