/**
* Parse the tmp file for tag data and create associated song
*
* @param dfi
* @return song created from tag data
*/
public static Song parseFileForSong(DiskFileItem dfi) { // TODO Think about where to move this.
File audioFile = new File(dfi.getStoreLocation().toString().replace(".tmp", ".mp3"));
// "."+dfi.getContentType().substring(dfi.getContentType().indexOf("/")+1)));
if (!dfi.getStoreLocation().renameTo(audioFile)) {
log.error(
"rename failed - store location:" + dfi.getStoreLocation() + ", audio file:" + audioFile);
}
AudioFile f = null;
try {
f = AudioFileIO.read(audioFile);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Tag tag = f.getTag();
if (tag == null) {
tag = f.getTagOrCreateAndSetDefault();
}
Song song = new Song();
try {
song.setArtist(tag.getFirst(FieldKey.ARTIST));
song.setAlbum(tag.getFirst(FieldKey.ALBUM));
song.setTitle(tag.getFirst(FieldKey.TITLE));
song.setYear(tag.getFirst(FieldKey.YEAR));
song.setTrack(tag.getFirst(FieldKey.TRACK));
song.setFilename(dfi.getName());
} catch (KeyNotFoundException knfe) {
log.error("song key not found", knfe);
}
return song;
}
private boolean setAlbumArt(
byte[] imageBytes,
String mp3Filename,
String mp3outputFilename,
String username,
String title,
String detailsUrl) {
try {
AudioFile f = AudioFileIO.read(new File(mp3Filename));
Tag tag = f.getTagOrCreateAndSetDefault();
tag.setField(FieldKey.ALBUM, username + ": " + title + " via SoundCloud.com");
tag.setField(FieldKey.ARTIST, username);
tag.setField(FieldKey.TITLE, title);
tag.setField(FieldKey.URL_OFFICIAL_RELEASE_SITE, detailsUrl);
Artwork artwork = ArtworkFactory.getNew();
artwork.setBinaryData(imageBytes);
artwork.setMimeType("image/jpg");
tag.addField(artwork);
f.commit();
return true;
} catch (Throwable e) {
return false;
}
}
public void testWriteToRelativeMp3File() {
File orig = new File("testdata", "testV1.mp3");
if (!orig.isFile()) {
System.err.println("Unable to test file - not available");
return;
}
File testFile = null;
Exception exceptionCaught = null;
try {
testFile = AbstractTestCase.copyAudioToTmp("testV1.mp3");
// Copy up a level coz we need it to be in same folder as working directory so can just
// specify filename
File outputFile = new File(testFile.getName());
boolean result = copy(testFile, outputFile);
assertTrue(result);
// make Relative
assertTrue(outputFile.exists());
// Read File okay
AudioFile af = AudioFileIO.read(outputFile);
// Create tag and Change File
af.getTagOrCreateAndSetDefault();
af.getTag().setField(ArtworkFactory.createArtworkFromFile(new File("testdata/coverart.jpg")));
af.commit();
} catch (Exception e) {
e.printStackTrace();
exceptionCaught = e;
}
assertNull(exceptionCaught);
}
/**
* Update the GridFSDBFile in the associated DB with the key/values in updateKeys
*
* @param updateKeys Map of new tag data
* @param file GridFSDBFile to update with tag data
* @param db
* @param songId ID of Song to update with tag data
* @return
*/
public static boolean updateFile(
Map<String, String> updateKeys,
GridFSDBFile file,
DB db,
ObjectId songId) { // TODO updateKeys?
File audioFile = null;
try {
audioFile = File.createTempFile("tmp", ".mp3");
} catch (IOException e) {
log.error("tmp file not created", e);
}
audioFile.deleteOnExit();
AudioFile f = null;
ObjectId id = (ObjectId) file.getId();
ObjectId oid = null;
try {
file.writeTo(audioFile);
f = AudioFileIO.read(audioFile);
Tag tag = f.getTagOrCreateAndSetDefault();
DBObject q = new BasicDBObject("_id", songId);
DBObject o = new BasicDBObject("$set", new BasicDBObject(updateKeys));
if (updateKeys.get("artist") != null) {
tag.setField(FieldKey.ARTIST, updateKeys.get("artist"));
}
if (updateKeys.get("album") != null) {
tag.setField(FieldKey.ALBUM, updateKeys.get("album"));
}
if (updateKeys.get("title") != null) {
tag.setField(FieldKey.TITLE, updateKeys.get("title"));
}
if (updateKeys.get("track") != null) {
tag.setField(FieldKey.TRACK, updateKeys.get("track"));
}
if (updateKeys.get("year") != null) {
tag.setField(FieldKey.YEAR, updateKeys.get("year"));
}
AudioFileIO.write(f);
GridFS myFS = new GridFS(db);
myFS.remove(id);
GridFSInputFile inputFile =
putSongFileInDB(f.getFile(), db, file.getContentType(), file.getFilename(), id);
oid = (ObjectId) inputFile.getId();
if (oid.equals(id)) {
db.getCollection("songs").update(q, o);
}
} catch (KeyNotFoundException knfe) {
log.error("key not found", knfe);
} catch (FieldDataInvalidException fdie) {
log.error("tried to set field with invalid value", fdie);
} catch (Exception e) {
log.error("error reading/writing file", e);
}
return (oid.equals(id));
}
/**
* This will write a custom ID3 tag (TXXX). This works only with MP3 files (Flac with ID3-Tag not
* tested).
*
* @param description The description of the custom tag i.e. "catalognr" There can only be one
* custom TXXX tag with that description in one MP3 file
* @param text The actual text to be written into the new tag field
* @return True if the tag has been properly written, false otherwise
*/
public static boolean setCustomTag(AudioFile audioFile, String description, String text)
throws IOException {
FrameBodyTXXX txxxBody = new FrameBodyTXXX();
txxxBody.setDescription(description);
txxxBody.setText(text);
// Get the tag from the audio file
// If there is no ID3Tag create an ID3v2.3 tag
Tag tag = audioFile.getTagOrCreateAndSetDefault();
if (tag instanceof AbstractID3Tag) {
// If there is only a ID3v1 tag, copy data into new ID3v2.3 tag
if (!(tag instanceof ID3v23Tag || tag instanceof ID3v24Tag)) {
Tag newTagV23 = null;
if (tag instanceof ID3v1Tag) {
newTagV23 =
new ID3v23Tag((ID3v1Tag) audioFile.getTag()); // Copy old tag data
}
if (tag instanceof ID3v22Tag) {
newTagV23 =
new ID3v23Tag((ID3v22Tag) audioFile.getTag()); // Copy old tag data
}
audioFile.setTag(newTagV23);
tag = newTagV23;
}
AbstractID3v2Frame frame = null;
if (tag instanceof ID3v23Tag) {
if (((ID3v23Tag) audioFile.getTag()).getInvalidFrames() > 0) {
throw new IOException("read some invalid frames!");
}
frame = new ID3v23Frame("TXXX");
} else if (tag instanceof ID3v24Tag) {
if (((ID3v24Tag) audioFile.getTag()).getInvalidFrames() > 0) {
throw new IOException("read some invalid frames!");
}
frame = new ID3v24Frame("TXXX");
}
frame.setBody(txxxBody);
try {
tag.setField(frame);
} catch (FieldDataInvalidException e) {
Logger.getLogger(TrackAnalyzer.class.getName()).log(Level.SEVERE, null, e);
return false;
}
} else if (tag instanceof FlacTag) {
try {
((FlacTag) tag).setField(description, text);
} catch (KeyNotFoundException ex) {
Logger.getLogger(TrackAnalyzer.class.getName()).log(Level.SEVERE, null, ex);
return false;
} catch (FieldDataInvalidException ex) {
return false;
}
} else if (tag instanceof Mp4Tag) {
// TagField field = new Mp4TagTextField("----:com.apple.iTunes:"+description, text);
TagField field;
field =
new Mp4TagReverseDnsField(
Mp4TagReverseDnsField.IDENTIFIER + ":" + "com.apple.iTunes" + ":" + description,
"com.apple.iTunes",
description,
text);
// TagField field = new Mp4TagTextField(description, text);
try {
tag.setField(field);
} catch (FieldDataInvalidException ex) {
Logger.getLogger(TrackAnalyzer.class.getName()).log(Level.SEVERE, null, ex);
return false;
}
} else if (tag instanceof VorbisCommentTag) {
try {
((VorbisCommentTag) tag).setField(description, text);
} catch (KeyNotFoundException ex) {
Logger.getLogger(TrackAnalyzer.class.getName()).log(Level.SEVERE, null, ex);
return false;
} catch (FieldDataInvalidException ex) {
Logger.getLogger(TrackAnalyzer.class.getName()).log(Level.SEVERE, null, ex);
return false;
}
} else {
// tag not implented
Logger.getLogger(TrackAnalyzer.class.getName())
.log(
Level.WARNING,
"couldn't write key information for "
+ audioFile.getFile().getName()
+ " to tag, because this format is not supported.");
return false;
}
// write changes in tag to file
try {
audioFile.commit();
} catch (CannotWriteException e) {
e.printStackTrace();
return false;
}
return true;
}