/**
* Check last.fm XML result for error messages.
*
* @param xml
* @return error message or null if everything ok
*/
public static LastfmError checkXmlTagForErrorMessages(XmlTag xmlTag) {
if (xmlTag == null) {
Log.e(TAG + "#checkXmlTagForErrorMessages(XmlTag)", "xmlTag is null");
return new LastfmError("error", -1, "Xml result is null!");
}
String lastfmStatusValue = xmlTag.getAttribute("status");
if ("ok".equals(lastfmStatusValue)) {
/** everything is ok * */
return null;
}
/** an error happened * */
XmlTag errorTag = xmlTag.getChildByName("error");
String errorCode = errorTag.getAttribute("code");
String errorMessage = errorTag.getValue();
LastfmError error = new LastfmError(lastfmStatusValue, errorCode, errorMessage);
if (error != null) {
Log.e(
TAG + "#checkXmlTagForErrorMessages(XmlTag)",
"" + "Lastfm errorCode " + error.getErrorCode() + ": " + error.getErrorMessage());
}
return error;
}
public static Track getTrackFromXml(XmlTag trackTag) {
if (trackTag == null) {
return null;
}
String id = trackTag.getChildByNameValue("id");
String name = trackTag.getChildByNameValue("name");
if (name != null) name = Html.fromHtml(name).toString();
String mbid = trackTag.getChildByNameValue("mbid");
String url = trackTag.getChildByNameValue("url");
boolean streamable = "1".equals(trackTag.getChildByNameValue("streamable")) ? true : false;
int trackNumber = 0;
int duration = 0;
int listeners = 0;
int playcount = 0;
try {
trackNumber = Integer.parseInt(trackTag.getAttribute("rank"));
duration = Integer.parseInt(trackTag.getChildByNameValue("duration"));
listeners = Integer.parseInt(trackTag.getChildByNameValue("listeners"));
playcount = Integer.parseInt(trackTag.getChildByNameValue("playcount"));
} catch (NumberFormatException e) {
} catch (NullPointerException e) {
}
Artist artist = getSimilarArtistFromXml(trackTag.getChildByName("artist"));
Album album = getAlbumFromXml(trackTag.getChildByName("album"));
List<Tag> tags = getTagsFromXml(trackTag.getChildByName("toptags"));
Map<String, Object> wiki = getWikiTextFromXml(trackTag.getChildByName("wiki"));
Date published = null;
String summary = null;
String content = null;
if (wiki != null) {
published = (Date) wiki.get("published");
summary = (String) wiki.get("summary");
content = (String) wiki.get("content");
}
Track track = new Track(name, url);
track.setId(id);
track.setMbid(mbid);
track.setStreamable(streamable);
track.setTrackNumber(trackNumber);
track.setDuration(duration);
track.setListeners(listeners);
track.setPlaycount(playcount);
track.setArtist(artist);
track.setAlbum(album);
track.setTags(tags);
track.setPublished(published);
track.setSummary(summary);
track.setContent(content);
return track;
}