Content of file AudioMetadataFactory.java.html
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* *********************************************************************************************************************
*
* blueMarine II: Semantic Media Centre
* http://tidalwave.it/projects/bluemarine2
*
* Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/bluemarine2-src
* git clone https://github.com/tidalwave-it/bluemarine2-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.bluemarine2.model.impl;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.time.Duration;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import org.jaudiotagger.audio.AudioFile;
import org.jaudiotagger.audio.AudioHeader;
import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException;
import org.jaudiotagger.audio.exceptions.ReadOnlyFileException;
import org.jaudiotagger.audio.mp3.MP3FileReader;
import org.jaudiotagger.tag.FieldKey;
import org.jaudiotagger.tag.Tag;
import org.jaudiotagger.tag.TagException;
import org.jaudiotagger.tag.images.Artwork;
import it.tidalwave.util.Id;
import it.tidalwave.util.Key;
import it.tidalwave.bluemarine2.model.MediaItem.Metadata;
import it.tidalwave.bluemarine2.model.spi.MetadataSupport;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import static java.util.stream.Collectors.*;
import static it.tidalwave.bluemarine2.util.PathNormalization.*;
import static it.tidalwave.bluemarine2.model.MediaItem.Metadata.*;
import static lombok.AccessLevel.PRIVATE;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="fc" id="L64">@Slf4j @NoArgsConstructor(access = PRIVATE)</span>
public final class AudioMetadataFactory
{
<span class="fc" id="L67"> private static final List<FieldKey> MAPPED_TAGS = List.of(</span>
FieldKey.ARTIST, FieldKey.ALBUM, FieldKey.TITLE, FieldKey.TITLE, FieldKey.COMMENT,
FieldKey.TRACK, FieldKey.DISC_NO, FieldKey.DISC_TOTAL, FieldKey.COMPOSER,
FieldKey.MUSICBRAINZ_TRACK_ID, FieldKey.MUSICBRAINZ_WORK_ID, FieldKey.MUSICBRAINZ_DISC_ID, FieldKey.MUSICBRAINZ_ARTISTID);
// FIXME: use interface and implementation
@Nonnull
public static Metadata loadFrom (@Nonnull final Path path)
{
<span class="fc" id="L76"> Metadata metadata = new MetadataSupport(path);</span>
<span class="fc" id="L77"> AudioFile audioFile = null;</span>
<span class="fc" id="L78"> File file = null;</span>
try
{
<span class="fc" id="L82"> final Path normalizedPath = fixedPath(path);</span>
<span class="fc" id="L83"> log.debug("path: {}", normalizedPath);</span>
<span class="fc" id="L84"> file = normalizedPath.toFile();</span>
// audioFile = AudioFileIO.read(aPath.toFile());
<span class="fc" id="L86"> audioFile = new MP3FileReader().read(file); // FIXME in some cases AudioFileIO doesn't get the right file extension</span>
| in some cases AudioFileIO doesn't get the right file extension | |
<span class="fc" id="L87"> final AudioHeader header = audioFile.getAudioHeader();</span>
<span class="fc" id="L88"> final Tag tag = audioFile.getTag(); // FIXME: getFirst below... should get all?</span>
<span class="fc" id="L90"> metadata = metadata.with(FILE_SIZE, Files.size(normalizedPath))</span>
<span class="fc" id="L91"> .with(DURATION, Duration.ofSeconds(header.getTrackLength()))</span>
<span class="fc" id="L92"> .with(BIT_RATE, (int)header.getBitRateAsNumber())</span>
<span class="fc" id="L93"> .with(SAMPLE_RATE, header.getSampleRateAsNumber())</span>
<span class="fc" id="L94"> .with(BITS_PER_SAMPLE, header.getBitsPerSample())</span>
<span class="fc" id="L95"> .with(CHANNELS, parseOptionalInt(header.getChannels()))</span>
<span class="fc" id="L96"> .with(FORMAT, Optional.ofNullable(header.getFormat()))</span>
<span class="fc" id="L97"> .with(ENCODING_TYPE, Optional.ofNullable(header.getEncodingType()))</span>
<span class="fc" id="L99"> .with(ARTIST, tag.getFirst(FieldKey.ARTIST))</span>
<span class="fc" id="L100"> .with(ALBUM, tag.getFirst(FieldKey.ALBUM))</span>
<span class="fc" id="L101"> .with(TITLE, tag.getFirst(FieldKey.TITLE))</span>
<span class="fc" id="L102"> .with(COMMENT, tag.getAll(FieldKey.COMMENT))</span>
<span class="fc" id="L103"> .with(TRACK_NUMBER, parseOptionalInt(tag.getFirst(FieldKey.TRACK)))</span>
<span class="fc" id="L104"> .with(DISK_NUMBER, parseOptionalInt(tag.getFirst(FieldKey.DISC_NO)))</span>
<span class="fc" id="L105"> .with(DISK_COUNT, parseOptionalInt(tag.getFirst(FieldKey.DISC_TOTAL)))</span>
<span class="fc" id="L106"> .with(COMPOSER, tag.getFirst(FieldKey.COMPOSER))</span>
<span class="fc" id="L108"> .with(MBZ_TRACK_ID, id(tag.getFirst(FieldKey.MUSICBRAINZ_TRACK_ID)))</span>
<span class="fc" id="L109"> .with(MBZ_WORK_ID, id(tag.getFirst(FieldKey.MUSICBRAINZ_WORK_ID)))</span>
<span class="fc" id="L110"> .with(MBZ_DISC_ID, id(tag.getFirst(FieldKey.MUSICBRAINZ_DISC_ID)))</span>
<span class="fc" id="L111"> .with(MBZ_ARTIST_ID, optionalList(tag.getAll(FieldKey.MUSICBRAINZ_ARTISTID).stream()</span>
<span class="pc bnc" id="L112" title="All 4 branches missed."> .filter(s -> ((s != null) && !"".equals(s)))</span>
<span class="pc" id="L113"> .flatMap(s -> Stream.of(s.split("/"))) // FIXME:correct?</span>
<span class="fc" id="L114"> .map(AudioMetadataFactory::id)</span>
<span class="fc" id="L115"> .collect(toList())));</span>
<span class="fc bfc" id="L117" title="All 2 branches covered."> for (final FieldKey fieldKey : FieldKey.values())</span>
{
<span class="fc bfc" id="L119" title="All 2 branches covered."> if (!MAPPED_TAGS.contains(fieldKey))</span>
{
<span class="fc" id="L121"> final String keyName = "tag." + fieldKey.name();</span>
<span class="fc" id="L122"> final List<String> values = tag.getAll(fieldKey);</span>
<span class="fc bfc" id="L124" title="All 2 branches covered."> if (!values.isEmpty())</span>
{
<span class="fc" id="L126"> final Key<Object> key = (Key<Object>)Key.allKeys().stream()</span>
<span class="fc" id="L127"> .filter(k -> k.getName().equals(keyName))</span>
<span class="fc" id="L128"> .findFirst()</span>
<span class="fc" id="L129"> .orElseGet(() -> Key.of(keyName, List.class));</span>
<span class="fc" id="L130"> metadata = metadata.with(key, values);</span>
}
}
}
<span class="fc" id="L135"> metadata = metadata.with(ITUNES_COMMENT, ITunesComment.from(metadata));</span>
<span class="fc" id="L137"> metadata = metadata.with(ARTWORK, tag.getArtworkList().stream().map(Artwork::getBinaryData).collect(toList()));</span>
// put(YEAR, Integer.valueOf(tag.getFirst(FieldKey.YEAR)));
// tag.getFirst(FieldKey.ARTIST_SORT);
//// log.debug("Bitrate: " + mp3File.getBitrate()+ " kbps " + (mp3File.isVbr() ? "(VBR)" : "(CBR)"));
//
// if (mp3File.hasId3v1Tag())
// {
// final ID3v1 id3v1Tag = mp3File.getId3v1Tag();
// log.debug("Genre: " + id3v1Tag.getGenre() + " (" + id3v1Tag.getGenreDescription() + ")");
// }
//
// if (mp3File.hasId3v2Tag())
// {
// final ID3v2 id3v2Tag = mp3File.getId3v2Tag();
// put(PUBLISHER, id3v2Tag.getPublisher());
// log.debug("Original artist: " + id3v2Tag.getOriginalArtist());
// log.debug("Album artist: " + id3v2Tag.getAlbumArtist());
// log.debug("Copyright: " + id3v2Tag.getCopyright());
// log.debug("URL: " + id3v2Tag.getUrl());
// log.debug("Encoder: " + id3v2Tag.getEncoder());
// final byte[] albumImageData = id3v2Tag.getAlbumImage();
//
// if (albumImageData != null)
// {
// log.debug("Have album image data, length: " + albumImageData.length + " bytes");
// log.debug("Album image mime type: " + id3v2Tag.getAlbumImageMimeType());
// }
// }
<span class="fc" id="L170"> log.trace(">>>> loaded keys for {}: {}", path, metadata.getKeys());</span>
}
// FIXME: should we be more tolerant in general and expect an exception for every tag?
// e.g. for wav files
<span class="nc" id="L174"> catch (UnsupportedOperationException e)</span>
{
<span class="nc" id="L176"> log.error("Unsupported tag in {} {}", audioFile, e.toString());</span>
}
<span class="fc" id="L178"> catch (IOException | TagException | ReadOnlyFileException | InvalidAudioFrameException e)</span>
// catch (IOException | CannotReadException | TagException | ReadOnlyFileException | InvalidAudioFrameException e)
{
<span class="fc" id="L181"> log.error("While reading " + audioFile + " --- " + path + " --- " + file, e);</span>
<span class="pc" id="L182"> }</span>
<span class="fc" id="L184"> return metadata;</span>
}
@Nonnull
private static <T> Optional<List<T>> optionalList (@Nonnull final List<T> list)
{
<span class="pc bpc" id="L190" title="1 of 2 branches missed."> return list.isEmpty() ? Optional.empty() : Optional.of(list);</span>
}
@Nonnull
private static Optional<Integer> parseOptionalInt (@Nullable final String string)
{
try
{
<span class="fc" id="L198"> return Optional.of(Integer.parseInt(string));</span>
}
<span class="fc" id="L200"> catch (NumberFormatException e)</span>
{
<span class="fc" id="L202"> return Optional.empty();</span>
}
}
@Nullable
private static Id id (@Nullable final String string)
{
<span class="pc bpc" id="L209" title="2 of 4 branches missed."> if ((string == null) || "".equals(string))</span>
{
<span class="fc" id="L211"> return null;</span>
}
<span class="nc" id="L214"> return Id.of(string);</span>
}
}
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