public void loadTestProfiles() throws IOException, JDOMException {
    SAXBuilder parser = new SAXBuilder();

    // load constraint profile.
    Document doc1 = parser.build(new File(traceDir + "SigConstProfile.xml"));
    for (Object o : doc1.getContent()) {
      Element root = (Element) o;
      if (!root.getName().equals("SigConstProfile")) continue;
      for (Object s : root.getContent()) { // for each SQL signature.
        if (!(s instanceof Element)) continue;
        Element sigConstElement = (Element) s;
        if (!sigConstElement.getName().equals("Signature")) continue;
        String sig = sigConstElement.getAttributeValue("Sig");
        SigProfile profile = new SigProfile(sig);
        profile.procXMLSigConstProfileElement(sigConstElement);
        testProfiles.put(sig, profile);
      }
    }
    // load trace summary.
    Document doc2 = parser.build(new File(traceDir + "TraceSummary.xml"));
    for (Object o : doc2.getContent()) {
      Element root = (Element) o;
      if (!root.getName().equals("TraceSummary")) continue;
      for (Object s : root.getContent()) { // for each SQL signature.
        if (!(s instanceof Element)) continue;
        Element summary = (Element) s;
        if (!summary.getName().equals("Signature")) continue;
        String sig = summary.getAttributeValue("Sig");
        SigProfile profile = testProfiles.get(sig);
        profile.procXMLTraceSumElement(summary);
      }
    }
    // prepare sessionVars set.
    for (String sig : testProfiles.keySet()) {
      for (String entry : testProfiles.get(sig).getEntries().keySet()) {
        // System.out.println(sig + " " + entry);
        Vector<RequestMessage> messageList = testProfiles.get(sig).getMessagesByEntry(entry);
        // System.out.println(messageList.size());
        for (RequestMessage message : messageList) {
          String stateSig = _stateConstructor.genStateSig(message.getSessionVars());
          if (!sessionVarsSet.containsKey(stateSig)) {
            if (!_stateConstructor.getStateSet().contains(stateSig)) {
              continue;
            }
            System.out.println("Loading state: " + stateSig);
            sessionVarsSet.put(stateSig, new HashSet<String>());
          }
          sessionVarsSet.get(stateSig).add(message.getSessionVars());
        }
      }
    }
  }
 // generate the set of test request messages.
 public Vector<String> genTestParasSet(String sig, String entry, RequestMessage seed) {
   HashMap<String, String> parameters = _parser.parseInputParameters(seed.getInputParas());
   HashMap<String, String> sessionVars = _parser.parseSession(seed.getSessionVars());
   Vector<String> testParas =
       testProfiles.get(sig).getEntries().get(entry).genViolatedParas(parameters, sessionVars);
   return testParas;
 }