235 lines
9.8 KiB
Java
235 lines
9.8 KiB
Java
/*
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This file is part of Subsonic.
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Subsonic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Subsonic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2009 (C) Sindre Mehus
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*/
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package net.sourceforge.subsonic.androidapp.service;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import org.apache.http.HttpResponse;
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import android.content.Context;
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import android.graphics.Bitmap;
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import net.sourceforge.subsonic.androidapp.domain.Indexes;
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import net.sourceforge.subsonic.androidapp.domain.JukeboxStatus;
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import net.sourceforge.subsonic.androidapp.domain.Lyrics;
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import net.sourceforge.subsonic.androidapp.domain.MusicDirectory;
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import net.sourceforge.subsonic.androidapp.domain.MusicFolder;
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import net.sourceforge.subsonic.androidapp.domain.Playlist;
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import net.sourceforge.subsonic.androidapp.domain.SearchCritera;
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import net.sourceforge.subsonic.androidapp.domain.SearchResult;
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import net.sourceforge.subsonic.androidapp.domain.Version;
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import net.sourceforge.subsonic.androidapp.util.CancellableTask;
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import net.sourceforge.subsonic.androidapp.util.LRUCache;
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import net.sourceforge.subsonic.androidapp.util.ProgressListener;
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import net.sourceforge.subsonic.androidapp.util.TimeLimitedCache;
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import net.sourceforge.subsonic.androidapp.util.Util;
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/**
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* @author Sindre Mehus
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*/
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public class CachedMusicService implements MusicService {
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private static final int MUSIC_DIR_CACHE_SIZE = 50;
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private static final int TTL_MUSIC_DIR = 5 * 60; // Five minutes
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private final MusicService musicService;
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private final LRUCache<String, TimeLimitedCache<MusicDirectory>> cachedMusicDirectories;
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private final TimeLimitedCache<Boolean> cachedLicenseValid = new TimeLimitedCache<Boolean>(120, TimeUnit.SECONDS);
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private final TimeLimitedCache<Indexes> cachedIndexes = new TimeLimitedCache<Indexes>(60 * 60, TimeUnit.SECONDS);
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private final TimeLimitedCache<List<Playlist>> cachedPlaylists = new TimeLimitedCache<List<Playlist>>(60, TimeUnit.SECONDS);
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private final TimeLimitedCache<List<MusicFolder>> cachedMusicFolders = new TimeLimitedCache<List<MusicFolder>>(10 * 3600, TimeUnit.SECONDS);
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private String restUrl;
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public CachedMusicService(MusicService musicService) {
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this.musicService = musicService;
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cachedMusicDirectories = new LRUCache<String, TimeLimitedCache<MusicDirectory>>(MUSIC_DIR_CACHE_SIZE);
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}
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@Override
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public void ping(Context context, ProgressListener progressListener) throws Exception {
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checkSettingsChanged(context);
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musicService.ping(context, progressListener);
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}
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@Override
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public boolean isLicenseValid(Context context, ProgressListener progressListener) throws Exception {
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checkSettingsChanged(context);
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Boolean result = cachedLicenseValid.get();
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if (result == null) {
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result = musicService.isLicenseValid(context, progressListener);
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cachedLicenseValid.set(result, result ? 30L * 60L : 2L * 60L, TimeUnit.SECONDS);
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}
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return result;
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}
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@Override
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public List<MusicFolder> getMusicFolders(Context context, ProgressListener progressListener) throws Exception {
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checkSettingsChanged(context);
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List<MusicFolder> result = cachedMusicFolders.get();
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if (result == null) {
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result = musicService.getMusicFolders(context, progressListener);
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cachedMusicFolders.set(result);
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}
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return result;
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}
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@Override
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public Indexes getIndexes(String musicFolderId, boolean refresh, Context context, ProgressListener progressListener) throws Exception {
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checkSettingsChanged(context);
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if (refresh) {
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cachedIndexes.clear();
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cachedMusicFolders.clear();
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cachedMusicDirectories.clear();
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}
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Indexes result = cachedIndexes.get();
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if (result == null) {
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result = musicService.getIndexes(musicFolderId, refresh, context, progressListener);
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cachedIndexes.set(result);
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}
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return result;
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}
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@Override
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public MusicDirectory getMusicDirectory(String id, boolean refresh, Context context, ProgressListener progressListener) throws Exception {
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checkSettingsChanged(context);
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TimeLimitedCache<MusicDirectory> cache = refresh ? null : cachedMusicDirectories.get(id);
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MusicDirectory dir = cache == null ? null : cache.get();
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if (dir == null) {
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dir = musicService.getMusicDirectory(id, refresh, context, progressListener);
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cache = new TimeLimitedCache<MusicDirectory>(TTL_MUSIC_DIR, TimeUnit.SECONDS);
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cache.set(dir);
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cachedMusicDirectories.put(id, cache);
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}
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return dir;
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}
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@Override
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public SearchResult search(SearchCritera criteria, Context context, ProgressListener progressListener) throws Exception {
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return musicService.search(criteria, context, progressListener);
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}
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@Override
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public MusicDirectory getPlaylist(String id, Context context, ProgressListener progressListener) throws Exception {
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return musicService.getPlaylist(id, context, progressListener);
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}
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@Override
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public List<Playlist> getPlaylists(boolean refresh, Context context, ProgressListener progressListener) throws Exception {
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checkSettingsChanged(context);
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List<Playlist> result = refresh ? null : cachedPlaylists.get();
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if (result == null) {
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result = musicService.getPlaylists(refresh, context, progressListener);
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cachedPlaylists.set(result);
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}
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return result;
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}
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@Override
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public void createPlaylist(String id, String name, List<MusicDirectory.Entry> entries, Context context, ProgressListener progressListener) throws Exception {
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musicService.createPlaylist(id, name, entries, context, progressListener);
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}
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@Override
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public Lyrics getLyrics(String artist, String title, Context context, ProgressListener progressListener) throws Exception {
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return musicService.getLyrics(artist, title, context, progressListener);
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}
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@Override
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public void scrobble(String id, boolean submission, Context context, ProgressListener progressListener) throws Exception {
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musicService.scrobble(id, submission, context, progressListener);
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}
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@Override
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public MusicDirectory getAlbumList(String type, int size, int offset, Context context, ProgressListener progressListener) throws Exception {
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return musicService.getAlbumList(type, size, offset, context, progressListener);
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}
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@Override
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public MusicDirectory getRandomSongs(int size, Context context, ProgressListener progressListener) throws Exception {
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return musicService.getRandomSongs(size, context, progressListener);
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}
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@Override
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public Bitmap getCoverArt(Context context, MusicDirectory.Entry entry, int size, boolean saveToFile, ProgressListener progressListener) throws Exception {
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return musicService.getCoverArt(context, entry, size, saveToFile, progressListener);
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}
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@Override
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public HttpResponse getDownloadInputStream(Context context, MusicDirectory.Entry song, long offset, int maxBitrate, CancellableTask task) throws Exception {
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return musicService.getDownloadInputStream(context, song, offset, maxBitrate, task);
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}
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@Override
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public Version getLocalVersion(Context context) throws Exception {
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return musicService.getLocalVersion(context);
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}
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@Override
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public Version getLatestVersion(Context context, ProgressListener progressListener) throws Exception {
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return musicService.getLatestVersion(context, progressListener);
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}
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@Override
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public String getVideoUrl(Context context, String id) {
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return musicService.getVideoUrl(context, id);
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}
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@Override
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public JukeboxStatus updateJukeboxPlaylist(List<String> ids, Context context, ProgressListener progressListener) throws Exception {
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return musicService.updateJukeboxPlaylist(ids, context, progressListener);
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}
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@Override
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public JukeboxStatus skipJukebox(int index, int offsetSeconds, Context context, ProgressListener progressListener) throws Exception {
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return musicService.skipJukebox(index, offsetSeconds, context, progressListener);
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}
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@Override
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public JukeboxStatus stopJukebox(Context context, ProgressListener progressListener) throws Exception {
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return musicService.stopJukebox(context, progressListener);
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}
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@Override
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public JukeboxStatus startJukebox(Context context, ProgressListener progressListener) throws Exception {
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return musicService.startJukebox(context, progressListener);
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}
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@Override
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public JukeboxStatus getJukeboxStatus(Context context, ProgressListener progressListener) throws Exception {
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return musicService.getJukeboxStatus(context, progressListener);
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}
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@Override
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public JukeboxStatus setJukeboxGain(float gain, Context context, ProgressListener progressListener) throws Exception {
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return musicService.setJukeboxGain(gain, context, progressListener);
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}
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private void checkSettingsChanged(Context context) {
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String newUrl = Util.getRestUrl(context, null);
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if (!Util.equals(newUrl, restUrl)) {
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cachedMusicFolders.clear();
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cachedMusicDirectories.clear();
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cachedLicenseValid.clear();
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cachedIndexes.clear();
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cachedPlaylists.clear();
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restUrl = newUrl;
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}
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}
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}
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