Пример #1
0
  private /*synchronized*/ StructureType assignStructureType(String structType)
      throws VisualizerLoadException {

    if (debug) System.out.println("In assignStructureType with " + structType);

    // Handle objects whose constructors require args separately
    if ((structType.toUpperCase().compareTo("BAR") == 0)
        || (structType.toUpperCase().compareTo("SCAT") == 0))
      return (new BarScat(structType.toUpperCase()));
    else if ((structType.toUpperCase().compareTo("GRAPH") == 0)
        || (structType.toUpperCase().compareTo("NETWORK") == 0))
      return (new Graph_Network(structType.toUpperCase()));
    else { // Constructor for object does not require args

      try {
        return ((StructureType)
            ((Class.forName(insure_text_case_correct_for_legacy_scripts(structType)))
                .newInstance()));
      } catch (InstantiationException e) {
        System.out.println(e);
        throw (new VisualizerLoadException(structType + " is invalid structure type"));
      } catch (IllegalAccessException e) {
        System.out.println(e);
        throw (new VisualizerLoadException(structType + " is invalid structure type"));
      } catch (ClassNotFoundException e) {
        System.out.println(e);
        throw (new VisualizerLoadException(structType + " is invalid structure type"));
      }
    }
  }
 public static void main(java.lang.String[] args) {
   String className = null;
   try {
     System.err.println("logging is done using log4j.");
     final ICQMessagingTest_Applet applet = new ICQMessagingTest_Applet();
     className = cfg.REQPARAM_MESSAGING_NETWORK_IMPL_CLASS_NAME.trim();
     CAT.info("Instantiating class \"" + className + "\"...");
     try {
       applet.plugin = (MessagingNetwork) Class.forName(className).newInstance();
       applet.plugin.init();
     } catch (Throwable tr) {
       CAT.error("ex in main", tr);
       System.exit(1);
     }
     java.awt.Frame frame = new java.awt.Frame("MessagingTest");
     frame.addWindowListener(
         new WindowAdapter() {
           public void windowClosing(WindowEvent e) {
             applet.quit();
           }
         });
     frame.add("Center", applet);
     frame.setSize(800, 650);
     frame.setLocation(150, 100);
     applet.init();
     frame.show();
     frame.invalidate();
     frame.validate();
     applet.start();
   } catch (Throwable tr) {
     CAT.error("exception", tr);
     System.exit(1);
   }
 }
Пример #3
0
  public static Object loadFrame(
      JopSession session, String className, String instance, boolean scrollbar)
      throws ClassNotFoundException {

    if (className.indexOf(".pwg") != -1) {
      GrowFrame frame =
          new GrowFrame(
              className, session.getGdh(), instance, new GrowFrameCb(session), session.getRoot());
      frame.validate();
      frame.setVisible(true);
    } else {
      Object frame;
      if (instance == null) instance = "";

      JopLog.log(
          "JopSpider.loadFrame: Loading frame \"" + className + "\" instance \"" + instance + "\"");
      try {
        Class clazz = Class.forName(className);
        try {
          Class argTypeList[] =
              new Class[] {session.getClass(), instance.getClass(), boolean.class};
          Object argList[] = new Object[] {session, instance, new Boolean(scrollbar)};
          System.out.println("JopSpider.loadFrame getConstructor");
          Constructor constructor = clazz.getConstructor(argTypeList);

          try {
            frame = constructor.newInstance(argList);
          } catch (Exception e) {
            System.out.println(
                "Class instanciation error: "
                    + className
                    + " "
                    + e.getMessage()
                    + " "
                    + constructor);
            return null;
          }
          // frame = clazz.newInstance();
          JopLog.log("JopSpider.loadFrame openFrame");
          openFrame(frame);
          return frame;
        } catch (NoSuchMethodException e) {
          System.out.println("NoSuchMethodException: Unable to get frame constructor " + className);
        } catch (Exception e) {
          System.out.println(
              "Exception: Unable to get frame class " + className + " " + e.getMessage());
        }
      } catch (ClassNotFoundException e) {
        System.out.println("Class not found: " + className);
        throw new ClassNotFoundException();
      }
      return null;
    }
    return null;
  }
  public void startApplet(String className, String title, String[] args) {

    try {
      // create an instance of your applet class
      applet1 = (Applet) Class.forName(className).newInstance();

    } catch (ClassNotFoundException e) {
      return;
    } catch (InstantiationException e) {
      return;
    } catch (IllegalAccessException e) {
      return;
    }

    startApplet(applet1, title, new Hashtable(), 200, 200);
  }
Пример #5
0
  /**
   * Instantiate a JavaBean.
   *
   * @param classLoader the class-loader from which we should create the bean. If this is null, then
   *     the system class-loader is used.
   * @param beanName the name of the bean within the class-loader. For example "sun.beanbox.foobah"
   * @exception java.lang.ClassNotFoundException if the class of a serialized object could not be
   *     found.
   * @exception java.io.IOException if an I/O error occurs.
   */
  public static Object instantiate(ClassLoader cls, String beanName)
      throws java.io.IOException, ClassNotFoundException {
    java.io.InputStream ins;
    java.io.ObjectInputStream oins = null;
    Object result = null;
    boolean serialized = false;
    java.io.IOException serex = null;
    // If the given classloader is null, we check if an
    // system classloader is available and (if so)
    // use that instead.
    // Note that calls on the system class loader will
    // look in the bootstrap class loader first.
    if (cls == null) {
      try {
        cls = ClassLoader.getSystemClassLoader();
      } catch (SecurityException ex) { // We're not allowed to access the system class loader.
        // Drop through.
      }
    }
    // Try to find a serialized object with this name
    final String serName = beanName.replace('.', '/').concat(".ser");
    final ClassLoader loader = cls;
    ins =
        (InputStream)
            java.security.AccessController.doPrivileged(
                new java.security.PrivilegedAction() {
                  public Object run() {
                    if (loader == null) return ClassLoader.getSystemResourceAsStream(serName);
                    else return loader.getResourceAsStream(serName);
                  }
                });
    if (ins != null) {
      try {
        if (cls == null) {
          oins = new ObjectInputStream(ins);
        } else {
          oins = new ObjectInputStreamWithLoader(ins, cls);
        }
        result = oins.readObject();
        serialized = true;
        oins.close();
      } catch (java.io.IOException ex) {
        ins.close();
        // Drop through and try opening the class.  But remember
        // the exception in case we can't find the class either.
        serex = ex;
      } catch (ClassNotFoundException ex) {
        ins.close();
        throw ex;
      }
    }
    if (result == null) {
      // No serialized object, try just instantiating the class
      Class cl;
      try {
        if (cls == null) {
          cl = Class.forName(beanName);
        } else {
          cl = cls.loadClass(beanName);
        }
      } catch (ClassNotFoundException ex) {
        // There is no appropriate class.  If we earlier tried to
        // deserialize an object and got an IO exception, throw that,
        // otherwise rethrow the ClassNotFoundException.
        if (serex != null) {
          throw serex;
        }
        throw ex;
      }
      /*
       * Try to instantiate the class.
       */

      try {
        result = cl.newInstance();
      } catch (Exception ex) {
        // We have to remap the exception to one in our signature.
        // But we pass extra information in the detail message.
        throw new ClassNotFoundException("" + cl + " : " + ex);
      }
    }
    if (result != null) { // Ok, if the result is an applet initialize it.
      AppletStub stub = null;

      if (result instanceof Applet) {
        Applet applet = (Applet) result;

        // Figure our the codebase and docbase URLs.  We do this
        // by locating the URL for a known resource, and then
        // massaging the URL.

        // First find the "resource name" corresponding to the bean
        // itself.  So a serialzied bean "a.b.c" would imply a
        // resource name of "a/b/c.ser" and a classname of "x.y"
        // would imply a resource name of "x/y.class".

        final String resourceName;

        if (serialized) {
          // Serialized bean
          resourceName = beanName.replace('.', '/').concat(".ser");
        } else {
          // Regular class
          resourceName = beanName.replace('.', '/').concat(".class");
        }

        URL objectUrl = null;
        URL codeBase = null;
        URL docBase = null;

        // Now get the URL correponding to the resource name.

        final ClassLoader cloader = cls;
        objectUrl =
            (URL)
                java.security.AccessController.doPrivileged(
                    new java.security.PrivilegedAction() {
                      public Object run() {
                        if (cloader == null) return ClassLoader.getSystemResource(resourceName);
                        else return cloader.getResource(resourceName);
                      }
                    });

        // If we found a URL, we try to locate the docbase by taking
        // of the final path name component, and the code base by taking
        // of the complete resourceName.
        // So if we had a resourceName of "a/b/c.class" and we got an
        // objectURL of "file://bert/classes/a/b/c.class" then we would
        // want to set the codebase to "file://bert/classes/" and the
        // docbase to "file://bert/classes/a/b/"

        if (objectUrl != null) {
          String s = objectUrl.toExternalForm();

          if (s.endsWith(resourceName)) {
            int ix = s.length() - resourceName.length();
            codeBase = new URL(s.substring(0, ix));
            docBase = codeBase;

            ix = s.lastIndexOf('/');

            if (ix >= 0) {
              docBase = new URL(s.substring(0, ix + 1));
            }
          }
        }

        // Setup a default context and stub.
        BeansAppletContext context = new BeansAppletContext(applet);

        stub = (AppletStub) new BeansAppletStub(applet, context, codeBase, docBase);
        applet.setStub(stub);

        // If it was deserialized then it was already init-ed.
        // Otherwise we need to initialize it.

        if (!serialized) {
          // We need to set a reasonable initial size, as many
          // applets are unhappy if they are started without
          // having been explicitly sized.
          applet.setSize(100, 100);
          applet.init();
        }
        ((BeansAppletStub) stub).active = true;
      }
    }
    return result;
  }
  public void actionPerformed(ActionEvent e) {
    String a, b, c, f, g, h, j, k, l, m, n, o, p, tol = "";

    try {
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      con = DriverManager.getConnection("jdbc:odbc:db2");
      stm = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
    } catch (Exception error) {
      System.out.println(error);
    }

    if (e.getSource() == student) {
      name = "Student";
      cl.show(pnc, "cstu");
      try {
        rs = stm.executeQuery("Select * from Student");
        rs.next();
        t1.setText(rs.getString(1));
        t2.setText(rs.getString(2));
        t3.setText(rs.getString(3));
        t4.setText(rs.getString(4));
        t5.setText(rs.getString(5));
        t6.setText(rs.getString(6));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == teacher) {
      name = "Teacher";
      cl.show(pnc, "ctea");
      try {
        rs = stm.executeQuery("Select * from Teacher");
        rs.next();
        t11.setText(rs.getString(1));
        t12.setText(rs.getString(2));
        t13.setText(rs.getString(3));
        t14.setText(rs.getString(4));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == course) {
      name = "Course";
      cl.show(pnc, "ccou");
      try {
        rs = stm.executeQuery("Select * from Course");
        rs.next();
        t7.setText(rs.getString(1));
        t8.setText(rs.getString(2));
        t9.setText(rs.getString(3));
        t0.setText(rs.getString(4));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == result) {
      name = "Result";
      cl.show(pnc, "cres");
      try {
        rs = stm.executeQuery("Select * from Result");
        rs.next();
        t15.setText(rs.getString(1));
        t16.setText(rs.getString(2));
        t17.setText(rs.getString(3));
        t18.setText(rs.getString(4));
        t19.setText(rs.getString(5));
        t20.setText(rs.getString(6));
        t21.setText(rs.getString(7));
        t22.setText(rs.getString(8));
        t23.setText(rs.getString(9));
        t24.setText(rs.getString(10));
        t25.setText(rs.getString(11));
        t26.setText(rs.getString(12));
        t27.setText(rs.getString(13));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b6) {
      Vector cols = new Vector();
      Vector rows = new Vector();

      if (z == 1) {
        String sql = "Select * from " + co;
        try {
          rs = stm.executeQuery(sql);
          meta = rs.getMetaData();
          for (int i = 1; i <= meta.getColumnCount(); i++) cols.addElement(meta.getColumnName(i));
          while (rs.next()) {
            Vector currow = new Vector();
            for (int i = 1; i <= meta.getColumnCount(); i++) currow.addElement(rs.getString(i));
            rows.addElement(currow);
          }
        } catch (Exception ex) {
          System.out.print(ex);
        }
        tb = new JTable(rows, cols);
        js = new JScrollPane(tb);
        pne2.remove(js);
        pne2.add(blk, "bb");
        cl2.show(pne2, "bb");
        pne2.add(js, "jjs");
        cl2.show(pne2, "jjs");
        pne2.remove(blk);
        z = 0;
      }
    }

    if (e.getSource() == b1) // **** ADD BUTTON ****//
    {
      if (name == "Student") {
        a = t1.getText();
        b = t2.getText();
        c = t3.getText();
        f = t4.getText();
        g = t5.getText();
        h = t6.getText();

        tol =
            "Insert into Student values ('"
                + a
                + "','"
                + b
                + "','"
                + c
                + "','"
                + f
                + "','"
                + g
                + "','"
                + h
                + "')";
      }

      if (name == "Teacher") {
        a = t11.getText();
        b = t12.getText();
        c = t13.getText();
        f = t14.getText();

        tol = "Insert into Teacher values ('" + a + "','" + b + "','" + c + "','" + f + "')";
      }

      if (name == "Course") {
        a = t7.getText();
        b = t8.getText();
        c = t9.getText();
        f = t0.getText();

        tol = "Insert into Course values ('" + a + "','" + b + "','" + c + "','" + f + "')";
      }

      if (name == "Result") {
        a = t15.getText();
        b = t16.getText();
        c = t17.getText();
        f = t18.getText();
        g = t19.getText();
        h = t20.getText();
        j = t21.getText();
        k = t22.getText();
        l = t23.getText();
        m = t24.getText();
        n = t25.getText();
        o = t26.getText();
        p = t27.getText();

        tol =
            "Insert into Result values ('"
                + a
                + "','"
                + b
                + "','"
                + c
                + "','"
                + f
                + "','"
                + g
                + "','"
                + h
                + "','"
                + j
                + "','"
                + k
                + "','"
                + l
                + "','"
                + m
                + "','"
                + n
                + "','"
                + o
                + "','"
                + p
                + "')";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b2) // **** DELETE BUTTON ****//
    {
      if (name == "Student") {
        b = t2.getText();
        tol = "Delete from Student where Id = '" + b + "'";
      }

      if (name == "Teacher") {
        b = t12.getText();
        tol = "Delete from Teacher where Id = '" + b + "'";
      }

      if (name == "Course") {
        b = t8.getText();
        tol = "Delete from Course where Id = '" + b + "'";
      }

      if (name == "Result") {
        b = t16.getText();
        tol = "Delete from Result where Code = '" + b + "'";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b3) // **** UPDATE BUTTON ****//
    {
      if (name == "Student") {
        a = t1.getText();
        b = t2.getText();
        c = t3.getText();
        f = t4.getText();
        g = t5.getText();
        h = t6.getText();

        tol =
            "Update Student set Name = '"
                + a
                + "', ID = '"
                + b
                + "', Dept = '"
                + c
                + "', CGPA = '"
                + f
                + "', Address = '"
                + g
                + "', Cell = '"
                + h
                + "' where ID = '"
                + b
                + "'";
      }

      if (name == "Teacher") {
        a = t11.getText();
        b = t12.getText();
        c = t13.getText();
        f = t14.getText();

        tol =
            "Update Teacher set Name = '"
                + a
                + "', ID = '"
                + b
                + "', Dept = '"
                + c
                + "', Course = '"
                + f
                + "' where ID = '"
                + b
                + "'";
      }

      if (name == "Course") {
        a = t7.getText();
        b = t8.getText();
        c = t9.getText();
        f = t0.getText();

        tol =
            "Update Course set Name = '"
                + a
                + "', Code = '"
                + b
                + "', Credit = '"
                + c
                + "', Prerecusite = '"
                + f
                + "' where Code = '"
                + b
                + "'";
      }

      if (name == "Result") {
        a = t15.getText();
        b = t16.getText();
        c = t17.getText();
        f = t18.getText();
        g = t19.getText();
        h = t20.getText();
        j = t21.getText();
        k = t22.getText();
        l = t23.getText();
        m = t24.getText();
        n = t25.getText();
        o = t26.getText();
        p = t27.getText();

        tol =
            "Update Result set Course = '"
                + a
                + "', Code = '"
                + b
                + "', Credit = '"
                + c
                + "', A = '"
                + f
                + "', B+ = '"
                + g
                + "', B = '"
                + h
                + "', C+ = '"
                + j
                + "', C = '"
                + k
                + "', D+ = '"
                + l
                + "', D = '"
                + m
                + "', F = '"
                + n
                + "', I = '"
                + o
                + "', W = '"
                + p
                + "' where Code = '"
                + b
                + "'";
        // JOptionPane.showMessageDialog(null,tol,null,JOptionPane.PLAIN_MESSAGE);
        // tol = "Update Result set Course = '"+a+"', Code = '"+b+"', Credit = '"+c+"' where Code =
        // '"+b+"'";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b4) // **** NEXT BUTTON ****//
    {
      if (name == "Student") {
        try {
          if (rs.next()) {
            t1.setText(rs.getString(1));
            t2.setText(rs.getString(2));
            t3.setText(rs.getString(3));
            t4.setText(rs.getString(4));
            t5.setText(rs.getString(5));
            t6.setText(rs.getString(6));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Teacher") {
        try {
          if (rs.next()) {
            t11.setText(rs.getString(1));
            t12.setText(rs.getString(2));
            t13.setText(rs.getString(3));
            t14.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Course") {
        try {
          if (rs.next()) {
            t7.setText(rs.getString(1));
            t8.setText(rs.getString(2));
            t9.setText(rs.getString(3));
            t0.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Result") {
        try {
          if (rs.next()) {
            t15.setText(rs.getString(1));
            t16.setText(rs.getString(2));
            t17.setText(rs.getString(3));
            t18.setText(rs.getString(4));
            t19.setText(rs.getString(5));
            t20.setText(rs.getString(6));
            t21.setText(rs.getString(7));
            t22.setText(rs.getString(8));
            t23.setText(rs.getString(9));
            t24.setText(rs.getString(10));
            t25.setText(rs.getString(11));
            t26.setText(rs.getString(12));
            t27.setText(rs.getString(13));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }
    }

    if (e.getSource() == b5) // **** PREVIOUS BUTTON ****//
    {
      if (name == "Student") {
        try {
          if (rs.previous()) {
            t1.setText(rs.getString(1));
            t2.setText(rs.getString(2));
            t3.setText(rs.getString(3));
            t4.setText(rs.getString(4));
            t5.setText(rs.getString(5));
            t6.setText(rs.getString(6));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Teacher") {
        try {
          if (rs.previous()) {
            t11.setText(rs.getString(1));
            t12.setText(rs.getString(2));
            t13.setText(rs.getString(3));
            t14.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Course") {
        try {
          if (rs.previous()) {
            t7.setText(rs.getString(1));
            t8.setText(rs.getString(2));
            t9.setText(rs.getString(3));
            t0.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Result") {
        try {
          if (rs.previous()) {
            t15.setText(rs.getString(1));
            t16.setText(rs.getString(2));
            t17.setText(rs.getString(3));
            t18.setText(rs.getString(4));
            t19.setText(rs.getString(5));
            t20.setText(rs.getString(6));
            t21.setText(rs.getString(7));
            t22.setText(rs.getString(8));
            t23.setText(rs.getString(9));
            t24.setText(rs.getString(10));
            t25.setText(rs.getString(11));
            t26.setText(rs.getString(12));
            t27.setText(rs.getString(13));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }
    }
  }
  public void actionPerformed(ActionEvent ae) {
    os = a.getText();
    Pattern pat = Pattern.compile("[ .]");
    String ms[] = pat.split(os), v; // Get whole String from Text area in tokens form

    Pattern pat1 = Pattern.compile("[ ]");
    String ms1[] = pat1.split(os); // for string aaray

    int hcode[] = {100, 102, 220, 110, 111},
        ecode[] = new int[20],
        j,
        p = 0; // p for check entry & hcode=Hindi lang.code  ecode=English lang. code
    ResultSet rs;
    b.setText("");
    try {
      Class.forName("oracle.jdbc.driver.OracleDriver");
      Connection con =
          DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe", "system", "student");
      Statement stmt = con.createStatement();
      for (i = 0; i <= ms.length; i++) {
        v = "'" + ms[i] + "'";
        p = 0;
        if (p == 0) {
          rs = stmt.executeQuery("select hnoun from noun where enoun=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 100;
          }
        }

        if (p == 0) {
          rs = stmt.executeQuery("select hhv from hv where ehv=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 111;
          }
        }

        if (p == 0) {
          rs = stmt.executeQuery("select hneg from neg where eneg=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 220;
          }
        }

        if (p == 0) {
          rs = stmt.executeQuery("select hverb from verb where everb=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 110;
          }
        }

        if (p == 0) {
          rs = stmt.executeQuery("select hpre from pre where epre=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 140;
          }
        }
        if (p == 0) {
          rs = stmt.executeQuery("select hpro from pro where epro=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 102;
          }
        }

        if (p == 0) {
          rs = stmt.executeQuery("select hart from art where eart=" + v);
          while (rs.next()) {
            ms1[i] = (rs.getString(1));
            p++;
            ecode[i] = 123;
          }
        }
      }

      con.close();

    } catch (Exception e) {
      System.out.println(e);
    }

    for (i = 0; i < 5; i++) {
      for (j = 0; j < ms.length; j++) {
        if (hcode[i] == ecode[j]) {
          b.append(ms1[j] + " "); // print to hindi code wise
        }
      }
    }
  }