/**
* Retrieves a string representation of the object.
*
* @return a string representation of the object.
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sb = new StringBuffer();
for (Music m : list.getMusic()) {
sb.append(m.toString() + "\n");
}
return sb.toString();
}
/**
* Removes entries from playlist.
*
* @param songIds entries IDs.
* @throws MPDServerException if an error occur while contacting server.
*/
public void removeById(int[] songIds) throws MPDServerException {
for (int id : songIds)
this.mpd.getMpdConnection().queueCommand(MPD_CMD_PLAYLIST_REMOVE_ID, Integer.toString(id));
this.mpd.getMpdConnection().sendCommandQueue();
for (int id : songIds) list.removeById(id);
}
/**
* Reload playlist content. <code>refresh</code> has better performance and is more server
* friendly, use it whenever possible.
*
* @see #refresh(int)
* @throws MPDServerException if an error occur while contacting server.
* @return current playlist version.
*/
private int refresh() throws MPDServerException {
if (firstRefreash) {
// TODO should be atomic
MPDStatus status = this.mpd.getStatus();
List<String> response = this.mpd.getMpdConnection().sendCommand(MPD_CMD_PLAYLIST_LIST);
List<Music> playlist = Music.getMusicFromList(response, false);
list.clear();
list.addAll(playlist);
lastPlaylistVersion = status.getPlaylistVersion();
firstRefreash = false;
} else {
this.lastPlaylistVersion = this.refresh(lastPlaylistVersion);
}
return this.lastPlaylistVersion;
}
/**
* Removes entries from playlist.
*
* @param songs entries positions.
* @throws MPDServerException if an error occur while contacting server.
* @see #removeById(int[])
*/
public void removeByIndex(int[] songs) throws MPDServerException {
java.util.Arrays.sort(songs);
for (int i = songs.length - 1; i >= 0; i--)
this.mpd.getMpdConnection().queueCommand(MPD_CMD_PLAYLIST_REMOVE, Integer.toString(songs[i]));
this.mpd.getMpdConnection().sendCommandQueue();
for (int i = songs.length - 1; i >= 0; i--) list.removeByIndex(songs[i]);
}
/**
* Clears playlist content.
*
* @throws MPDServerException if an error occur while contacting server.
*/
public void clear() throws MPDServerException {
this.mpd.getMpdConnection().sendCommand(MPD_CMD_PLAYLIST_CLEAR);
list.clear();
}
/**
* Retrieves playlist size. Operates on local copy of playlist, may not reflect server's current
* playlist. You may call refresh() before calling size().
*
* @return playlist size.
*/
public int size() {
return list.size();
}
/**
* Remove playlist entry with ID songId
*
* @param songId id of the entry to be removed.
* @throws MPDServerException if an error occur while contacting server.
*/
public void removeById(int songId) throws MPDServerException {
this.mpd.getMpdConnection().sendCommand(MPD_CMD_PLAYLIST_REMOVE_ID, Integer.toString(songId));
list.removeById(songId);
}
/**
* Remove playlist entry at position index.
*
* @param position position of the entry to be removed.
* @throws MPDServerException if an error occur while contacting server.
* @see #removeId(int)
*/
public void removeByIndex(int position) throws MPDServerException {
this.mpd.getMpdConnection().sendCommand(MPD_CMD_PLAYLIST_REMOVE, Integer.toString(position));
list.removeByIndex(position);
}
/**
* Retrieves music at position index in playlist. Operates on local copy of playlist, may not
* reflect server's current playlist.
*
* @param index position.
* @return music at position index.
*/
public Music getByIndex(int index) {
return list.getByIndex(index);
}
