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javax.sound.midi.spi

Class MidiFileWriter

Contents

  • public abstract class MidiFileWriter
extends Object
    A MidiFileWriter supplies MIDI file-writing services. Classes that implement this interface can write one or more types of MIDI file from a Sequence object.
    Since:
    1.3

    • Constructor Detail

      • MidiFileWriter

        public MidiFileWriter()

    • Method Detail

      • getMidiFileTypes

        public abstract int[] getMidiFileTypes()
        Obtains the set of MIDI file types for which file writing support is provided by this file writer.
        Returns:
        array of file types. If no file types are supported, an array of length 0 is returned.

      • getMidiFileTypes

        public abstract int[] getMidiFileTypes(Sequence sequence)
        Obtains the file types that this file writer can write from the sequence specified.
        Parameters:
        sequence - the sequence for which MIDI file type support is queried
        Returns:
        array of file types. If no file types are supported, returns an array of length 0.

      • isFileTypeSupported

        public boolean isFileTypeSupported(int fileType)
        Indicates whether file writing support for the specified MIDI file type is provided by this file writer.
        Parameters:
        fileType - the file type for which write capabilities are queried
        Returns:
        true if the file type is supported, otherwise false

      • isFileTypeSupported

        public boolean isFileTypeSupported(int fileType,
                          Sequence sequence)
        Indicates whether a MIDI file of the file type specified can be written from the sequence indicated.
        Parameters:
        fileType - the file type for which write capabilities are queried
        sequence - the sequence for which file writing support is queried
        Returns:
        true if the file type is supported for this sequence, otherwise false

      • write

        public abstract int write(Sequence in,
        int fileType,
        OutputStream out)
                   throws IOException
        Writes a stream of bytes representing a MIDI file of the file type indicated to the output stream provided.
        Parameters:
        in - sequence containing MIDI data to be written to the file
        fileType - type of the file to be written to the output stream
        out - stream to which the file data should be written
        Returns:
        the number of bytes written to the output stream
        Throws:
        IOException - if an I/O exception occurs
        IllegalArgumentException - if the file type is not supported by this file writer
        See Also:
        isFileTypeSupported(int, Sequence), getMidiFileTypes(Sequence)

      • write

        public abstract int write(Sequence in,
        int fileType,
        File out)
                   throws IOException
        Writes a stream of bytes representing a MIDI file of the file type indicated to the external file provided.
        Parameters:
        in - sequence containing MIDI data to be written to the external file
        fileType - type of the file to be written to the external file
        out - external file to which the file data should be written
        Returns:
        the number of bytes written to the file
        Throws:
        IOException - if an I/O exception occurs
        IllegalArgumentException - if the file type is not supported by this file writer
        See Also:
        isFileTypeSupported(int, Sequence), getMidiFileTypes(Sequence)

Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/sound/midi/spi/midifilewriter.html/.html

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