private void gpxExtensions(Extensions extensions) {
if (extensions != null && !extensions.isEmpty()) {
openln("extensions");
for (Entry<String, String> e : extensions.entrySet()) {
simpleTag("josm:" + e.getKey(), e.getValue());
}
closeln("extensions");
}
}
/**
* Writes the given GPX data.
*
* @param data The data to write
*/
public void write(GpxData data) {
this.data = data;
// We write JOSM specific meta information into gpx 'extensions' elements.
// In particular it is noted whether the gpx data is from the OSM server
// (so the rendering of clouds of anonymous TrackPoints can be improved)
// and some extra synchronization info for export of AudioMarkers.
// It is checked in advance, if any extensions are used, so we know whether
// a namespace declaration is necessary.
boolean hasExtensions = data.fromServer;
if (!hasExtensions) {
for (WayPoint wpt : data.waypoints) {
Extensions extensions = (Extensions) wpt.get(META_EXTENSIONS);
if (extensions != null && !extensions.isEmpty()) {
hasExtensions = true;
break;
}
}
}
out.println("<?xml version='1.0' encoding='UTF-8'?>");
out.println(
"<gpx version=\"1.1\" creator=\"JOSM GPX export\" xmlns=\"http://www.topografix.com/GPX/1/1\"\n"
+ (hasExtensions
? String.format(" xmlns:josm=\"%s\"%n", JOSM_EXTENSIONS_NAMESPACE_URI)
: "")
+ " xmlns:xsi=\""
+ XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI
+ "\" \n"
+ " xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\">");
indent = " ";
writeMetaData();
writeWayPoints();
writeRoutes();
writeTracks();
out.print("</gpx>");
out.flush();
}