source: osm/applications/editors/josm/plugins/dataimport/src/org/openstreetmap/josm/io/TangoGPS.java@ 16176

/**
 *
 */
package org.openstreetmap.josm.io;

import static org.openstreetmap.josm.tools.I18n.tr;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;

import javax.swing.JOptionPane;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.ExtensionFileFilter;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.gpx.GpxData;
import org.openstreetmap.josm.data.gpx.GpxTrack;
import org.openstreetmap.josm.data.gpx.WayPoint;
import org.openstreetmap.josm.gui.layer.GpxLayer;
import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;

/**
 * @author dmuecke Data import for TangoGPS file format.
 */
public class TangoGPS extends FileImporter {

        public TangoGPS() {
                super(new ExtensionFileFilter("log", "log",tr("TangoGPS Files (*.log)")));
        }

        /**
         * @author cbrill
         * This function imports data from file and adds trackpoints
         *         to a layer.
         * Read a log file from TangoGPS. These are simple text files in the
         * form: <lat>,<lon>,<elevation>,<speed>,<course>,<hdop>,<datetime>
         */
        @Override
        public void importData(File file) throws IOException {
                // create the data tree
                GpxData data = new GpxData();
                GpxTrack currentTrack = new GpxTrack();
                data.tracks.add(currentTrack);
                ArrayList<WayPoint> currentTrackSeg = new ArrayList<WayPoint>();

                int imported = 0;
                int failure = 0;

                BufferedReader rd = null;
                try {
                        InputStream source = new FileInputStream(file);
                        rd = new BufferedReader(new InputStreamReader(source));

                        String line;
                        while ((line = rd.readLine()) != null) {
                                failure++;
                                String[] lineElements = line.split(",");
                                if (lineElements.length == 7) {
                                        try {
                                                WayPoint currentWayPoint = new WayPoint(
                                                                parseLatLon(lineElements));
                                                currentWayPoint.attr.put("ele", lineElements[2]);
                                                currentWayPoint.attr.put("time", lineElements[6]);
                                                currentWayPoint.setTime();
                                                currentTrackSeg.add(currentWayPoint);
                                                imported++;
                                        } catch (NumberFormatException e) {
                                                e.printStackTrace();
                                        }
                                }
                        }
                        failure = failure - imported;
                        if(imported > 0) {
                                currentTrack.trackSegs.add(currentTrackSeg);
                                data.recalculateBounds();
                                data.storageFile = file;
                                GpxLayer gpxLayer = new GpxLayer(data, file.getName());
                                Main.main.addLayer(gpxLayer);
                                if (Main.pref.getBoolean("marker.makeautomarkers", true)) {
                                        MarkerLayer ml = new MarkerLayer(data, tr("Markers from {0}", file.getName()), file, gpxLayer);
                                        if (ml.data.size() > 0) {
                                                Main.main.addLayer(ml);
                                        }
                                }
                        }
                        showInfobox(imported,failure);
                } finally {
                        if (rd != null)
                                rd.close();
                }
        }

        private double parseCoord(String s) {
                return Double.parseDouble(s);
        }

        private LatLon parseLatLon(String[] lineElements) {
                if (lineElements.length < 2)
                        return null;
                return new LatLon(parseCoord(lineElements[0]),
                                parseCoord(lineElements[1]));
        }

    private void showInfobox(int success,int failure) {
        String msg = tr("Coordinates imported: ") + success + " " + tr("Format errors: ") + failure + "\n";
        if (success > 0) {
            JOptionPane.showMessageDialog(Main.parent, msg, tr("TangoGPS import success"), JOptionPane.INFORMATION_MESSAGE);
        } else {
            JOptionPane.showMessageDialog(Main.parent, msg, tr("TangoGPS import faliure!"), JOptionPane.ERROR_MESSAGE);
        }
    }


}