Java ID3v23Tag类代码示例

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
public static Tag createDefaultTag()
{
    if(TagOptionSingleton.getInstance().getID3V2Version()== ID3V2Version.ID3_V24)
    {
        return new ID3v24Tag();
    }
    else if(TagOptionSingleton.getInstance().getID3V2Version()==ID3V2Version.ID3_V23)
    {
        return new ID3v23Tag();
    }
    else if(TagOptionSingleton.getInstance().getID3V2Version()==ID3V2Version.ID3_V22)
    {
        return new ID3v22Tag();
    }
    //Default in case not set somehow
    return new ID3v24Tag();
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
private Tag readTag(RandomAccessFile file, long tagOffset) throws CannotReadException, IOException {
    //Move to start of ID3Tag and read rest of file into ByteBuffer
    file.seek(tagOffset);
    ByteBuffer tagBuffer = Utils.readFileDataIntoBufferLE(file, (int) (file.length() - file.getFilePointer()));

    //Work out ID3 major version
    int majorVersion = tagBuffer.get(AbstractID3v2Tag.FIELD_TAG_MAJOR_VERSION_POS);
    try {
        logger.log(Level.FINE, "Start creating ID3v2 Tag for version: " + majorVersion);
        switch (majorVersion) {
            case ID3v22Tag.MAJOR_VERSION:
                return new ID3v22Tag(tagBuffer, "");
            case ID3v23Tag.MAJOR_VERSION:
                return new ID3v23Tag(tagBuffer, "");
            case ID3v24Tag.MAJOR_VERSION:
                return new ID3v24Tag(tagBuffer, "");
            default:
                logger.log(Level.WARNING, "Unknown major ID3v2 version " + majorVersion + ". Returning an empty ID3v2 Tag.");
                return new ID3v24Tag();
        }
    } catch (TagException e) {
        throw new CannotReadException("Could not create ID3v2 Tag");
    }
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
@Override
public void check(GenericTag genericTag) {
  if (genericTag == null) {
    return;
  }

  /* get the classes of the source tags */
  Set<Class<? extends Object>> sourceTagClasses = genericTag.getSourceTagClasses();
  assert (sourceTagClasses != null);

  if (!sourceTagClasses.contains(ID3v23Tag.class)) {
    return;
  }

  genericTag.addReport(GenericTagFieldName.OTHER, Messages.getString("NoID3v23TagChecker.0"), null, null, null); //$NON-NLS-1$
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
@Test(timeout = 8000)
public void testMp3TagConverter() {
  Set<Class<? extends Object>> stc = converter.getSupportedTagClasses();

  assertThat(stc, notNullValue());
  assertThat(Integer.valueOf(stc.size()), equalTo(Integer.valueOf(3)));
  assertThat(Boolean.valueOf(stc.contains(ID3v22Tag.class)), equalTo(Boolean.TRUE));
  assertThat(Boolean.valueOf(stc.contains(ID3v23Tag.class)), equalTo(Boolean.TRUE));
  assertThat(Boolean.valueOf(stc.contains(ID3v24Tag.class)), equalTo(Boolean.TRUE));

  Map<Class<? extends Object>, Set<String>> utfns = converter.getUnknownTagFieldNames();
  assertThat(utfns, notNullValue());
  assertThat(Integer.valueOf(utfns.size()), equalTo(Integer.valueOf(3)));
  Set<String> utfns22 = utfns.get(ID3v22Tag.class);
  assertThat(utfns22, notNullValue());
  assertThat(Integer.valueOf(utfns22.size()), equalTo(Integer.valueOf(0)));
  Set<String> utfns23 = utfns.get(ID3v22Tag.class);
  assertThat(utfns23, notNullValue());
  assertThat(Integer.valueOf(utfns23.size()), equalTo(Integer.valueOf(0)));
  Set<String> utfns24 = utfns.get(ID3v22Tag.class);
  assertThat(utfns24, notNullValue());
  assertThat(Integer.valueOf(utfns24.size()), equalTo(Integer.valueOf(0)));
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
private static AbstractID3Tag readMp3Tag(File flacFile, boolean v24) {
  AudioFile af;
  try {
    af = AudioFileIO.read(flacFile);
  }
  catch (Throwable e) {
    System.err.println(String.format("Failed to read mp3 file", flacFile.getPath()));
    return null;
  }

  Tag tag = af.getTag();
  if (v24) {
    assert (tag instanceof ID3v24Tag);
    return (ID3v24Tag) tag;
  }

  assert (tag instanceof ID3v23Tag);
  return (ID3v23Tag) tag;
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
/**
 * Reads the ID3v2 tag starting at the {@code tagOffset} position in the
 * supplied file.
 *
 * @param fc       the filechannel from which to read
 * @param dsd      the dsd chunk
 * @param fileName
 * @return the read tag or an empty tag if something went wrong. Never
 * <code>null</code>.
 * @throws IOException if cannot read file.
 */
private Tag readTag(FileChannel fc, DsdChunk dsd, String fileName) throws CannotReadException, IOException {
    if (dsd.getMetadataOffset() > 0) {
        fc.position(dsd.getMetadataOffset());
        ID3Chunk id3Chunk = ID3Chunk.readChunk(Utils.readFileDataIntoBufferLE(fc, (int) (fc.size() - fc.position())));
        if (id3Chunk != null) {
            int version = id3Chunk.getDataBuffer().get(AbstractID3v2Tag.FIELD_TAG_MAJOR_VERSION_POS);
            try {
                switch (version) {
                    case ID3v22Tag.MAJOR_VERSION:
                        return new ID3v22Tag(id3Chunk.getDataBuffer(), "");
                    case ID3v23Tag.MAJOR_VERSION:
                        return new ID3v23Tag(id3Chunk.getDataBuffer(), "");
                    case ID3v24Tag.MAJOR_VERSION:
                        return new ID3v24Tag(id3Chunk.getDataBuffer(), "");
                    default:
                        logger.log(Level.WARNING, fileName + " Unknown ID3v2 version " + version + ". Returning an empty ID3v2 Tag.");
                        return null;
                }
            } catch (TagException e) {
                throw new CannotReadException(fileName + " Could not read ID3v2 tag:corruption");
            }
        } else {
            logger.log(Level.WARNING, fileName + " No existing ID3 tag(1)");
            return null;
        }
    } else {
        logger.log(Level.WARNING, fileName + " No existing ID3 tag(2)");
        return null;
    }
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
/**
 * Create Default Tag
 *
 * @return
 */
@Override
public Tag createDefaultTag() {
    if (TagOptionSingleton.getInstance().getID3V2Version() == ID3V2Version.ID3_V24) {
        return new ID3v24Tag();
    } else if (TagOptionSingleton.getInstance().getID3V2Version() == ID3V2Version.ID3_V23) {
        return new ID3v23Tag();
    } else if (TagOptionSingleton.getInstance().getID3V2Version() == ID3V2Version.ID3_V22) {
        return new ID3v22Tag();
    }
    //Default in case not set somehow
    return new ID3v24Tag();
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
private void createDefaultMetadataTagsIfMissing(WavTag tag) {
    if (!tag.isExistingId3Tag()) {
        //Default used by Tag & Rename
        tag.setID3Tag(new ID3v23Tag());
    }
    if (!tag.isExistingInfoTag()) {
        tag.setInfoTag(new WavInfoTag());
    }
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
@Override
public Tag createDefaultTag() {
    if (TagOptionSingleton.getInstance().getID3V2Version() == ID3V2Version.ID3_V24) {
        return new ID3v24Tag();
    } else if (TagOptionSingleton.getInstance().getID3V2Version() == ID3V2Version.ID3_V23) {
        return new ID3v23Tag();
    } else if (TagOptionSingleton.getInstance().getID3V2Version() == ID3V2Version.ID3_V22) {
        return new ID3v22Tag();
    }
    //Default in case not set somehow
    return new ID3v24Tag();
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
public Tag convertTag(Tag tag, ID3V2Version id3V2Version) {
    if (tag instanceof ID3v24Tag) {
        switch (id3V2Version) {
            case ID3_V22:
                return new ID3v22Tag((ID3v24Tag) tag);
            case ID3_V23:
                return new ID3v23Tag((ID3v24Tag) tag);
            case ID3_V24:
                return tag;
        }
    } else if (tag instanceof ID3v23Tag) {
        switch (id3V2Version) {
            case ID3_V22:
                return new ID3v22Tag((ID3v23Tag) tag);
            case ID3_V23:
                return tag;
            case ID3_V24:
                return new ID3v24Tag((ID3v23Tag) tag);
        }
    } else if (tag instanceof ID3v22Tag) {
        switch (id3V2Version) {
            case ID3_V22:
                return tag;
            case ID3_V23:
                return new ID3v23Tag((ID3v22Tag) tag);
            case ID3_V24:
                return new ID3v24Tag((ID3v22Tag) tag);
        }
    }
    return tag;
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
@Test(timeout = 8000)
public void testCheck_NoId3v24SourceClasses() {
  GenericTag tag = TypeUtilsForTests.setupTag("11", "1/1", "Title", "1", "2013", null, null, null, null);
  tag.addSourceTagClass(FlacTag.class);
  tag.addSourceTagClass(ID3v23Tag.class);

  checker.check(tag);

  Map<GenericTagFieldName, List<ProblemReport>> reports = tag.getReports();
  assertThat(Integer.valueOf(reports.size()), equalTo(Integer.valueOf(0)));
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
@Test(timeout = 8000)
public void testCheck_Id3v23SourceClasses() {
  GenericTag tag = TypeUtilsForTests.setupTag("11", "1/1", "Title", "1", "2013", null, null, null, null);
  tag.addSourceTagClass(FlacTag.class);
  tag.addSourceTagClass(ID3v23Tag.class);

  checker.check(tag);

  Map<GenericTagFieldName, List<ProblemReport>> reports = tag.getReports();
  assertThat(Integer.valueOf(reports.size()), equalTo(Integer.valueOf(1)));
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
/**
 * Constructor
 */
public Mp3TagConverter() {
  supportedTagClasses.add(ID3v22Tag.class);
  supportedTagClasses.add(ID3v23Tag.class);
  supportedTagClasses.add(ID3v24Tag.class);

  unknownTagFieldNames.put(ID3v22Tag.class, new TreeSet<String>());
  unknownTagFieldNames.put(ID3v23Tag.class, new TreeSet<String>());
  unknownTagFieldNames.put(ID3v24Tag.class, new TreeSet<String>());
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
@Test(timeout = 8000)
public void testGetSupportedTagClasses() {
  Set<Class<? extends Object>> stc = converter.getSupportedTagClasses();

  assertThat(stc, notNullValue());
  assertThat(Integer.valueOf(stc.size()), equalTo(Integer.valueOf(3)));
  assertThat(Boolean.valueOf(stc.contains(ID3v22Tag.class)), equalTo(Boolean.TRUE));
  assertThat(Boolean.valueOf(stc.contains(ID3v23Tag.class)), equalTo(Boolean.TRUE));
  assertThat(Boolean.valueOf(stc.contains(ID3v24Tag.class)), equalTo(Boolean.TRUE));
}
 

import org.jaudiotagger.tag.id3.ID3v23Tag; //导入依赖的package包/类
/**
 * If using ID3 format convert tag from current version to another as specified by id3V2Version,
 *
 * @return null if no conversion necessary
 */
public AbstractID3v2Tag convertID3Tag(AbstractID3v2Tag tag, ID3V2Version id3V2Version)
{
    if(tag instanceof ID3v24Tag)
    {
        switch(id3V2Version)
        {
            case ID3_V22:
                return new ID3v22Tag((ID3v24Tag)tag);
            case ID3_V23:
                return new ID3v23Tag((ID3v24Tag)tag);
            case ID3_V24:
                return null;
        }
    }
    else if(tag instanceof ID3v23Tag)
    {
        switch(id3V2Version)
        {
            case ID3_V22:
                return new ID3v22Tag((ID3v23Tag)tag);
            case ID3_V23:
                return null;
            case ID3_V24:
                return new ID3v24Tag((ID3v23Tag)tag);
        }
    }
    else if(tag instanceof ID3v22Tag)
    {
        switch(id3V2Version)
        {
            case ID3_V22:
                return null;
            case ID3_V23:
                return new ID3v23Tag((ID3v22Tag)tag);
            case ID3_V24:
                return new ID3v24Tag((ID3v22Tag)tag);
        }
    }
    return null;
}