/** Return a list object for this header if it has an associated list object. */
protected static SIPHeaderList getList(SIPHeader sipHeader) {
if (!initialized) initializeListMap();
try {
Class headerClass = sipHeader.getClass();
Class listClass = (Class) headerListTable.get(headerClass);
return (SIPHeaderList) listClass.newInstance();
} catch (InstantiationException ex) {
InternalError.handleException(ex);
} catch (IllegalAccessException ex) {
InternalError.handleException(ex);
}
return null;
}
/** Constructor. */
protected XMLContentHandler(String eventFile, String agentFile) {
myEngine = EventEngine.theStack;
agentTable = new Hashtable();
try {
XMLReader saxParser =
(XMLReader) Class.forName("org.apache.xerces.parsers.SAXParser").newInstance();
saxParser.setContentHandler(this);
saxParser.setFeature("http://xml.org/sax/features/validation", true);
// parse the xml specification for the event tags.
saxParser.parse(agentFile);
saxParser.parse(eventFile);
} catch (SAXParseException spe) {
// Error generated by the parser
System.out.println(
"\n** Parsing error" + ", line " + spe.getLineNumber() + ", uri " + spe.getSystemId());
System.out.println(" " + spe.getMessage());
// Use the contained exception, if any
Exception x = spe;
if (spe.getException() != null) x = spe.getException();
x.printStackTrace();
System.exit(0);
} catch (SAXException sxe) {
// Error generated by this application
// (or a parser-initialization error)
Exception x = sxe;
if (sxe.getException() != null) x = sxe.getException();
x.printStackTrace();
System.exit(0);
} catch (IOException ioe) {
// I/O error
ioe.printStackTrace();
System.exit(0);
} catch (Exception pce) {
// Parser with specified options can't be built
pce.printStackTrace();
System.exit(0);
}
}