private void fillMetaInfo() {
if (tag == null) {
title = audioFile.getFile().getName();
artist = "";
album = "";
album_artist = "";
track = "";
composer = "";
year = "";
diskNumber = "";
genre = "";
} else {
title = tag.getFirst(FieldKey.TITLE);
if (title.equals("")) {
title = audioFile.getFile().getName();
}
artist = tag.getFirst(FieldKey.ARTIST);
album = tag.getFirst(FieldKey.ALBUM);
album_artist = tag.getFirst(FieldKey.ALBUM_ARTIST);
track = tag.getFirst(FieldKey.TRACK);
composer = tag.getFirst(FieldKey.COMPOSER);
year = tag.getFirst(FieldKey.YEAR);
diskNumber = tag.getFirst(FieldKey.DISC_NO);
genre = tag.getFirst(FieldKey.GENRE);
}
}
/**
* Prechecks before normal write
*
* <p>
*
* <ul>
* <li>If the tag is actually empty, remove the tag
* <li>if the file is not writable, throw exception
* <li>
* <li>If the file is too small to be a valid file, throw exception
* <li>
* </ul>
*
* @param af
* @throws CannotWriteException
*/
private void precheckWrite(AudioFile af) throws CannotWriteException {
// Preliminary checks
try {
if (af.getTag().isEmpty()) {
delete(af);
return;
}
} catch (CannotReadException re) {
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED.getMsg(af.getFile().getPath()));
}
if (!af.getFile().canWrite()) {
logger.severe(ErrorMessage.GENERAL_WRITE_FAILED.getMsg(af.getFile().getPath()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED.getMsg(af.getFile().getPath()));
}
if (af.getFile().length() <= MINIMUM_FILESIZE) {
logger.severe(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(
af.getFile().getPath()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(
af.getFile().getPath()));
}
}
/**
* 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;
}
/**
* Delete the tag (if any) present in the given file
*
* @param af The file to process
* @throws CannotWriteException if anything went wrong
*/
public synchronized void delete(AudioFile af) throws CannotReadException, CannotWriteException {
if (!af.getFile().canWrite()) {
throw new CannotWriteException(
ErrorMessage.GENERAL_DELETE_FAILED.getMsg(af.getFile().getPath()));
}
if (af.getFile().length() <= MINIMUM_FILESIZE) {
throw new CannotWriteException(
ErrorMessage.GENERAL_DELETE_FAILED.getMsg(af.getFile().getPath()));
}
RandomAccessFile raf = null;
RandomAccessFile rafTemp = null;
File tempF = null;
// Will be set to true on VetoException, causing the finally block to discard the tempfile.
boolean revert = false;
try {
tempF =
File.createTempFile(
af.getFile().getName().replace('.', '_'),
TEMP_FILENAME_SUFFIX,
af.getFile().getParentFile());
rafTemp = new RandomAccessFile(tempF, WRITE_MODE);
raf = new RandomAccessFile(af.getFile(), WRITE_MODE);
raf.seek(0);
rafTemp.seek(0);
try {
if (this.modificationListener != null) {
this.modificationListener.fileWillBeModified(af, true);
}
deleteTag(raf, rafTemp);
if (this.modificationListener != null) {
this.modificationListener.fileModified(af, tempF);
}
} catch (ModifyVetoException veto) {
throw new CannotWriteException(veto);
}
} catch (Exception e) {
revert = true;
throw new CannotWriteException("\"" + af.getFile().getAbsolutePath() + "\" :" + e, e);
} finally {
// will be set to the remaining file.
File result = af.getFile();
try {
if (raf != null) {
raf.close();
}
if (rafTemp != null) {
rafTemp.close();
}
if (tempF.length() > 0 && !revert) {
boolean deleteResult = af.getFile().delete();
if (deleteResult == false) {
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_ORIGINAL_FILE.getMsg(
af.getFile().getPath(), tempF.getPath()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_ORIGINAL_FILE.getMsg(
af.getFile().getPath(), tempF.getPath()));
}
boolean renameResult = tempF.renameTo(af.getFile());
if (renameResult == false) {
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_TO_ORIGINAL_FILE.getMsg(
af.getFile().getPath(), tempF.getPath()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_TO_ORIGINAL_FILE.getMsg(
af.getFile().getPath(), tempF.getPath()));
}
result = tempF;
// If still exists we can now delete
if (tempF.exists()) {
if (!tempF.delete()) {
// Non critical failed deletion
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_TEMPORARY_FILE.getMsg(
tempF.getPath()));
}
}
} else {
// It was created but never used
if (!tempF.delete()) {
// Non critical failed deletion
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_TEMPORARY_FILE.getMsg(tempF.getPath()));
}
}
} catch (Exception ex) {
logger.severe(
"AudioFileWriter exception cleaning up delete:"
+ af.getFile().getPath()
+ " or"
+ tempF.getAbsolutePath()
+ ":"
+ ex);
}
// Notify listener
if (this.modificationListener != null) {
this.modificationListener.fileOperationFinished(result);
}
}
}
// TODO Creates temp file in same folder as the original file, this is safe but would impose a
// performance
// overhead if the original file is on a networked drive
public synchronized void write(AudioFile af) throws CannotWriteException {
logger.info("Started writing tag data for file:" + af.getFile().getName());
// Prechecks
precheckWrite(af);
RandomAccessFile raf = null;
RandomAccessFile rafTemp = null;
File newFile = null;
File result = null;
// Create temporary File
try {
newFile =
File.createTempFile(
af.getFile().getName().replace('.', '_'),
TEMP_FILENAME_SUFFIX,
af.getFile().getParentFile());
}
// Unable to create temporary file, can happen in Vista if have Create Files/Write Data set to
// Deny
catch (IOException ioe) {
logger.log(
Level.SEVERE,
ErrorMessage.GENERAL_WRITE_FAILED_TO_CREATE_TEMPORARY_FILE_IN_FOLDER.getMsg(
af.getFile().getName(), af.getFile().getParentFile().getAbsolutePath()),
ioe);
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_TO_CREATE_TEMPORARY_FILE_IN_FOLDER.getMsg(
af.getFile().getName(), af.getFile().getParentFile().getAbsolutePath()));
}
// Open temporary file and actual file for Editing
try {
rafTemp = new RandomAccessFile(newFile, WRITE_MODE);
raf = new RandomAccessFile(af.getFile(), WRITE_MODE);
}
// Unable to write to writable file, can happen in Vista if have Create Folders/Append Data set
// to Deny
catch (IOException ioe) {
logger.log(
Level.SEVERE,
ErrorMessage.GENERAL_WRITE_FAILED_TO_OPEN_FILE_FOR_EDITING.getMsg(
af.getFile().getAbsolutePath()),
ioe);
// If we managed to open either file, delete it.
try {
if (raf != null) {
raf.close();
}
if (rafTemp != null) {
rafTemp.close();
}
} catch (IOException ioe2) {
// Warn but assume has worked okay
logger.log(
Level.WARNING,
ErrorMessage.GENERAL_WRITE_PROBLEM_CLOSING_FILE_HANDLE.getMsg(
af.getFile(), ioe.getMessage()),
ioe2);
}
// Delete the temp file ( we cannot delet until closed correpsonding rafTemp)
if (!newFile.delete()) {
// Non critical failed deletion
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_TEMPORARY_FILE.getMsg(
newFile.getAbsolutePath()));
}
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_TO_OPEN_FILE_FOR_EDITING.getMsg(
af.getFile().getAbsolutePath()));
}
// Write data to File
try {
raf.seek(0);
rafTemp.seek(0);
try {
if (this.modificationListener != null) {
this.modificationListener.fileWillBeModified(af, false);
}
writeTag(af.getTag(), raf, rafTemp);
if (this.modificationListener != null) {
this.modificationListener.fileModified(af, newFile);
}
} catch (ModifyVetoException veto) {
throw new CannotWriteException(veto);
}
} catch (Exception e) {
logger.log(
Level.SEVERE,
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE.getMsg(af.getFile(), e.getMessage()),
e);
try {
if (raf != null) {
raf.close();
}
if (rafTemp != null) {
rafTemp.close();
}
} catch (IOException ioe) {
// Warn but assume has worked okay
logger.log(
Level.WARNING,
ErrorMessage.GENERAL_WRITE_PROBLEM_CLOSING_FILE_HANDLE.getMsg(
af.getFile().getAbsolutePath(), ioe.getMessage()),
ioe);
}
// Delete the temporary file because either it was never used so lets just tidy up or we did
// start writing to it but
// the write failed and we havent renamed it back to the original file so we can just delete
// it.
if (!newFile.delete()) {
// Non critical failed deletion
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_TEMPORARY_FILE.getMsg(
newFile.getAbsolutePath()));
}
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE.getMsg(af.getFile(), e.getMessage()));
} finally {
try {
if (raf != null) {
raf.close();
}
if (rafTemp != null) {
rafTemp.close();
}
} catch (IOException ioe) {
// Warn but assume has worked okay
logger.log(
Level.WARNING,
ErrorMessage.GENERAL_WRITE_PROBLEM_CLOSING_FILE_HANDLE.getMsg(
af.getFile().getAbsolutePath(), ioe.getMessage()),
ioe);
}
}
// Result held in this file
result = af.getFile();
// If the temporary file was used
if (newFile.length() > 0) {
// Rename Original File
// Can fail on Vista if have Special Permission 'Delete' set Deny
File originalFileBackup =
new File(
af.getFile().getParentFile().getPath(),
AudioFile.getBaseFilename(af.getFile()) + ".old");
boolean renameResult = af.getFile().renameTo(originalFileBackup);
if (renameResult == false) {
logger.log(
Level.SEVERE,
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_ORIGINAL_FILE_TO_BACKUP.getMsg(
af.getFile().getPath(), originalFileBackup.getName()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_ORIGINAL_FILE_TO_BACKUP.getMsg(
af.getFile().getPath(), originalFileBackup.getName()));
}
// Rename Temp File to Original File
renameResult = newFile.renameTo(af.getFile());
if (!renameResult) {
// Renamed failed so lets do some checks rename the backup back to the original file
// New File doesnt exist
if (!newFile.exists()) {
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_NEW_FILE_DOESNT_EXIST.getMsg(
newFile.getAbsolutePath()));
}
// Rename the backup back to the original
if (!originalFileBackup.renameTo(af.getFile())) {
// TODO now if this happens we are left with testfile.old instead of testfile.mp4
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_ORIGINAL_BACKUP_TO_ORIGINAL.getMsg(
originalFileBackup.getAbsolutePath(), af.getFile().getName()));
}
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_TO_ORIGINAL_FILE.getMsg(
af.getFile().getAbsolutePath(), newFile.getName()));
throw new CannotWriteException(
ErrorMessage.GENERAL_WRITE_FAILED_TO_RENAME_TO_ORIGINAL_FILE.getMsg(
af.getFile().getAbsolutePath(), newFile.getName()));
} else {
// Rename was okay so we can now delete the backup of the original
boolean deleteResult = originalFileBackup.delete();
if (!deleteResult) {
// Not a disaster but can't delete the backup so make a warning
logger.warning(
ErrorMessage.GENERAL_WRITE_WARNING_UNABLE_TO_DELETE_BACKUP_FILE.getMsg(
originalFileBackup.getAbsolutePath()));
}
}
// Delete the temporary file if still exists
if (newFile.exists()) {
if (!newFile.delete()) {
// Non critical failed deletion
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_TEMPORARY_FILE.getMsg(newFile.getPath()));
}
}
} else {
// Delete the temporary file that wasn't ever used
if (!newFile.delete()) {
// Non critical failed deletion
logger.warning(
ErrorMessage.GENERAL_WRITE_FAILED_TO_DELETE_TEMPORARY_FILE.getMsg(newFile.getPath()));
}
}
if (this.modificationListener != null) {
this.modificationListener.fileOperationFinished(result);
}
}