Class MidiFileWriter
- java.lang.Object
-
- javax.sound.midi.spi.MidiFileWriter
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
Constructors
Constructor | Description |
---|---|
MidiFileWriter() |
Methods
Modifier and Type | Method | Description |
---|---|---|
abstract int[] | getMidiFileTypes() | Obtains the set of MIDI file types for which file writing support is provided by this file writer. |
abstract int[] | getMidiFileTypes(Sequence sequence) | Obtains the file types that this file writer can write from the sequence specified. |
boolean | isFileTypeSupported(int fileType) | Indicates whether file writing support for the specified MIDI file type is provided by this file writer. |
boolean | isFileTypeSupported(int fileType,
Sequence sequence) | Indicates whether a MIDI file of the file type specified can be written from the sequence indicated. |
abstract int | write(Sequence in,
int fileType,
File out) | Writes a stream of bytes representing a MIDI file of the file type indicated to the external file provided. |
abstract int | write(Sequence in,
int fileType,
OutputStream out) | Writes a stream of bytes representing a MIDI file of the file type indicated to the output stream provided. |
Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Constructors
MidiFileWriter
public MidiFileWriter()
Methods
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.
- Throws:
-
NullPointerException
- ifsequence
isnull
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, otherwisefalse
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, otherwisefalse
- Throws:
-
NullPointerException
- ifsequence
isnull
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 -
NullPointerException
- ifin
orout
arenull
- 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 -
NullPointerException
- ifin
orout
arenull
- See Also:
-
isFileTypeSupported(int, Sequence)
,getMidiFileTypes(Sequence)
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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/sound/midi/spi/MidiFileWriter.html