What failure or error message do you get?
Fred Baube wrote:
I have a problem that I've burned a couple of days on, without
success. Now my latest testing makes me wonder if it might be
a classloader problem related to Rife.
Further down in this message is a code fragment that tries to
set the "lexical-handler" property of a SAX XMLReader, like so:
reader.setProperty(LEXICAL_HANDLER_PROPERTY,this);
The classes that use this fragment implement SAX's LexcalHandler.
When I execute it inside a simple servlet class like this:
public class HelloWorldExample extends HttpServlet
implements ContentHandler, LexicalHandler
{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
it is able to set the lexical-handler property of the parser.
But when I execute it in class that is called from a Rife
Element, like so:
public class WriterLex extends DefaultHandler2 {
it _always_ fails on the call
FWIW I've also tried
WriterLex implements LexicalHandler {
and a dozen other combinations.
I've done my best to narrow it down this problem, I've tried
configuring XMLReaderFactory's and SAXParserFactory's, but
the call to setProperty(..) consistently fails inside Rife.
Does this sounds like any known problems with classloading ?
fred
the code fragment:
public static final String SAX_DRIVER_PROPERTY = "org.xml.sax.driver";
public static final String LEXICAL_HANDLER_PROPERTY =
"http://xml.org/sax/properties/lexical-handler";;
try {
if (System.getProperty(SAX_DRIVER_PROPERTY) == null){
//The default sax driver is set to xerces's sax driver
System.setProperty(SAX_DRIVER_PROPERTY,
"org.apache.xerces.pars\ers.SAXParser");
}
reader = XMLReaderFactory.createXMLReader();
// I also tried "com.sun.org.apache.xerces.internal.parsers.SAXParser"
System.out.println ("Clsnm: " + reader.getClass().getName());
reader.setContentHandler (this);
reader.setProperty (LEXICAL_HANDLER_PROPERTY,this);
System.out.println ("SUCCESS!");
}
catch (Exception e) {
e.printStackTrace();
}
}
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Geert Bevin Uwyn bvba
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