Beispiel #1
0
  private void getTrafficSpots() {
    controller.showProgressBar();
    String uploadWebsite =
        "http://" + controller.selectedCity.URL + "/php/trafficstatus.cache?dummy=ert43";
    String[] ArrayOfData = null;
    StreamConnection c = null;
    InputStream s = null;
    StringBuffer b = new StringBuffer();

    String url = uploadWebsite;
    System.out.print(url);
    try {
      c = (StreamConnection) Connector.open(url);
      s = c.openDataInputStream();
      int ch;
      int k = 0;
      while ((ch = s.read()) != -1) {
        System.out.print((char) ch);
        b.append((char) ch);
      }
      // System.out.println("b"+b);
      try {
        JSONObject ff1 = new JSONObject(b.toString());
        String data1 = ff1.getString("locations");
        JSONArray jsonArray1 = new JSONArray(data1);
        Vector TrafficStatus = new Vector();
        for (int i = 0; i < jsonArray1.length(); i++) {

          System.out.println(jsonArray1.getJSONArray(i).getString(3));
          double aDoubleLat = Double.parseDouble(jsonArray1.getJSONArray(i).getString(1));
          double aDoubleLon = Double.parseDouble(jsonArray1.getJSONArray(i).getString(2));
          System.out.println(aDoubleLat + " " + aDoubleLon);
          TrafficStatus.addElement(
              new LocationPointer(
                  jsonArray1.getJSONArray(i).getString(3),
                  (float) aDoubleLon,
                  (float) aDoubleLat,
                  1,
                  true));
        }
        controller.setCurrentScreen(controller.TrafficSpots(TrafficStatus));
      } catch (Exception E) {
        controller.setCurrentScreen(traf);
        new Thread() {
          public void run() {
            controller.showAlert("Error in network connection.", Alert.FOREVER, AlertType.INFO);
          }
        }.start();
      }

    } catch (Exception e) {

      controller.setCurrentScreen(traf);
      new Thread() {
        public void run() {
          controller.showAlert("Error in network connection.", Alert.FOREVER, AlertType.INFO);
        }
      }.start();
    }
  }
Beispiel #2
0
  private String[] GetDataFromSite() {

    String uploadWebsite = "http://" + controller.selectedCity.URL + "/cameras/mobile_cam_list.php";
    String[] ArrayOfData = null;
    StreamConnection c = null;
    InputStream s = null;
    StringBuffer b = new StringBuffer();

    String url = uploadWebsite;
    System.out.print(url);
    try {
      c = (StreamConnection) Connector.open(url);
      s = c.openDataInputStream();
      int ch;
      int k = 0;
      while ((ch = s.read()) != -1) {
        System.out.print((char) ch);
        b.append((char) ch);
      }

      String result = b.toString();
      if (!result.equals("")) {

        ArrayOfData = StringUtil.split(result.toString().trim(), "~~");
        if (ArrayOfData.length == 0) {
          controller.MainMenu();
          new Thread() {
            public void run() {
              controller.showAlert("Network Error", 0, AlertType.ERROR);
            }
          }.start();
        }
      }
    } catch (Exception e) {
      System.out.print(e);
      new Thread() {
        public void run() {
          controller.showProgressBar();
        }
      }.start();
      // controller.getDisp().setCurrent(this);

    }

    return ArrayOfData;
  }
  protected BTGPSLocationProvider() throws LocationException {

    // TODO: Move this to searchConnect method?
    // TODO: The problem here is that it searches every time. Slow. Need to try Properties?
    // TODO: BIG ONE: Should only connect to GPS that isPaired() (from menu). Will
    // allow some degree of control over which GPS is connects to in classroom.
    try {
      da = LocalDevice.getLocalDevice().getDiscoveryAgent();
      da.startInquiry(DiscoveryAgent.GIAC, this);
    } catch (BluetoothStateException e) {
      throw new LocationException(e.getMessage());
    }

    while (!doneInq) {
      Thread.yield();
    }

    if (btDevice == null) throw new LocationException("No device found");

    String address = btDevice.getBluetoothAddress();
    String btaddy = "btspp://" + address;

    try {
      StreamConnectionNotifier scn = (StreamConnectionNotifier) Connector.open(btaddy);

      if (scn == null) throw new LocationException("Bad BT address");
      StreamConnection c = scn.acceptAndOpen();

      /* This problem below occurred one time for my Holux GPS. The solution was to
       * remove the device from the Bluetooth menu, then find and pair again.
       */
      if (c == null) throw new LocationException("Failed. Try pairing at menu again");
      InputStream in = c.openInputStream();

      if (in != null) {
        gps = new SimpleGPS(in);
        // c.close(); // TODO: Clean up when done. HOW TO HANDLE IN LOCATION?
      }
    } catch (IOException e) {
      throw new LocationException(e.getMessage());
    }
    // Add itself to SimpleGPS as listener
    SimpleGPS.addListener(this);
  }
 /** method to disconnect from the server */
 public void disconnect() throws IOException {
   // if stream connection is present then
   if (streamConnection != null) {
     // close all streams
     dataOutputStream.close();
     dataInputStream.close();
     streamConnection.close();
   }
   // nullify all stream objects
   dataOutputStream = null;
   dataInputStream = null;
   streamConnection = null;
   // initiate garbage collector
   System.gc();
   // set the connected flag to false indicating no connection
   connected = false;
 }
  public void run() {

    StreamConnection stream = null;
    InputStream input = null;
    MDSPushInputStream pushInputStream = null;

    while (!_stop) {
      try {

        // Synchronize here so that we don't end up creating a connection that is never closed.
        synchronized (this) {
          // Open the connection once (or re-open after an IOException),  so we don't end up
          // in a race condition, where a push is lost if it comes in before the connection
          // is open again. We open the url with a parameter that indicates that we should
          // always use MDS when attempting to connect.
          int port = RhoConf.getInstance().getInt("push_port");
          if (port == 0) port = 100;
          _notify = (StreamConnectionNotifier) Connector.open(URL + port + ";deviceside=false");
        }

        while (!_stop) {

          // NOTE: the following will block until data is received.
          LOG.TRACE("Block push thread until data is recieved");
          stream = _notify.acceptAndOpen();
          LOG.TRACE("Recieved push data");

          try {
            input = stream.openInputStream();
            pushInputStream = new MDSPushInputStream((HttpServerConnection) stream, input);

            // Extract the data from the input stream.

            DataBuffer db = new DataBuffer();
            byte[] data = new byte[CHUNK_SIZE];
            int chunk = 0;

            while (-1 != (chunk = input.read(data))) {
              db.write(data, 0, chunk);
            }

            processPushMessage(data);

            // This method is called to accept the push.
            pushInputStream.accept();

            input.close();
            stream.close();

            data = db.getArray();

          } catch (IOException e1) {
            // A problem occurred with the input stream , however, the original
            // StreamConnectionNotifier is still valid.
            System.err.println(e1.toString());

            if (input != null) {
              try {
                input.close();
              } catch (IOException e2) {
              }
            }

            if (stream != null) {
              try {
                stream.close();
              } catch (IOException e2) {
              }
            }
          }
        }

        _notify.close();
        _notify = null;

      } catch (IOException ioe) {
        LOG.TRACE("Exception thrown by _notify.acceptAndOpen() - exiting push thread");

        // Likely the stream was closed. Catches the exception thrown by
        // _notify.acceptAndOpen() when this program exits.

        _stop = true;

        if (_notify != null) {
          try {
            _notify.close();
            _notify = null;
          } catch (IOException e) {
          }
        }
      }
    }
  }
 /**
  * Method to return the output stream of the connection
  *
  * @return OutputStream
  */
 public OutputStream openOutputStream() throws IOException {
   return connection.openOutputStream();
 }
Beispiel #7
0
    /**
     * Get the list of suites for the user to install. The suites that are listed are the links on a
     * web page that end with .jad.
     */
    public void run() {
      StreamConnection conn = null;
      InputStreamReader in = null;
      String errorMessage;
      long startTime;

      startTime = System.currentTimeMillis();

      try {
        parent.displayProgressForm(
            Resource.getString(ResourceConstants.AMS_DISC_APP_GET_INSTALL_LIST),
            "",
            url,
            0,
            Resource.getString(ResourceConstants.AMS_GRA_INTLR_CONN_GAUGE_LABEL));
        conn = (StreamConnection) Connector.open(url, Connector.READ);
        in = new InputStreamReader(conn.openInputStream());
        try {
          parent.updateProgressForm(
              "", 0, Resource.getString(ResourceConstants.AMS_DISC_APP_GAUGE_LABEL_DOWNLOAD));

          parent.installList = SuiteDownloadInfo.getDownloadInfoFromPage(in);

          if (parent.installList.size() > 0) {
            parent.installListBox =
                new List(
                    Resource.getString(ResourceConstants.AMS_DISC_APP_SELECT_INSTALL),
                    Choice.IMPLICIT);

            // Add each suite
            for (int i = 0; i < parent.installList.size(); i++) {
              SuiteDownloadInfo suite = (SuiteDownloadInfo) installList.elementAt(i);
              parent.installListBox.append(suite.label, (Image) null);
            }

            parent.installListBox.addCommand(parent.backCmd);
            parent.installListBox.addCommand(parent.installCmd);
            parent.installListBox.setCommandListener(parent);

            /*
             * We need to prevent "flashing" on fast development
             * platforms.
             */
            while (System.currentTimeMillis() - parent.lastDisplayChange
                < GraphicalInstaller.ALERT_TIMEOUT) ;

            parent.display.setCurrent(parent.installListBox);
            return;
          }

          errorMessage = Resource.getString(ResourceConstants.AMS_DISC_APP_CHECK_URL_MSG);
        } catch (IllegalArgumentException ex) {
          errorMessage = Resource.getString(ResourceConstants.AMS_DISC_APP_URL_FORMAT_MSG);
        } catch (Exception ex) {
          errorMessage = ex.getMessage();
        }
      } catch (Exception ex) {
        errorMessage = Resource.getString(ResourceConstants.AMS_DISC_APP_CONN_FAILED_MSG);
      } finally {
        if (parent.progressForm != null) {
          // end the background thread of progress gauge.
          Gauge progressGauge = (Gauge) parent.progressForm.get(parent.progressGaugeIndex);
          progressGauge.setValue(Gauge.CONTINUOUS_IDLE);
        }

        try {
          conn.close();
          in.close();
        } catch (Exception e) {
          if (Logging.REPORT_LEVEL <= Logging.WARNING) {
            Logging.report(Logging.WARNING, LogChannels.LC_AMS, "close threw an Exception");
          }
        }
      }

      Alert a =
          new Alert(
              Resource.getString(ResourceConstants.ERROR), errorMessage, null, AlertType.ERROR);
      a.setTimeout(Alert.FOREVER);
      parent.display.setCurrent(a, parent.urlTextBox);
    }
  /** Implementation of Thread. */
  public void run() {
    StreamConnection connection = null;

    try {
      _screen.updateDisplay("Opening Connection...");
      String url =
          "socket://"
              + _screen.getHostFieldText()
              + ":44444;interface=wifi"
              + (_screen.isDirectTCP() ? ";deviceside=true" : "");
      connection = (StreamConnection) Connector.open(url);
      _screen.updateDisplay("Connection with " + _screen.getHostFieldText() + " established.");

      _in = connection.openInputStream();
      _out = new OutputStreamWriter(connection.openOutputStream());

      // Send the HELLO string.
      // send("Hello from BlackBerry 9860.");
      // send("Hello from BlackBerry 9860.");
      send(AzrRP_Screen.getMsg());

      // Execute further data exchange here...

      // send("Bye");

      _screen.updateDisplay("Done!");
    } catch (IOException e) {
      System.err.println(e.toString());
    } finally {
      _screen.setThreadRunning(false);

      try {
        _in.close();
      } catch (IOException ioe) {
      }
      try {
        _out.close();
        AzrRP_Screen.setMsg(null);

      } catch (IOException ioe) {
      }
      try {
        connection.close();

      } catch (IOException ioe) {
      }
    }
  }