/** 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);
}
}
/** Evaluate a boolean expression. */
protected synchronized boolean evalBoolean(String expression) {
try {
this.exec("retval = " + expression);
PyObject pyObj = this.get("retval");
String retString = pyObj.toString();
Debug.println("retString = " + retString);
if (retString.equals("1")) return true;
else return false;
} catch (PyException ex) {
ex.printStackTrace();
System.exit(0);
return false;
}
}
/**
* Run this filter on the given SIP message (represented as an array canonical headers) and return
* true or false.
*/
protected synchronized boolean match(SIPMessage sipMsg) {
this.set("sipMessage", sipMsg);
try {
this.exec("retval = match(sipMessage)");
PyObject pyObj = this.get("retval");
String retString = pyObj.toString();
if (retString.equals("1")) return true;
else return false;
} catch (PyException ex) {
ex.printStackTrace();
System.out.println("Error in filter spec. " + ex.getMessage());
System.exit(0);
}
return false;
}