/**
* 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 void setImagesToAbstractInfoWithImages(AbstractInfoWithImages info, XmlTag tag) {
if (info == null || tag == null) {
return;
}
String imageSmall = tag.getChildByNameAndAttributeValue("image", "size", "small");
String imageMedium = tag.getChildByNameAndAttributeValue("image", "size", "medium");
String imageLarge = tag.getChildByNameAndAttributeValue("image", "size", "large");
String imageXLarge = tag.getChildByNameAndAttributeValue("image", "size", "extralarge");
String imageMega = tag.getChildByNameAndAttributeValue("image", "size", "mega");
info.setImages(imageSmall, imageMedium, imageLarge, imageXLarge, imageMega);
}
public static Map<String, Object> getWikiTextFromXml(XmlTag wikiTag) {
if (wikiTag == null) {
return null;
}
Date published = parseLastfmDateLong(wikiTag.getChildByNameValue("published"));
String summary = wikiTag.getChildByNameValue("summary");
if (summary != null) summary = summary.replace("\n", "<br/>");
String content = wikiTag.getChildByNameValue("content");
if (content != null) content = content.replace("\n", "<br/>");
Map<String, Object> wiki = new HashMap<String, Object>();
wiki.put("published", published);
wiki.put("summary", summary);
wiki.put("content", content);
return wiki;
}
public static List<Track> getTracksFromXml(XmlTag tracksTag) {
List<Track> tracks = new ArrayList<Track>();
if (tracksTag != null) {
XmlTag singleTrack = tracksTag.getChildByNameAvoidDuplicates("track");
while (singleTrack != null) {
Track track = getTrackFromXml(singleTrack);
tracks.add(track);
/*
* for next iteration
*/
singleTrack = tracksTag.getChildByNameAvoidDuplicates("track");
}
}
if (tracks.size() > 0) {
return tracks;
}
return null;
}
public static List<Artist> getSimilarArtistsFromXml(XmlTag similarArtistsTag) {
List<Artist> artists = new ArrayList<Artist>();
if (similarArtistsTag != null) {
XmlTag artistTag = similarArtistsTag.getChildByNameAvoidDuplicates("artist");
while (artistTag != null) {
Artist artist = LastfmXmlUtil.getSimilarArtistFromXml(artistTag);
if (artist != null) {
artists.add(artist);
}
artistTag = similarArtistsTag.getChildByNameAvoidDuplicates("artist");
}
}
if (artists.size() > 0) {
return artists;
}
return null;
}
public static List<Tag> getTagsFromXml(XmlTag tagsTag) {
List<Tag> tags = new ArrayList<Tag>();
if (tagsTag != null) {
XmlTag singleTag = tagsTag.getChildByNameAvoidDuplicates("tag");
while (singleTag != null) {
Tag tag = getTagFromXml(singleTag);
tags.add(tag);
/*
* for next iteration
*/
singleTag = tagsTag.getChildByNameAvoidDuplicates("tag");
}
}
if (tags.size() > 0) {
return tags;
}
return null;
}
public static Artist getSimilarArtistFromXml(XmlTag artistTag) {
String similarName = artistTag.getChildByNameValue("name");
if (similarName != null) similarName = Html.fromHtml(similarName).toString();
String mbid = artistTag.getChildByNameValue("mbid"); // this is not always present
String similarUrl = artistTag.getChildByNameValue("url");
// String similarImageSmall = artistTag.getChildByNameAndAttributeValue("image", "size",
// "small");
// String similarImageMedium = artistTag.getChildByNameAndAttributeValue("image", "size",
// "medium");
// String similarImageLarge = artistTag.getChildByNameAndAttributeValue("image", "size",
// "large");
// String similarImageXLarge = artistTag.getChildByNameAndAttributeValue("image", "size",
// "extralarge");
// String similarImageMega = artistTag.getChildByNameAndAttributeValue("image", "size",
// "mega");
Artist similarArtist = new Artist(similarName, similarUrl, mbid);
setImagesToAbstractInfoWithImages(similarArtist, artistTag);
return similarArtist;
}
public static Tag getTagFromXml(XmlTag singleTag) {
if (singleTag == null) {
return null;
}
String tagName = singleTag.getChildByNameValue("name");
if (tagName != null) Html.fromHtml(tagName).toString();
String tagUrl = singleTag.getChildByNameValue("url");
int reach = 0;
int taggings = 0;
try {
reach = Integer.parseInt(singleTag.getChildByNameValue("reach"));
taggings = Integer.parseInt(singleTag.getChildByNameValue("taggings"));
} catch (NumberFormatException e) {
// do nothing
} catch (NullPointerException e) {
// do nothing
}
boolean streamable = "1".equals(singleTag.getChildByName("streamable")) ? true : false;
XmlTag wikiTag = singleTag.getChildByName("wiki");
Map<String, Object> wikiMap = getWikiTextFromXml(wikiTag);
Date published = null;
String summary = null;
String content = null;
if (wikiMap != null) {
published = (Date) wikiMap.get("published");
summary = (String) wikiMap.get("summary");
content = (String) wikiMap.get("content");
}
Tag tag = new Tag(tagName, tagUrl, reach, taggings, streamable, published, summary, content);
return tag;
}
/**
* Create a Playlist object with tracks by parsing the xml.
*
* @param xml
* @return Playlist with tracks from xml or null if xml is null.
*/
public static Playlist getPlaylistFromXml(XmlTag playlistTag) {
if (playlistTag == null) {
return null;
}
String playlistTitle = playlistTag.getChildByNameValue("title");
String playlistCreator = playlistTag.getChildByNameValue("creator");
Date playlistDate = parseLastfmDate(playlistTag.getChildByNameValue("date"));
int playlistExpiry = 0;
try {
playlistExpiry = Integer.parseInt(playlistTag.getChildByNameValue("link"));
} catch (NumberFormatException e) {
e.printStackTrace();
}
Playlist radioPlaylist =
new Playlist(playlistTitle, playlistCreator, playlistDate, playlistExpiry);
XmlTag tracks = playlistTag.getChildByName("trackList");
XmlTag trackTag = tracks.getChildByNameAvoidDuplicates("track");
while (trackTag != null) {
String location = trackTag.getChildByNameValue("location");
String title = trackTag.getChildByNameValue("title");
String identifier = trackTag.getChildByNameValue("identifier");
String album = trackTag.getChildByNameValue("album");
String creator = trackTag.getChildByNameValue("creator");
if (title != null) title = Html.fromHtml(title).toString();
if (album != null) album = Html.fromHtml(album).toString();
if (creator != null) creator = Html.fromHtml(creator).toString();
int duration = 0;
try {
duration = Integer.parseInt(trackTag.getChildByNameValue("duration"));
} catch (NumberFormatException e) {
e.printStackTrace();
}
String image = trackTag.getChildByNameValue("image");
RadioTrack track =
new RadioTrack(location, title, identifier, album, creator, duration, image);
radioPlaylist.addTrack(track);
/** for next iteration * */
trackTag = tracks.getChildByNameAvoidDuplicates("track");
}
return radioPlaylist;
}
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;
}
public static Album getAlbumFromXml(XmlTag albumTag) {
if (albumTag == null) {
return null;
}
String title = albumTag.getChildByNameValue("name");
if (title == null) title = albumTag.getChildByNameValue("title");
Album album = new Album(title, albumTag.getChildByNameValue("url"));
album.setArtist(albumTag.getChildByNameValue("artist"));
album.setId(albumTag.getChildByNameValue("id"));
album.setMbid(albumTag.getChildByNameValue("mbid"));
album.setUrl(albumTag.getChildByNameValue("url"));
album.setReleaseDate(parseLastfmDateAlbum(albumTag.getChildByNameValue("releasedate")));
setImagesToAbstractInfoWithImages(album, albumTag);
int listeners = 0;
int playcount = 0;
try {
listeners = Integer.parseInt(albumTag.getChildByNameValue("listeners"));
playcount = Integer.parseInt(albumTag.getChildByNameValue("playcount"));
} catch (NumberFormatException e) {
} catch (NullPointerException e) {
}
album.setListeners(listeners);
album.setPlaycount(playcount);
album.setTracks(getTracksFromXml(albumTag.getChildByName("tracks")));
album.setTags(getTagsFromXml(albumTag.getChildByName("toptags")));
Map<String, Object> wikiMap = getWikiTextFromXml(albumTag.getChildByName("wiki"));
setWikiInfoToAbstractInfo(album, wikiMap);
return album;
}
public static ArtistDetailed getArtistInfoFromXml(XmlTag artistTag) {
if (artistTag == null) {
return null;
}
String name = artistTag.getChildByNameValue("name");
if (name != null) name = Html.fromHtml(name).toString();
String mbid = artistTag.getChildByNameValue("mbid");
String url = artistTag.getChildByNameValue("url");
// String imageSmall = artistTag.getChildByNameAndAttributeValue("image", "size", "small");
// String imageMedium = artistTag.getChildByNameAndAttributeValue("image", "size", "medium");
// String imageLarge = artistTag.getChildByNameAndAttributeValue("image", "size", "large");
// String imageXLarge = artistTag.getChildByNameAndAttributeValue("image", "size",
// "extralarge");
// String imageMega = artistTag.getChildByNameAndAttributeValue("image", "size", "mega");
boolean streamable = "1".equals(artistTag.getChildByNameValue("streamable")) ? true : false;
int listeners = 0;
int plays = 0;
try {
listeners = Integer.parseInt(artistTag.getChildByNameValue("listeners"));
plays = Integer.parseInt(artistTag.getChildByNameValue("plays"));
} catch (NumberFormatException e) {
// Log.e(TAG, e.toString());
} catch (NullPointerException e) {
// do nothing
}
/** SIMILAR ARTISTS */
XmlTag similarTag = artistTag.getChildByName("similar");
List<Artist> similarArtists = getSimilarArtistsFromXml(similarTag);
/** TAGS */
XmlTag tagsTag = artistTag.getChildByName("tags");
List<Tag> tags = new ArrayList<Tag>();
if (tagsTag != null) {
XmlTag singleTag = tagsTag.getChildByNameAvoidDuplicates("tag");
while (singleTag != null) {
Tag tag = getTagFromXml(singleTag);
tags.add(tag);
/** for next iteration * */
singleTag = tagsTag.getChildByNameAvoidDuplicates("tag");
}
}
XmlTag bioTag = artistTag.getChildByName("bio");
Map<String, Object> bioMap = getWikiTextFromXml(bioTag);
ArtistDetailed artistDetail =
new ArtistDetailed(name, mbid, url, streamable, listeners, plays, similarArtists, tags);
setImagesToAbstractInfoWithImages(artistDetail, artistTag);
setWikiInfoToAbstractInfo(artistDetail, bioMap);
// artistDetail.setImages(imageSmall, imageMedium, imageLarge, imageXLarge, imageMega);
return artistDetail;
}
