track.java

GPS Track connects to a GPS and records the path that you travel. Tracks can be uploaded to a web s

                latitude |= 0x000000ff & bytes[2];
                latitude |= (latitude & 0x00800000) != 0 ? 0xff000000 : 0;
                int longitude = 0x00ff0000 & (bytes[3] << 16);
                longitude |= 0x0000ff00 & (bytes[4] << 8);
                longitude |= 0x000000ff & bytes[5];
                longitude |= (longitude & 0x00800000) != 0 ? 0xff000000 : 0;
                if (recordId == 1) {
                    out.write("    <Placemark>\r\n".getBytes());
                    out.write("      <name>Start</name>\r\n".getBytes());
                    out.write("      <styleUrl>#waypoint</styleUrl>\r\n".getBytes());
                    out.write("      <Point>\r\n".getBytes());
                    out.write("        <coordinates>\r\n".getBytes());
                    writeKmlPosition(out, latitude, longitude);
                    out.write("        </coordinates>\r\n".getBytes());
                    out.write("      </Point>\r\n".getBytes());
                    out.write("    </Placemark>\r\n".getBytes());
                    out.write("    <Placemark>\r\n".getBytes());
                    out.write("      <name>Track</name>\r\n".getBytes());
                    out.write("      <styleUrl>#track</styleUrl>\r\n".getBytes());
                    out.write("      <LineString>\r\n".getBytes());
                    out.write("        <coordinates>\r\n".getBytes());
                }
                writeKmlPosition(out, latitude, longitude);
                if (recordId == numRecords) {
                    out.write("        </coordinates>\r\n".getBytes());
                    out.write("      </LineString>\r\n".getBytes());
                    out.write("    </Placemark>\r\n".getBytes());
                    out.write("    <Placemark>\r\n".getBytes());
                    out.write("      <name>End</name>\r\n".getBytes());
                    out.write("      <styleUrl>#waypoint</styleUrl>\r\n".getBytes());
                    out.write("      <Point>\r\n".getBytes());
                    out.write("        <coordinates>\r\n".getBytes());
                    writeKmlPosition(out, latitude, longitude);
                    out.write("        </coordinates>\r\n".getBytes());
                    out.write("      </Point>\r\n".getBytes());
                    out.write("    </Placemark>\r\n".getBytes());
                }
                if (gauge != null)
                    gauge.setValue(recordId * 10 / numRecords);
                try {
                    Thread.currentThread().sleep(100);
                } catch (InterruptedException ex) { }
            }
            out.write("  </Document>\r\n".getBytes());
            out.write("</kml>\r\n".getBytes());
        } finally {
            try {
                if (recordStore != null)
                    recordStore.closeRecordStore();
            } catch (Exception e) { }
        }
    }

    private static void writeKmlPosition(DataOutputStream out, int latitude, int longitude) throws IOException {
        out.write(new Float(longitude).Div(DEGREESTOINT).toString().getBytes());
        out.write(",".getBytes());
        out.write(new Float(latitude).Div(DEGREESTOINT).toString().getBytes());
        out.write(",0\r\n".getBytes());
    }
    
    private static void writeGpx(DataOutputStream out, String trackName, Gauge gauge) throws IOException, RecordStoreException {
        RecordStore recordStore = null;
        try { 
            out.write("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\r\n".getBytes());
            out.write("<gpx version=\"1.0\"\r\n".getBytes());
            out.write("creator=\"GpsTrack - http://www.qcontinuum.org/gpstrack\"\r\n".getBytes());
            out.write("xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"".getBytes());
            out.write(" xmlns=\"http://www.topografix.com/GPX/1/0\"\r\n".getBytes());
            out.write("xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\r\n".getBytes());
            out.write("<trk>\r\n".getBytes());
            out.write("<name>".getBytes());
            out.write(trackName.getBytes());
            out.write("</name>\r\n".getBytes());
            out.write("<trkseg>\r\n".getBytes());
            recordStore = RecordStore.openRecordStore(trackName, false);
            int numRecords = recordStore.getNumRecords();
            byte[] bytes = new byte[6];
            for (int recordId = 1; recordId <= numRecords; recordId++) {
                recordStore.getRecord(recordId, bytes, 0);
                int latitude = 0x00ff0000 & (bytes[0] << 16);
                latitude |= 0x0000ff00 & (bytes[1] << 8);
                latitude |= 0x000000ff & bytes[2];
                latitude |= (latitude & 0x00800000) != 0 ? 0xff000000 : 0;
                int longitude = 0x00ff0000 & (bytes[3] << 16);
                longitude |= 0x0000ff00 & (bytes[4] << 8);
                longitude |= 0x000000ff & bytes[5];
                longitude |= (longitude & 0x00800000) != 0 ? 0xff000000 : 0;
                out.write("<trkpt lat=\"".getBytes());
                out.write(new Float(latitude).Div(DEGREESTOINT).toString().getBytes());
                out.write("\" lon=\"".getBytes());
                out.write(new Float(longitude).Div(DEGREESTOINT).toString().getBytes());
                out.write("\"></trkpt>\r\n".getBytes());
                if (gauge != null)
                    gauge.setValue(recordId * 10 / numRecords);
                try {
                    Thread.currentThread().sleep(100);
                } catch (InterruptedException ex) { }
            }
            out.write("</trkseg>\r\n".getBytes());
            out.write("</trk>\r\n".getBytes());
            out.write("</gpx>\r\n".getBytes());
        } finally {
            try {
                if (recordStore != null)
                    recordStore.closeRecordStore();
            } catch (Exception e) { }
        }
    }

    private static void writeCsv(DataOutputStream out, String trackName, Gauge gauge) throws IOException, RecordStoreException {
        RecordStore recordStore = null;
        try { 
            out.write("latitude,longitude\r\n".getBytes());
            recordStore = RecordStore.openRecordStore(trackName, false);
            int numRecords = recordStore.getNumRecords();
            byte[] bytes = new byte[6];
            for (int recordId = 1; recordId <= numRecords; recordId++) {
                recordStore.getRecord(recordId, bytes, 0);
                int latitude = 0x00ff0000 & (bytes[0] << 16);
                latitude |= 0x0000ff00 & (bytes[1] << 8);
                latitude |= 0x000000ff & bytes[2];
                latitude |= (latitude & 0x00800000) != 0 ? 0xff000000 : 0;
                int longitude = 0x00ff0000 & (bytes[3] << 16);
                longitude |= 0x0000ff00 & (bytes[4] << 8);
                longitude |= 0x000000ff & bytes[5];
                longitude |= (longitude & 0x00800000) != 0 ? 0xff000000 : 0;
                out.write(new Float(latitude).Div(DEGREESTOINT).toString().getBytes());
                out.write(",".getBytes());
                out.write(new Float(longitude).Div(DEGREESTOINT).toString().getBytes());
                out.write("\r\n".getBytes());
                if (gauge != null)
                    gauge.setValue(recordId * 10 / numRecords);
                try {
                    Thread.currentThread().sleep(100);
                } catch (InterruptedException ex) { }
            }
        } finally {
            try {
                if (recordStore != null)
                    recordStore.closeRecordStore();
            } catch (Exception e) { }
        }
    }

    private static void writeBinary(DataOutputStream out, String trackName, Gauge gauge) throws IOException, RecordStoreException {
        RecordStore recordStore = null;
        try { 
            recordStore = RecordStore.openRecordStore(trackName, false);
            int numRecords = recordStore.getNumRecords();
            byte[] bytes = new byte[6];
            for (int recordId = 1; recordId <= numRecords; recordId++) {
                recordStore.getRecord(recordId, bytes, 0);
                out.write(bytes);
                if (gauge != null)
                    gauge.setValue(recordId * 10 / numRecords);
                try {
                    Thread.currentThread().sleep(100);
                } catch (InterruptedException ex) { }
            }
        } finally {
            try {
                if (recordStore != null)
                    recordStore.closeRecordStore();
            } catch (Exception e) { }
        }
    }

    public static void writeHttp(int format, String trackName, String userName, Gauge gauge) throws IOException, RecordStoreException {
        HttpConnection httpConnection = null;
        DataOutputStream dataOutputStream = null;
        Preferences preferences = GpsTrack.getPreferences();
        try {
            httpConnection =(HttpConnection)
                Connector.open("http://qcontinuum.org/scripts/gpstrack.cgi");
            httpConnection.setRequestMethod(HttpConnection.POST);
            httpConnection.setRequestProperty("User-Agent", "Profile/MIDP-2.0 Configuration/CLDC-1.0");
            String boundary = "AaB03x";
            httpConnection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
            dataOutputStream = new DataOutputStream(httpConnection.openDataOutputStream());
            dataOutputStream.write(("--" + boundary + "\r\n").getBytes());
            writeHttpParam("platform", System.getProperty("microedition.platform"), dataOutputStream);
            dataOutputStream.write(("--" + boundary + "\r\n").getBytes());
            writeHttpParam("gps", preferences.getBluetoothHost(), dataOutputStream);
            dataOutputStream.write(("--" + boundary + "\r\n").getBytes());
            writeHttpParam("format", getFormatName(format), dataOutputStream);
            dataOutputStream.write(("--" + boundary + "\r\n").getBytes());
            writeHttpParam("email", userName, dataOutputStream);
            dataOutputStream.write(("--" + boundary + "\r\n").getBytes());
            writeHttpFile("file", trackName, dataOutputStream, gauge);
            dataOutputStream.write(("--" + boundary + "--\r\n").getBytes());
        } finally {
            try {
                if (dataOutputStream != null)
                    dataOutputStream.close();
                if (httpConnection != null)
                    httpConnection.close();
            } catch (Exception e) { }
        }
    }

    private static void writeHttpParam(String name, String value, DataOutputStream out) {
        try {
            out.write(("Content-Disposition: form-data; name=\"" + name + "\"\r\n\r\n").getBytes());
            if (value != null)
                out.write(value.getBytes());
            out.write(("\r\n").getBytes());
        } catch (Exception e) {
            System.out.println(e.toString());
        }
    }

    private static void writeHttpFile(String name, String trackName, DataOutputStream out, Gauge gauge)
    {
        try {
            out.write(("Content-Disposition: form-data; name=\"" + name + "\"; filename=\""
            + trackName + "\"\r\n").getBytes());
            out.write(("Content-Type: application/octet-stream" + "\r\n\r\n").getBytes());
            Track.write(FORMAT_BINARY, out, trackName, gauge);
            out.write(("\r\n").getBytes());
        } catch (Exception e) { 
            System.out.println(e.toString()); 
        }
    }

}