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Diffstat (limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/domain/MediaFileComparator.java')
-rw-r--r-- | subsonic-main/src/main/java/net/sourceforge/subsonic/domain/MediaFileComparator.java | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/domain/MediaFileComparator.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/domain/MediaFileComparator.java deleted file mode 100644 index 13b5bbbd..00000000 --- a/subsonic-main/src/main/java/net/sourceforge/subsonic/domain/MediaFileComparator.java +++ /dev/null @@ -1,99 +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.domain; - -import java.util.Comparator; - -import static net.sourceforge.subsonic.domain.MediaFile.MediaType.DIRECTORY; - -/** - * Comparator for sorting media files. - */ -public class MediaFileComparator implements Comparator<MediaFile> { - - private final boolean sortAlbumsByYear; - - public MediaFileComparator(boolean sortAlbumsByYear) { - this.sortAlbumsByYear = sortAlbumsByYear; - } - - public int compare(MediaFile a, MediaFile b) { - - // Directories before files. - if (a.isFile() && b.isDirectory()) { - return 1; - } - if (a.isDirectory() && b.isFile()) { - return -1; - } - - // Non-album directories before album directories. - if (a.isAlbum() && b.getMediaType() == DIRECTORY) { - return 1; - } - if (a.getMediaType() == DIRECTORY && b.isAlbum()) { - return -1; - } - - // Sort albums by year - if (sortAlbumsByYear && a.isAlbum() && b.isAlbum()) { - int i = nullSafeCompare(a.getYear(), b.getYear(), false); - if (i != 0) { - return i; - } - } - - if (a.isDirectory() && b.isDirectory()) { - return a.getName().compareToIgnoreCase(b.getName()); - } - - // Compare by disc and track numbers, if present. - Integer trackA = getSortableDiscAndTrackNumber(a); - Integer trackB = getSortableDiscAndTrackNumber(b); - int i = nullSafeCompare(trackA, trackB, false); - if (i != 0) { - return i; - } - - return a.getName().compareToIgnoreCase(b.getName()); - } - - private <T extends Comparable<T>> int nullSafeCompare(T a, T b, boolean nullIsSmaller) { - if (a == null && b == null) { - return 0; - } - if (a == null) { - return nullIsSmaller ? -1 : 1; - } - if (b == null) { - return nullIsSmaller ? 1 : -1; - } - return a.compareTo(b); - } - - private Integer getSortableDiscAndTrackNumber(MediaFile file) { - if (file.getTrackNumber() == null) { - return null; - } - - int discNumber = file.getDiscNumber() == null ? 1 : file.getDiscNumber(); - return discNumber * 1000 + file.getTrackNumber(); - } -} - |