ultrasonic-app-subsonic-and.../src/com/thejoshwa/ultrasonic/androidapp/service/OfflineMusicService.java

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/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
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package com.thejoshwa.ultrasonic.androidapp.service;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Random;
import java.util.Set;
import java.util.SortedSet;
import java.util.concurrent.TimeUnit;
import android.content.Context;
import android.graphics.Bitmap;
import android.media.MediaMetadataRetriever;
import android.util.Log;
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import com.thejoshwa.ultrasonic.androidapp.domain.Artist;
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import com.thejoshwa.ultrasonic.androidapp.domain.Genre;
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import com.thejoshwa.ultrasonic.androidapp.domain.Indexes;
import com.thejoshwa.ultrasonic.androidapp.domain.JukeboxStatus;
import com.thejoshwa.ultrasonic.androidapp.domain.Lyrics;
import com.thejoshwa.ultrasonic.androidapp.domain.MusicDirectory;
import com.thejoshwa.ultrasonic.androidapp.domain.MusicFolder;
import com.thejoshwa.ultrasonic.androidapp.domain.Playlist;
import com.thejoshwa.ultrasonic.androidapp.domain.SearchCriteria;
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import com.thejoshwa.ultrasonic.androidapp.domain.SearchResult;
import com.thejoshwa.ultrasonic.androidapp.util.Constants;
import com.thejoshwa.ultrasonic.androidapp.util.EntryByDiscAndTrackComparator;
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import com.thejoshwa.ultrasonic.androidapp.util.FileUtil;
import com.thejoshwa.ultrasonic.androidapp.util.ProgressListener;
import com.thejoshwa.ultrasonic.androidapp.util.Util;
/**
* @author Sindre Mehus
*/
public class OfflineMusicService extends RESTMusicService {
private static final String TAG = OfflineMusicService.class.getSimpleName();
@Override
public boolean isLicenseValid(Context context, ProgressListener progressListener) throws Exception {
return true;
}
@Override
public Indexes getIndexes(String musicFolderId, boolean refresh, Context context, ProgressListener progressListener) throws Exception {
List<Artist> artists = new ArrayList<Artist>();
File root = FileUtil.getMusicDirectory(context);
for (File file : FileUtil.listFiles(root)) {
if (file.isDirectory()) {
Artist artist = new Artist();
artist.setId(file.getPath());
artist.setIndex(file.getName().substring(0, 1));
artist.setName(file.getName());
artists.add(artist);
}
}
String ignoredArticlesString = "The El La Los Las Le Les";
final String[] ignoredArticles = ignoredArticlesString.split(" ");
Collections.sort(artists, new Comparator<Artist>() {
public int compare(Artist lhsArtist, Artist rhsArtist) {
String lhs = lhsArtist.getName().toLowerCase();
String rhs = rhsArtist.getName().toLowerCase();
char lhs1 = lhs.charAt(0);
char rhs1 = rhs.charAt(0);
if(Character.isDigit(lhs1) && !Character.isDigit(rhs1)) {
return 1;
} else if(Character.isDigit(rhs1) && !Character.isDigit(lhs1)) {
return -1;
}
for(String article: ignoredArticles) {
int index = lhs.indexOf(article.toLowerCase() + " ");
if(index == 0) {
lhs = lhs.substring(article.length() + 1);
}
index = rhs.indexOf(article.toLowerCase() + " ");
if(index == 0) {
rhs = rhs.substring(article.length() + 1);
}
}
return lhs.compareTo(rhs);
}
});
return new Indexes(0L, Collections.<Artist>emptyList(), artists);
}
@Override
public MusicDirectory getMusicDirectory(String id, String artistName, boolean refresh, Context context, ProgressListener progressListener) throws Exception {
File dir = new File(id);
MusicDirectory result = new MusicDirectory();
result.setName(dir.getName());
Set<String> names = new HashSet<String>();
for (File file : FileUtil.listMediaFiles(dir)) {
String name = getName(file);
if (name != null & !names.contains(name)) {
names.add(name);
result.addChild(createEntry(context, file, name));
}
}
return result;
}
private String getName(File file) {
String name = file.getName();
if (file.isDirectory()) {
return name;
}
if (name.endsWith(".partial") || name.contains(".partial.") || name.equals(Constants.ALBUM_ART_FILE)) {
return null;
}
name = name.replace(".complete", "");
return FileUtil.getBaseName(name);
}
private MusicDirectory.Entry createEntry(Context context, File file, String name) {
MusicDirectory.Entry entry = new MusicDirectory.Entry();
entry.setIsDirectory(file.isDirectory());
entry.setId(file.getPath());
entry.setParent(file.getParent());
entry.setSize(file.length());
String root = FileUtil.getMusicDirectory(context).getPath();
entry.setPath(file.getPath().replaceFirst("^" + root + "/" , ""));
entry.setTitle(name);
if (file.isFile()) {
String artist = null;
String album = null;
String title = null;
String track = null;
String disc = null;
String year = null;
String genre = null;
//String bitrate = null;
String duration = null;
String hasVideo = null;
try
{
MediaMetadataRetriever mmr = new MediaMetadataRetriever();
mmr.setDataSource(file.getPath());
artist = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST);
album = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM);
title = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE);
track = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER);
disc = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DISC_NUMBER);
year = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_YEAR);
genre = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_GENRE);
//bitrate = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_BITRATE);
duration = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
hasVideo = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_HAS_VIDEO);
mmr.release();
} catch (Exception ignored) { }
entry.setArtist(artist != null ? artist : file.getParentFile().getParentFile().getName());
entry.setAlbum(album != null ? album : file.getParentFile().getName());
if (title != null) {
entry.setTitle(title);
}
entry.setIsVideo(hasVideo != null);
Log.i("OfflineMusicService", "Offline Stuff: " + track);
if (track != null) {
int trackValue = 0;
try {
int slashIndex = track.indexOf("/");
if (slashIndex > 0) {
track = track.substring(0, slashIndex);
}
trackValue = Integer.parseInt(track);
}
catch(Exception ex) { Log.e("OfflineMusicService", "Offline Stuff: " + ex); }
Log.i("OfflineMusicService", "Offline Stuff: Setting Track: " + trackValue);
entry.setTrack(trackValue);
}
if (disc != null) {
int discValue = 0;
try {
int slashIndex = disc.indexOf("/");
if (slashIndex > 0) {
disc = disc.substring(0, slashIndex);
}
discValue = Integer.parseInt(disc);
}
catch(Exception ignored) { }
entry.setDiscNumber(discValue);
}
if (year != null) {
int yearValue = 0;
try {
yearValue = Integer.parseInt(year);
} catch(Exception ignored) { }
entry.setYear(yearValue);
}
if (genre != null) {
entry.setGenre(genre);
}
// if (bitrate != null) {
// int bitRateValue = 0;
//
// try {
// bitRateValue = Integer.parseInt(bitrate) / 1000;
// } catch(Exception ex) { }
//
// entry.setBitRate(bitRateValue);
// }
if (duration != null) {
long durationValue = 0;
try {
durationValue = Long.parseLong(duration);
durationValue = TimeUnit.MILLISECONDS.toSeconds(durationValue);
} catch(Exception ignored) { }
entry.setDuration(durationValue);
}
}
entry.setSuffix(FileUtil.getExtension(file.getName().replace(".complete", "")));
File albumArt = FileUtil.getAlbumArtFile(context, entry);
if (albumArt.exists()) {
entry.setCoverArt(albumArt.getPath());
}
return entry;
}
@Override
public Bitmap getCoverArt(Context context, MusicDirectory.Entry entry, int size, boolean saveToFile, boolean highQuality, ProgressListener progressListener) throws Exception {
try {
return FileUtil.getAlbumArtBitmap(context, entry, size, highQuality);
} catch(Exception e) {
return null;
}
}
@Override
public void star(String id, String albumId, String artistId, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Star not available in offline mode");
}
@Override
public void unstar(String id, String albumId, String artistId, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("UnStar not available in offline mode");
}
@Override
public List<MusicFolder> getMusicFolders(boolean refresh, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Music folders not available in offline mode");
}
@Override
public SearchResult search(SearchCriteria criteria, Context context, ProgressListener progressListener) throws Exception {
List<Artist> artists = new ArrayList<Artist>();
List<MusicDirectory.Entry> albums = new ArrayList<MusicDirectory.Entry>();
List<MusicDirectory.Entry> songs = new ArrayList<MusicDirectory.Entry>();
File root = FileUtil.getMusicDirectory(context);
int closeness = 0;
for (File artistFile : FileUtil.listFiles(root)) {
String artistName = artistFile.getName();
if (artistFile.isDirectory()) {
if((closeness = matchCriteria(criteria, artistName)) > 0) {
Artist artist = new Artist();
artist.setId(artistFile.getPath());
artist.setIndex(artistFile.getName().substring(0, 1));
artist.setName(artistName);
artist.setCloseness(closeness);
artists.add(artist);
}
recursiveAlbumSearch(artistName, artistFile, criteria, context, albums, songs);
}
}
Collections.sort(artists, new Comparator<Artist>() {
public int compare(Artist lhs, Artist rhs) {
if(lhs.getCloseness() == rhs.getCloseness()) {
return 0;
}
else if(lhs.getCloseness() > rhs.getCloseness()) {
return -1;
}
else {
return 1;
}
}
});
Collections.sort(albums, new Comparator<MusicDirectory.Entry>() {
public int compare(MusicDirectory.Entry lhs, MusicDirectory.Entry rhs) {
if(lhs.getCloseness() == rhs.getCloseness()) {
return 0;
}
else if(lhs.getCloseness() > rhs.getCloseness()) {
return -1;
}
else {
return 1;
}
}
});
Collections.sort(songs, new Comparator<MusicDirectory.Entry>() {
public int compare(MusicDirectory.Entry lhs, MusicDirectory.Entry rhs) {
if(lhs.getCloseness() == rhs.getCloseness()) {
return 0;
}
else if(lhs.getCloseness() > rhs.getCloseness()) {
return -1;
}
else {
return 1;
}
}
});
return new SearchResult(artists, albums, songs);
}
private void recursiveAlbumSearch(String artistName, File file, SearchCriteria criteria, Context context, List<MusicDirectory.Entry> albums, List<MusicDirectory.Entry> songs) {
int closeness;
for(File albumFile : FileUtil.listMediaFiles(file)) {
if(albumFile.isDirectory()) {
String albumName = getName(albumFile);
if((closeness = matchCriteria(criteria, albumName)) > 0) {
MusicDirectory.Entry album = createEntry(context, albumFile, albumName);
album.setArtist(artistName);
album.setCloseness(closeness);
albums.add(album);
}
for(File songFile : FileUtil.listMediaFiles(albumFile)) {
String songName = getName(songFile);
if(songFile.isDirectory()) {
recursiveAlbumSearch(artistName, songFile, criteria, context, albums, songs);
}
else if((closeness = matchCriteria(criteria, songName)) > 0){
MusicDirectory.Entry song = createEntry(context, albumFile, songName);
song.setArtist(artistName);
song.setAlbum(albumName);
song.setCloseness(closeness);
songs.add(song);
}
}
}
else {
String songName = getName(albumFile);
if((closeness = matchCriteria(criteria, songName)) > 0) {
MusicDirectory.Entry song = createEntry(context, albumFile, songName);
song.setArtist(artistName);
song.setAlbum(songName);
song.setCloseness(closeness);
songs.add(song);
}
}
}
}
private int matchCriteria(SearchCriteria criteria, String name) {
String query = criteria.getQuery().toLowerCase();
String[] queryParts = query.split(" ");
String[] nameParts = name.toLowerCase().split(" ");
int closeness = 0;
for(String queryPart : queryParts) {
for(String namePart : nameParts) {
if(namePart.equals(queryPart)) {
closeness++;
}
}
}
return closeness;
}
@Override
public List<Playlist> getPlaylists(boolean refresh, Context context, ProgressListener progressListener) throws Exception {
List<Playlist> playlists = new ArrayList<Playlist>();
File root = FileUtil.getPlaylistDirectory();
String lastServer = null;
boolean removeServer = true;
for (File folder : FileUtil.listFiles(root)) {
if(folder.isDirectory()) {
String server = folder.getName();
SortedSet<File> fileList = FileUtil.listFiles(folder);
for(File file: fileList) {
if(FileUtil.isPlaylistFile(file)) {
String id = file.getName();
String filename = server + ": " + FileUtil.getBaseName(id);
Playlist playlist = new Playlist(server, filename);
playlists.add(playlist);
}
}
if(!server.equals(lastServer) && fileList.size() > 0) {
if(lastServer != null) {
removeServer = false;
}
lastServer = server;
}
} else {
// Delete legacy playlist files
try {
folder.delete();
} catch(Exception e) {
Log.w(TAG, "Failed to delete old playlist file: " + folder.getName());
}
}
}
if(removeServer) {
for(Playlist playlist: playlists) {
playlist.setName(playlist.getName().substring(playlist.getId().length() + 2));
}
}
return playlists;
}
@Override
public MusicDirectory getPlaylist(String id, String name, Context context, ProgressListener progressListener) throws Exception {
DownloadService downloadService = DownloadServiceImpl.getInstance();
if (downloadService == null) {
return new MusicDirectory();
}
Reader reader = null;
BufferedReader buffer = null;
try {
int firstIndex = name.indexOf(id);
if(firstIndex != -1) {
name = name.substring(id.length() + 2);
}
File playlistFile = FileUtil.getPlaylistFile(id, name);
reader = new FileReader(playlistFile);
buffer = new BufferedReader(reader);
MusicDirectory playlist = new MusicDirectory();
String line = buffer.readLine();
if(!"#EXTM3U".equals(line)) return playlist;
while( (line = buffer.readLine()) != null ){
File entryFile = new File(line);
String entryName = getName(entryFile);
if(entryFile.exists() && entryName != null){
playlist.addChild(createEntry(context, entryFile, entryName));
}
}
return playlist;
} finally {
Util.close(buffer);
Util.close(reader);
}
}
@Override
public void createPlaylist(String id, String name, List<MusicDirectory.Entry> entries, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Playlists not available in offline mode");
}
@Override
public void deletePlaylist(String id, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Playlists not available in offline mode");
}
@Override
public void updatePlaylist(String id, List<MusicDirectory.Entry> toAdd, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Updating playlist not available in offline mode");
}
@Override
public void removeFromPlaylist(String id, List<Integer> toRemove, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Removing from playlist not available in offline mode");
}
@Override
public void updatePlaylist(String id, String name, String comment, boolean pub, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Updating playlist not available in offline mode");
}
@Override
public Lyrics getLyrics(String artist, String title, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Lyrics not available in offline mode");
}
@Override
public void scrobble(String id, boolean submission, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Scrobbling not available in offline mode");
}
@Override
public MusicDirectory getAlbumList(String type, int size, int offset, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Album lists not available in offline mode");
}
@Override
public String getVideoUrl(Context context, String id, boolean useFlash) {
return null;
}
@Override
public String getVideoStreamUrl(int maxBitrate, Context context, String id) {
return null;
}
@Override
public JukeboxStatus updateJukeboxPlaylist(List<String> ids, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Jukebox not available in offline mode");
}
@Override
public JukeboxStatus skipJukebox(int index, int offsetSeconds, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Jukebox not available in offline mode");
}
@Override
public JukeboxStatus stopJukebox(Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Jukebox not available in offline mode");
}
@Override
public JukeboxStatus startJukebox(Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Jukebox not available in offline mode");
}
@Override
public JukeboxStatus getJukeboxStatus(Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Jukebox not available in offline mode");
}
@Override
public JukeboxStatus setJukeboxGain(float gain, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Jukebox not available in offline mode");
}
@Override
public SearchResult getStarred(Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Starred not available in offline mode");
}
@Override
public MusicDirectory getRandomSongs(int size, Context context, ProgressListener progressListener) throws Exception {
File root = FileUtil.getMusicDirectory(context);
List<File> children = new LinkedList<File>();
listFilesRecursively(root, children);
MusicDirectory result = new MusicDirectory();
if (children.isEmpty()) {
return result;
}
Random random = new Random();
for (int i = 0; i < size; i++) {
File file = children.get(random.nextInt(children.size()));
result.addChild(createEntry(context, file, getName(file)));
}
return result;
}
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@Override
public MusicDirectory getSongsByGenre(String genre, int count, int offset, Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Getting Songs By Genre not available in offline mode");
}
@Override
public List<Genre> getGenres(Context context, ProgressListener progressListener) throws Exception {
throw new OfflineException("Getting Genres not available in offline mode");
}
private void listFilesRecursively(File parent, List<File> children) {
for (File file : FileUtil.listMediaFiles(parent)) {
if (file.isFile()) {
children.add(file);
} else {
listFilesRecursively(file, children);
}
}
}
}