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);
}
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 input stream of the connection
*
* @return InputStream
*/
public InputStream openInputStream() throws IOException {
return connection.openInputStream();
}
/**
* 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) {
}
}
}
