XSLT- Refer to java custom method

Question

I am quite new to XSLT and quite confused on how to use java inside XSLT. I have an XSL template that will transform one XML to another. My requirement is to access an external java class method in my XSLT. I have a java class called FileCopy and its method is copyFile(). I need a way to access the copyFile() method inside my XSLT.

Is there some other way to do file copy during XSL transformation rather than making a call to an external java class? Does XSLT support file copy? — nishMaria
– nishMaria, Commented Mar 9, 2012 at 12:49

Attila · Accepted Answer · 2012-12-12 16:52:47Z

3

You have to bind the extensions to the stylesheet. It should be via namespaces, class names, and the Java class path.

For example, define your class:

<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:filecopy="java:com.test.FileCopy"
  exclude-result-prefixes="filecopy">

and then you can use it:

<xsl:value-of select="filecopy:copyFile($params)"/>

More information is here

edited Dec 12, 2012 at 16:52

Attila

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answered Mar 8, 2012 at 16:54

Andriy Budzinskyy

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9 Comments

Kevan Over a year ago

The class path comment is important of course. For testing what I do is, in the above example, put the java class in a sub folder test of a sub folder com of the folder that contains the style sheet so that it will be found by the xslt engine

nishMaria Over a year ago

I have my xsl file in say C:/transform. I placed my java file in C:/transform/com/test. Once i run the xsl i get the error -ERROR: 'Cannot find class 'java:com.test.FileCopy '.' FATAL ERROR: 'Could not compile stylesheet' Invalid factory configuration javax.xml.transform.TransformerConfigurationException: Could not compile stylesh eet

Andriy Budzinskyy Over a year ago

is "com.test" your package for FileCopy? I've just add it as example. If there is no package, you can try xmlns:filecopy="java:FileCopy".

nishMaria Over a year ago

I have a folder C:/transform and my xsl template and java class resides here. So now the structure will be C:/transform/test.xsl and C:/transform/FileCopy.java. when i run the xsl, i stil get the error i mentioned above "'Cannot find class 'java:com.test.FileCopy "

Andriy Budzinskyy Over a year ago

ok, can you open FileCopy.java and check package name at the top of file? If it does not exist, remove "com.test" in xstl file: xmlns:filecopy="java:FileCopy"

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