@Override
  protected void runJob() throws Exception {

    Controller controller = getController();

    // is invoked head less?
    DefaultMainFrame mainFrame = ApplicationContext.getDefaultMainFrame();
    boolean headless = (mainFrame == null);
    Db db = null;

    try {
      if (!headless) {
        // create new project, if it was not specific by the user
        m_project = m_params.getOutputProject();
        if (m_project == null) {
          m_project = (DbSMSProject) mainFrame.createDefaultProject(db);
        }

        db = m_project.getDb();
        db.beginWriteTrans(LocaleMgr.misc.getString("ImportJavaBytecode"));

        // create class model
        m_classModel = new DbJVClassModel(m_project);
      }

      // import Java classes files (jobDone 0% to 80%)
      DbJVPackage topMostPackage = importFiles(controller, 0, 80);

      // show success/failure message
      if (controller.getErrorsCount() == 0) {
        controller.println(LocaleMgr.misc.getString("Success"));
      } else {
        controller.println(LocaleMgr.misc.getString("Failed"));
      } // end if

      // create and reveal diagram ((jobDone 80% to 100%)
      if (!headless) {
        if ((topMostPackage != null) && (m_params.createDiagrams)) {
          createAndRevealDiagram(mainFrame, topMostPackage, controller, 80, 100);
        }

        db.commitTrans();
      } // end if

      controller.checkPoint(100);

    } catch (DbException ex) {
      controller.println(ex.toString());
      controller.cancel();
    } // end try
  } // end runJob()
  private Map<Byte, DbJVPrimitiveType> getJavaTypes() throws DbException {

    // if first call, build the map
    if (m_javaTypes == null) {
      m_javaTypes = new HashMap<Byte, DbJVPrimitiveType>();
      DbRelationN relN = m_project.getComponents();
      DbEnumeration enu = relN.elements(DbSMSBuiltInTypeNode.metaClass);
      while (enu.hasMoreElements()) {
        DbSMSBuiltInTypeNode typeNode = (DbSMSBuiltInTypeNode) enu.nextElement();
        DbRelationN relN2 = typeNode.getComponents();
        DbEnumeration enu2 = relN2.elements(DbSMSBuiltInTypePackage.metaClass);
        while (enu2.hasMoreElements()) {
          DbSMSBuiltInTypePackage pack = (DbSMSBuiltInTypePackage) enu2.nextElement();
          DbSMSTargetSystem ts = pack.getTargetSystem();
          if ("Java".equals(ts.getName())) {
            DbRelationN relN3 = pack.getComponents();
            DbEnumeration enu3 = relN3.elements(DbJVPrimitiveType.metaClass);
            while (enu3.hasMoreElements()) {
              DbJVPrimitiveType type = (DbJVPrimitiveType) enu3.nextElement();
              String name = type.getName();
              if ("boolean".equals(name)) {
                m_javaTypes.put(Constants.T_BOOLEAN, type);
              } else if ("byte".equals(name)) {
                m_javaTypes.put(Constants.T_BYTE, type);
              } else if ("short".equals(name)) {
                m_javaTypes.put(Constants.T_SHORT, type);
              } else if ("char".equals(name)) {
                m_javaTypes.put(Constants.T_CHAR, type);
              } else if ("int".equals(name)) {
                m_javaTypes.put(Constants.T_INT, type);
              } else if ("long".equals(name)) {
                m_javaTypes.put(Constants.T_LONG, type);
              } else if ("double".equals(name)) {
                m_javaTypes.put(Constants.T_DOUBLE, type);
              } else if ("float".equals(name)) {
                m_javaTypes.put(Constants.T_FLOAT, type);
              } // end if
            } // end while
            enu3.close();
          } // end if
          pack.getAlias();
        } // end while
        enu2.close();
      } // end while
      enu.close();
    } // end if

    return m_javaTypes;
  }