Android Open Source - LinuxDayAppAndroid Base L M Tag

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License

The source code is released under:

GNU General Public License

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Java Source Code

package it.mn.salvi.linuxDayOSM;
// www .  j a v  a 2  s .c om
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.content.Context;
import android.content.res.Resources;
import android.text.Html;

public abstract class BaseLMTag extends GeoTag {
  protected String organizzazione;
  protected String sito;
  protected int msgStringId = R.string.LugDialog;
  protected int titleId = R.string.LugTitle;

  public BaseLMTag (GeoTag next, String[] titles, String record, Resources res) throws Exception {
    super(next, null);
    String[] fields = OsmBrowser.tabParser(record);
    // Log.i("stdout","Record '" + record +"'");
    // Log.i("stdout","Campi " + fields.length);
    // for (int i = 0; i < fields.length; i++) {
    //    Log.i("stdout",fields[i]);
    // }
    organizzazione = fields[2];
    // <a href="http://www.alflug.it/">http://www.alflug.it/</a>
    Pattern p = Pattern.compile(".*href=\"([^\"]*)\".*");
    // Pattern p = Pattern.compile(".*>([^<]*)<.*");
    Matcher m = p.matcher(fields[3]);
    // Log.i("stdout","Sito : " + fields[3] + " Pattern trovato " + m.matches() + " Gruppi " + m.groupCount());
    if (m.matches()) {
      sito = m.group(1);
    } else {
      throw new Exception("Non riesco a capire l'indirizzo del sito");
    }
    // Proiezione EPSG:900913 - A me serve WGS84
    /* http://www.maptiler.org/google-maps-coordinates-tile-bounds-projection/
            self.originShift = 2 * math.pi * 6378137 / 2.0
            # 20037508.342789244

        def MetersToLatLon(self, mx, my ):
            "Converts XY point from Spherical Mercator EPSG:900913 to lat/lon in WGS84 Datum"

            lon = (mx / self.originShift) * 180.0
            lat = (my / self.originShift) * 180.0

            lat = 180 / math.pi * (2 * math.atan( math.exp( lat * math.pi / 180.0)) - math.pi / 2.0)
            return lat, lon
     */
    double originShift = 2 * Math.PI * 6378137 / 2.0;
    double lon = (Double.parseDouble(fields[1]) / originShift) * 180.0;
    double lat = (Double.parseDouble(fields[0]) / originShift) * 180.0;

    lat = 180 / Math.PI * (2 * Math.atan( Math.exp( lat * Math.PI / 180.0)) - Math.PI / 2.0);
    // setCoords(new GeoPoint(Double.parseDouble(fields[0])/152146.001925433+8.05967155838889, Double.parseDouble(fields[1])/111327.159945651-0.00306519225921));
    setCoords(new GeoPoint(lat, lon));
    init (res, fields);      
  }

  protected abstract void init (Resources res, String[] fields);
  
  protected String getDialogString (Context context) {
    return context.getString(msgStringId, organizzazione, sito);
  }

  public void baseAction(Context context) {
    infoDialog (context, context.getString(titleId), Html.fromHtml(getDialogString (context)));
  }

  @Override
  public boolean canDisable() {
    return true;
  }
}

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