Examples of javax.sound.midi.spi.MidiFileReader

javax.sound.midi.spi.MidiFileReader
A {@code MidiFileReader} supplies MIDI file-reading services. Classesimplementing this interface can parse the format information from one or more types of MIDI file, and can produce a {@link Sequence} object from files ofthese types. @author Kara Kytle @since 1.3

     * @see InputStream#mark
     */
    public static Sequence getSequence(InputStream stream)
        throws InvalidMidiDataException, IOException {


        MidiFileReader providers[] = getMidiFileReaders();
        Sequence sequence = null;


        //$$fb 2001-08-03: reverse this loop to give external providers more priority (Bug #4487550)
        for(int i = providers.length-1; i >= 0; i-- ) {
            try {

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     * @throws IOException if an I/O exception occurs while accessing the URL
     */
    public static Sequence getSequence(URL url)
        throws InvalidMidiDataException, IOException {


        MidiFileReader providers[] = getMidiFileReaders();
        Sequence sequence = null;


        //$$fb 2001-08-03: reverse this loop to give external providers more priority (Bug #4487550)
        for(int i = providers.length-1; i >= 0; i-- ) {
            try {

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     * @throws IOException if an I/O exception occurs
     */
    public static Sequence getSequence(File file)
        throws InvalidMidiDataException, IOException {


        MidiFileReader providers[] = getMidiFileReaders();
        Sequence sequence = null;


        //$$fb 2001-08-03: reverse this loop to give external providers more priority (Bug #4487550)
        for(int i = providers.length-1; i >= 0; i-- ) {
            try {

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    private static MidiFileReader[] getMidiFileReaders() {


        Vector v = new Vector();
        MidiFileReader varray[];


        try {


            Class.forName( "sun.misc.Service" );

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    throws InvalidMidiDataException, IOException
  {
    Iterator readers = lookupMidiFileReaderProviders();
    while (readers.hasNext())
    {
      MidiFileReader sr = (MidiFileReader) readers.next();
      MidiFileFormat sb = sr.getMidiFileFormat(stream);
      if (sb != null)
        return sb;
    }
    throw new InvalidMidiDataException("Can't read MidiFileFormat from stream");
  }

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    throws InvalidMidiDataException, IOException
  {
    Iterator readers = lookupMidiFileReaderProviders();
    while (readers.hasNext())
    {
      MidiFileReader sr = (MidiFileReader) readers.next();
      MidiFileFormat sb = sr.getMidiFileFormat(url);
      if (sb != null)
        return sb;
    }
    throw new InvalidMidiDataException("Cannot read from url " + url);
  }

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    throws InvalidMidiDataException, IOException
  {
    Iterator readers = lookupMidiFileReaderProviders();
    while (readers.hasNext())
    {
      MidiFileReader sr = (MidiFileReader) readers.next();
      MidiFileFormat sb = sr.getMidiFileFormat(file);
      if (sb != null)
        return sb;
    }
    throw new InvalidMidiDataException("Can't read MidiFileFormat from file "
                                       + file);

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    throws InvalidMidiDataException, IOException
  {
    Iterator readers = lookupMidiFileReaderProviders();
    while (readers.hasNext())
    {
      MidiFileReader sr = (MidiFileReader) readers.next();
      Sequence sq = sr.getSequence(stream);
      if (sq != null)
        return sq;
    }
    throw new InvalidMidiDataException("Can't read Sequence from stream");
  }

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    throws InvalidMidiDataException, IOException
  {
    Iterator readers = lookupMidiFileReaderProviders();
    while (readers.hasNext())
    {
      MidiFileReader sr = (MidiFileReader) readers.next();
      Sequence sq = sr.getSequence(url);
      if (sq != null)
        return sq;
    }
    throw new InvalidMidiDataException("Cannot read from url " + url);
  }

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    throws InvalidMidiDataException, IOException
  {
    Iterator readers = lookupMidiFileReaderProviders();
    while (readers.hasNext())
    {
      MidiFileReader sr = (MidiFileReader) readers.next();
      Sequence sq = sr.getSequence(file);
      if (sq != null)
        return sq;
    }
    throw new InvalidMidiDataException("Can't read Sequence from file "
                                       + file);

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