@Override
public Drawable loadTile(final MapTileRequestState pState) {
ITileSource tileSource = mTileSource.get();
if (tileSource == null) {
return null;
}
final MapTile pTile = pState.getMapTile();
// if there's no sdcard then don't do anything
if (!getSdCardAvailable()) {
if (OpenStreetMapTileProviderConstants.DEBUGMODE) {
Log.d(IMapView.LOGTAG, "No sdcard - do nothing for tile: " + pTile);
}
return null;
}
InputStream inputStream = null;
try {
if (OpenStreetMapTileProviderConstants.DEBUGMODE) {
Log.d(IMapView.LOGTAG, "Tile doesn't exist: " + pTile);
}
inputStream = getInputStream(pTile, tileSource);
if (inputStream != null) {
if (OpenStreetMapTileProviderConstants.DEBUGMODE) {
Log.d(IMapView.LOGTAG, "Use tile from archive: " + pTile);
}
final Drawable drawable = tileSource.getDrawable(inputStream);
return drawable;
}
} catch (final Throwable e) {
Log.e(IMapView.LOGTAG, "Error loading tile", e);
} finally {
if (inputStream != null) {
StreamUtils.closeStream(inputStream);
}
}
return null;
}
public Route request(
final Context ctx,
final DirectionsLanguage nat,
final GeoPoint start,
final List<GeoPoint> vias,
final GeoPoint end,
final RoutePreferenceType pRoutePreference,
final boolean pProvideGeometry,
final boolean pAvoidTolls,
final boolean pAvoidHighways,
final boolean pRequestHandle,
final ArrayList<AreaOfInterest> pAvoidAreas,
final boolean pSaveRoute)
throws MalformedURLException, IOException, SAXException, ORSException {
final String cloudmadeurl =
"http://routes.cloudmade.com/"
+ CloudmadeUtil.getCloudmadeKey()
+ "/api/0.3/"
+ CloudmadeRSRequestComposer.create(nat, start, vias, end, pRoutePreference);
Log.d(OSMConstants.DEBUGTAG, "Cloudmade url " + cloudmadeurl);
final URL requestURL = new URL(cloudmadeurl);
final HttpURLConnection acon = (HttpURLConnection) requestURL.openConnection();
acon.setAllowUserInteraction(false);
acon.setRequestMethod("GET");
acon.setRequestProperty("Content-Type", "application/xml");
acon.setDoOutput(true);
acon.setDoInput(true);
acon.setUseCaches(false);
/* Get a SAXParser from the SAXPArserFactory. */
final SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp;
try {
sp = spf.newSAXParser();
} catch (final ParserConfigurationException e) {
throw new SAXException(e);
}
/* Get the XMLReader of the SAXParser we created. */
final XMLReader xr = sp.getXMLReader();
/* Create a new ContentHandler and apply it to the XML-Reader*/
final CloudmadeRSParser openLSParser = new CloudmadeRSParser();
xr.setContentHandler(openLSParser);
/* Parse the xml-data from our URL. */
xr.parse(new InputSource(new BufferedInputStream(acon.getInputStream())));
/* The Handler now provides the parsed data to us. */
final Route r = openLSParser.getRoute();
r.finalizeRoute(vias);
if (pSaveRoute) {
/* Exception would have been thrown in invalid route. */
try {
// Ensure folder exists
final String traceFolderPath =
Util.getAndRoadExternalStoragePath() + SDCARD_SAVEDROUTES_PATH;
new File(traceFolderPath).mkdirs();
// Create file and ensure that needed folders exist.
final String filename = traceFolderPath + SDF.format(new Date(System.currentTimeMillis()));
final File dest = new File(filename + ".route");
// Write Data
final ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(dest));
out.writeObject(r);
StreamUtils.closeStream(out);
} catch (final Exception e) {
Log.e(OSMConstants.DEBUGTAG, "File-Writing-Error", e);
}
}
return r;
}