Bundle bundle = Activator.getDefault().getBundle();
IPath smrlSsPath = new Path("/addins/smrl/smrl4odf2shore.xslt");
URL smrlSsUrl = FileLocator.find(bundle, smrlSsPath, Collections.EMPTY_MAP);
File smrlStylesheet = new File(FileLocator.toFileURL(smrlSsUrl).toURI());
xsltSource = new StreamSource(smrlStylesheet);
transFact = TransformerFactory.newInstance();
trans = transFact.newTransformer(xsltSource);
trans.setParameter("smrl.file", smrlFile.getAbsolutePath());
trans.transform(xmlSource, new StreamResult(outputTempFile));

<xsl:include href="odf2shore.xslt"/>

ERROR:  'C:Programyeclipseconfigurationorg.eclipse.osgibundles8371.cpaddinssmrlodf2shore.xslt (The system cannot find the file specified)'
FATAL ERROR:  'Could not compile stylesheet'
javax.xml.transform.TransformerConfigurationException: Could not compile stylesheet