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Diffstat (limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/MetaDataParser.java')
-rw-r--r-- | subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/MetaDataParser.java | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/MetaDataParser.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/MetaDataParser.java deleted file mode 100644 index 2ed70acc..00000000 --- a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/metadata/MetaDataParser.java +++ /dev/null @@ -1,162 +0,0 @@ -/* - 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 - */ -package net.sourceforge.subsonic.service.metadata; - -import java.io.File; -import java.util.List; - -import org.apache.commons.io.FilenameUtils; - -import net.sourceforge.subsonic.domain.MediaFile; -import net.sourceforge.subsonic.domain.MusicFolder; -import net.sourceforge.subsonic.service.ServiceLocator; -import net.sourceforge.subsonic.service.SettingsService; - - -/** - * Parses meta data from media files. - * - * @author Sindre Mehus - */ -public abstract class MetaDataParser { - - /** - * Parses meta data for the given file. - * - * @param file The file to parse. - * @return Meta data for the file, never null. - */ - public MetaData getMetaData(File file) { - - MetaData metaData = getRawMetaData(file); - String artist = metaData.getArtist(); - String album = metaData.getAlbumName(); - String title = metaData.getTitle(); - - if (artist == null) { - artist = guessArtist(file); - } - if (album == null) { - album = guessAlbum(file, artist); - } - if (title == null) { - title = guessTitle(file); - } - - title = removeTrackNumberFromTitle(title, metaData.getTrackNumber()); - metaData.setArtist(artist); - metaData.setAlbumName(album); - metaData.setTitle(title); - - return metaData; - } - - /** - * Parses meta data for the given file. No guessing or reformatting is done. - * - * - * @param file The file to parse. - * @return Meta data for the file. - */ - public abstract MetaData getRawMetaData(File file); - - /** - * Updates the given file with the given meta data. - * - * @param file The file to update. - * @param metaData The new meta data. - */ - public abstract void setMetaData(MediaFile file, MetaData metaData); - - /** - * Returns whether this parser is applicable to the given file. - * - * @param file The file in question. - * @return Whether this parser is applicable to the given file. - */ - public abstract boolean isApplicable(File file); - - /** - * Returns whether this parser supports tag editing (using the {@link #setMetaData} method). - * - * @return Whether tag editing is supported. - */ - public abstract boolean isEditingSupported(); - - /** - * Guesses the artist for the given file. - */ - public String guessArtist(File file) { - File parent = file.getParentFile(); - if (isRoot(parent)) { - return null; - } - File grandParent = parent.getParentFile(); - return isRoot(grandParent) ? null : grandParent.getName(); - } - - /** - * Guesses the album for the given file. - */ - public String guessAlbum(File file, String artist) { - File parent = file.getParentFile(); - String album = isRoot(parent) ? null : parent.getName(); - if (artist != null && album != null) { - album = album.replace(artist + " - ", ""); - } - return album; - } - - /** - * Guesses the title for the given file. - */ - public String guessTitle(File file) { - return removeTrackNumberFromTitle(FilenameUtils.getBaseName(file.getPath()), null); - } - - private boolean isRoot(File file) { - SettingsService settings = ServiceLocator.getSettingsService(); - List<MusicFolder> folders = settings.getAllMusicFolders(false, true); - for (MusicFolder folder : folders) { - if (file.equals(folder.getPath())) { - return true; - } - } - return false; - } - - /** - * Removes any prefixed track number from the given title string. - * - * @param title The title with or without a prefixed track number, e.g., "02 - Back In Black". - * @param trackNumber If specified, this is the "true" track number. - * @return The title with the track number removed, e.g., "Back In Black". - */ - protected String removeTrackNumberFromTitle(String title, Integer trackNumber) { - title = title.trim(); - - // Don't remove numbers if true track number is given, and title does not start with it. - if (trackNumber != null && !title.matches("0?" + trackNumber + "[\\.\\- ].*")) { - return title; - } - - String result = title.replaceFirst("^\\d{2}[\\.\\- ]+", ""); - return result.length() == 0 ? title : result; - } -}
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