XSL Transformations (XSLT) processor in Java

 Xalan-Java is an XSLT processor for transforming XML documents into HTML,
 text, or other XML document types. It implements the W3C Recommendations for
 XSL Transformations (XSLT) and the XML Path Language (XPath). It can be used
 from the command line, in an applet or a servlet, or as a module in other
 programs.