/**
* Get a list of valid countries and {@link de.umass.lastfm.Geo.Metro}s for use in the other
* webservices.
*
* @param country Optionally restrict the results to those Metros from a particular country, as
* defined by the ISO 3166-1 country names standard
* @param apiKey A Last.fm API key
* @return a List of {@link de.umass.lastfm.Geo.Metro}s
*/
public static Collection<Metro> getMetros(String country, String apiKey) {
Map<String, String> params = new HashMap<String, String>();
MapUtilities.nullSafePut(params, "country", country);
Result result = Caller.getInstance().call("geo.getMetros", apiKey, params);
if (!result.isSuccessful()) return Collections.emptyList();
Collection<DomElement> children = result.getContentElement().getChildren("metro");
Collection<Metro> metros = new ArrayList<Metro>(children.size());
for (DomElement child : children) {
metros.add(new Metro(child.getChildText("name"), child.getChildText("country")));
}
return metros;
}
public User createItemFromElement(DomElement element) {
User user = new User(element.getChildText("name"), element.getChildText("url"));
user.id = element.getChildText("id");
if (element.hasChild("realname")) user.realname = element.getChildText("realname");
ImageHolder.loadImages(user, element);
user.language = element.getChildText("lang");
user.country = element.getChildText("country");
if (element.hasChild("age")) {
try {
user.age = Integer.parseInt(element.getChildText("age"));
} catch (NumberFormatException e) {
// no age
}
}
user.gender = element.getChildText("gender");
user.subscriber = "1".equals(element.getChildText("subscriber"));
if (element.hasChild("playcount")) { // extended user information
try {
user.playcount = Integer.parseInt(element.getChildText("playcount"));
} catch (NumberFormatException e) {
// no playcount
}
}
if (element.hasChild("playlists")) { // extended user information
try {
user.numPlaylists = Integer.parseInt(element.getChildText("playlists"));
} catch (NumberFormatException e) {
// no playlists
}
}
return user;
}
public Playlist createItemFromElement(DomElement element) {
Playlist playlist = new Playlist();
if (element.hasChild("id")) playlist.id = Integer.parseInt(element.getChildText("id"));
playlist.title = element.getChildText("title");
if (element.hasChild("size")) playlist.size = Integer.parseInt(element.getChildText("size"));
playlist.creator = element.getChildText("creator");
playlist.annotation = element.getChildText("annotation");
DomElement trackList = element.getChild("trackList");
if (trackList != null) {
for (DomElement te : trackList.getChildren("track")) {
Track t =
new Track(
te.getChildText("title"),
te.getChildText("identifier"),
te.getChildText("creator"));
t.album = te.getChildText("album");
t.duration = Integer.parseInt(te.getChildText("duration")) / 1000;
t.imageUrls.put(ImageSize.LARGE, te.getChildText("image"));
t.imageUrls.put(ImageSize.ORIGINAL, te.getChildText("image"));
t.location = te.getChildText("location");
for (DomElement ext : te.getChildren("extension")) {
if ("http://www.last.fm".equals(ext.getAttribute("application"))) {
for (DomElement child : ext.getChildren()) {
t.lastFmExtensionInfos.put(child.getTagName(), child.getText());
}
}
}
playlist.tracks.add(t);
}
if (playlist.size == 0) playlist.size = playlist.tracks.size();
}
return playlist;
}
