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Diffstat (limited to 'libjava/classpath/javax/sound/midi/MidiSystem.java')
| -rw-r--r-- | libjava/classpath/javax/sound/midi/MidiSystem.java | 579 |
1 files changed, 0 insertions, 579 deletions
diff --git a/libjava/classpath/javax/sound/midi/MidiSystem.java b/libjava/classpath/javax/sound/midi/MidiSystem.java deleted file mode 100644 index 0e3680563fb..00000000000 --- a/libjava/classpath/javax/sound/midi/MidiSystem.java +++ /dev/null @@ -1,579 +0,0 @@ -/* MidiSystem.java -- Access system MIDI resources - Copyright (C) 2005, 2012 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.sound.midi; - -import gnu.classpath.ServiceFactory; - -import java.io.File; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.net.URL; -import java.util.ArrayList; -import java.util.List; -import java.util.Iterator; - -import javax.sound.midi.spi.MidiDeviceProvider; -import javax.sound.midi.spi.MidiFileReader; -import javax.sound.midi.spi.MidiFileWriter; -import javax.sound.midi.spi.SoundbankReader; - -/** - * MidiSystem provides access to the computer system's MIDI resources, - * as well as utility routines for reading MIDI files and more. - * - * @author Anthony Green (green@redhat.com) - * @since 1.3 - * - */ -public class MidiSystem -{ - private MidiSystem() - { - // Not instantiable. - } - - /** - * Get an array of all available MIDI devices. - * - * @return a possibly empty array of all available MIDI devices - */ - public static MidiDevice.Info[] getMidiDeviceInfo() - { - Iterator<MidiDeviceProvider> deviceProviders = - ServiceFactory.lookupProviders(MidiDeviceProvider.class); - List<MidiDevice.Info> infoList = new ArrayList<MidiDevice.Info>(); - - while (deviceProviders.hasNext()) - { - MidiDeviceProvider provider = (MidiDeviceProvider) deviceProviders.next(); - MidiDevice.Info[] infos = provider.getDeviceInfo(); - for (int i = infos.length; i > 0; ) - infoList.add(infos[--i]); - } - - return infoList.toArray(new MidiDevice.Info[infoList.size()]); - } - - /** - * Get the specified MIDI device. - * - * @param info a description of the device we're looking for - * @return the requested MIDI device - * @throws MidiUnavailableException if no MIDI devices are configured or found - * @throws IllegalArgumentException if the device described by info is not found - */ - public static MidiDevice getMidiDevice(MidiDevice.Info info) - throws MidiUnavailableException - { - Iterator<MidiDeviceProvider> deviceProviders = - ServiceFactory.lookupProviders(MidiDeviceProvider.class); - - if (! deviceProviders.hasNext()) - throw new MidiUnavailableException("No MIDI device providers available."); - - do - { - MidiDeviceProvider provider = - (MidiDeviceProvider) deviceProviders.next(); - if (provider.isDeviceSupported(info)) - return provider.getDevice(info); - } while (deviceProviders.hasNext()); - - throw new IllegalArgumentException("MIDI device " - + info + " not available."); - } - - /** - * Get the default Receiver instance. This just picks the first one - * it finds for now. - * - * @return the default Receiver instance - * @throws MidiUnavailableException if no Receiver is found - */ - public static Receiver getReceiver() throws MidiUnavailableException - { - // TODO: The 1.5 spec has a fancy mechanism to specify the default - // receiver device. For now, well just return the first one we find. - MidiDevice.Info[] infos = getMidiDeviceInfo(); - for (int i = 0; i < infos.length; i++) - { - MidiDevice device = getMidiDevice(infos[i]); - if (device instanceof Receiver) - return (Receiver) device; - } - throw new MidiUnavailableException("No Receiver device available"); - } - - /** - * Get the default Transmitter instance. This just picks the first one - * it finds for now. - * - * @return the default Transmitter instance - * @throws MidiUnavailableException if no Transmitter is found - */ - public static Transmitter getTransmitter() throws MidiUnavailableException - { - // TODO: The 1.5 spec has a fancy mechanism to specify the default - // Transmitter device. For now, well just return the first one we find. - MidiDevice.Info[] infos = getMidiDeviceInfo(); - for (int i = 0; i < infos.length; i++) - { - MidiDevice device = getMidiDevice(infos[i]); - if (device instanceof Transmitter) - return (Transmitter) device; - } - throw new MidiUnavailableException("No Transmitter device available"); - } - - /** - * Get the default Synthesizer instance. This just picks the first one - * it finds for now. - * - * @return the default Synthesizer instance - * @throws MidiUnavailableException if no Synthesizer is found - */ - public static Synthesizer getSynthesizer() throws MidiUnavailableException - { - // TODO: The 1.5 spec has a fancy mechanism to specify the default - // Synthesizer device. For now, well just return the first one we find. - MidiDevice.Info[] infos = getMidiDeviceInfo(); - for (int i = 0; i < infos.length; i++) - { - MidiDevice device = getMidiDevice(infos[i]); - if (device instanceof Synthesizer) - return (Synthesizer) device; - } - throw new MidiUnavailableException("No Synthesizer device available"); - } - - /** - * Get the default Sequencer instance. This just picks the first one - * it finds for now. - * - * @return the default Sequencer instance - * @throws MidiUnavailableException if no Sequencer is found - */ - public static Sequencer getSequencer() throws MidiUnavailableException - { - // TODO: The 1.5 spec has a fancy mechanism to specify the default - // Sequencer device. For now, well just return the first one we find. - MidiDevice.Info[] infos = getMidiDeviceInfo(); - for (int i = 0; i < infos.length; i++) - { - MidiDevice device = getMidiDevice(infos[i]); - if (device instanceof Sequencer) - return (Sequencer) device; - } - throw new MidiUnavailableException("No Sequencer device available"); - } - - /** - * Read a Soundbank object from the given stream. - * - * @param stream the stream from which to read the Soundbank - * @return the Soundbank object - * @throws InvalidMidiDataException if we were unable to read the soundbank - * @throws IOException if an I/O error happened while reading - */ - public static Soundbank getSoundbank(InputStream stream) - throws InvalidMidiDataException, IOException - { - Iterator<SoundbankReader> readers = - ServiceFactory.lookupProviders(SoundbankReader.class); - while (readers.hasNext()) - { - SoundbankReader sr = readers.next(); - Soundbank sb = sr.getSoundbank(stream); - if (sb != null) - return sb; - } - throw new InvalidMidiDataException("Cannot read soundbank from stream"); - } - - /** - * Read a Soundbank object from the given url. - * - * @param url the url from which to read the Soundbank - * @return the Soundbank object - * @throws InvalidMidiDataException if we were unable to read the soundbank - * @throws IOException if an I/O error happened while reading - */ - public static Soundbank getSoundbank(URL url) - throws InvalidMidiDataException, IOException - { - Iterator<SoundbankReader> readers = - ServiceFactory.lookupProviders(SoundbankReader.class); - while (readers.hasNext()) - { - SoundbankReader sr = readers.next(); - Soundbank sb = sr.getSoundbank(url); - if (sb != null) - return sb; - } - throw new InvalidMidiDataException("Cannot read from url " + url); - } - - /** - * Read a Soundbank object from the given file. - * - * @param file the file from which to read the Soundbank - * @return the Soundbank object - * @throws InvalidMidiDataException if we were unable to read the soundbank - * @throws IOException if an I/O error happened while reading - */ - public static Soundbank getSoundbank(File file) - throws InvalidMidiDataException, IOException - { - Iterator<SoundbankReader> readers = - ServiceFactory.lookupProviders(SoundbankReader.class); - while (readers.hasNext()) - { - SoundbankReader sr = (SoundbankReader) readers.next(); - Soundbank sb = sr.getSoundbank(file); - if (sb != null) - return sb; - } - throw new InvalidMidiDataException("Cannot read soundbank from file " - + file); - } - - /** - * Read a MidiFileFormat object from the given stream. - * - * @param stream the stream from which to read the MidiFileFormat - * @return the MidiFileFormat object - * @throws InvalidMidiDataException if we were unable to read the MidiFileFormat - * @throws IOException if an I/O error happened while reading - */ - public static MidiFileFormat getMidiFileFormat(InputStream stream) - throws InvalidMidiDataException, IOException - { - Iterator<MidiFileReader> readers = - ServiceFactory.lookupProviders(MidiFileReader.class); - while (readers.hasNext()) - { - MidiFileReader sr = readers.next(); - MidiFileFormat sb = sr.getMidiFileFormat(stream); - if (sb != null) - return sb; - } - throw new InvalidMidiDataException("Can't read MidiFileFormat from stream"); - } - - /** - * Read a MidiFileFormat object from the given url. - * - * @param url the url from which to read the MidiFileFormat - * @return the MidiFileFormat object - * @throws InvalidMidiDataException if we were unable to read the MidiFileFormat - * @throws IOException if an I/O error happened while reading - */ - public static MidiFileFormat getMidiFileFormat(URL url) - throws InvalidMidiDataException, IOException - { - Iterator<MidiFileReader> readers = - ServiceFactory.lookupProviders(MidiFileReader.class); - while (readers.hasNext()) - { - MidiFileReader sr = readers.next(); - MidiFileFormat sb = sr.getMidiFileFormat(url); - if (sb != null) - return sb; - } - throw new InvalidMidiDataException("Cannot read from url " + url); - } - - /** - * Read a MidiFileFormat object from the given file. - * - * @param file the file from which to read the MidiFileFormat - * @return the MidiFileFormat object - * @throws InvalidMidiDataException if we were unable to read the MidiFileFormat - * @throws IOException if an I/O error happened while reading - */ - public static MidiFileFormat getMidiFileFormat(File file) - throws InvalidMidiDataException, IOException - { - Iterator<MidiFileReader> readers = - ServiceFactory.lookupProviders(MidiFileReader.class); - while (readers.hasNext()) - { - MidiFileReader sr = readers.next(); - MidiFileFormat sb = sr.getMidiFileFormat(file); - if (sb != null) - return sb; - } - throw new InvalidMidiDataException("Can't read MidiFileFormat from file " - + file); - } - - /** - * Read a Sequence object from the given stream. - * - * @param stream the stream from which to read the Sequence - * @return the Sequence object - * @throws InvalidMidiDataException if we were unable to read the Sequence - * @throws IOException if an I/O error happened while reading - */ - public static Sequence getSequence(InputStream stream) - throws InvalidMidiDataException, IOException - { - Iterator<MidiFileReader> readers = - ServiceFactory.lookupProviders(MidiFileReader.class); - while (readers.hasNext()) - { - MidiFileReader sr = readers.next(); - Sequence sq = sr.getSequence(stream); - if (sq != null) - return sq; - } - throw new InvalidMidiDataException("Can't read Sequence from stream"); - } - - /** - * Read a Sequence object from the given url. - * - * @param url the url from which to read the Sequence - * @return the Sequence object - * @throws InvalidMidiDataException if we were unable to read the Sequence - * @throws IOException if an I/O error happened while reading - */ - public static Sequence getSequence(URL url) - throws InvalidMidiDataException, IOException - { - Iterator<MidiFileReader> readers = - ServiceFactory.lookupProviders(MidiFileReader.class); - while (readers.hasNext()) - { - MidiFileReader sr = readers.next(); - Sequence sq = sr.getSequence(url); - if (sq != null) - return sq; - } - throw new InvalidMidiDataException("Cannot read from url " + url); - } - - /** - * Read a Sequence object from the given file. - * - * @param file the file from which to read the Sequence - * @return the Sequence object - * @throws InvalidMidiDataException if we were unable to read the Sequence - * @throws IOException if an I/O error happened while reading - */ - public static Sequence getSequence(File file) - throws InvalidMidiDataException, IOException - { - Iterator<MidiFileReader> readers = - ServiceFactory.lookupProviders(MidiFileReader.class); - while (readers.hasNext()) - { - MidiFileReader sr = readers.next(); - Sequence sq = sr.getSequence(file); - if (sq != null) - return sq; - } - throw new InvalidMidiDataException("Can't read Sequence from file " - + file); - } - - /** - * Return an array of supported MIDI file types on this system. - * - * @return the array of supported MIDI file types - */ - public static int[] getMidiFileTypes() - { - // We only support a max of 3 MIDI file types. - boolean supported[] = new boolean[3]; - // The number of supported formats. - int count = 0; - Iterator<MidiFileWriter> writers = - ServiceFactory.lookupProviders(MidiFileWriter.class); - while (writers.hasNext()) - { - MidiFileWriter fw = writers.next(); - int types[] = fw.getMidiFileTypes(); - for (int i = types.length; i > 0;) - { - int type = types[--i]; - if (supported[type] == false) - { - count++; - supported[type] = true; - } - } - } - int result[] = new int[count]; - for (int i = supported.length; i > 0;) - { - if (supported[--i]) - result[--count] = i; - } - return result; - } - - /** - * Return true if the system supports writing files of type fileType. - * - * @param fileType the MIDI file type we want to write - * @return true if we can write fileType files, false otherwise - */ - public static boolean isFileTypeSupported(int fileType) - { - Iterator<MidiFileWriter> writers = ServiceFactory.lookupProviders(MidiFileWriter.class); - while (writers.hasNext()) - { - MidiFileWriter fw = writers.next(); - - if (fw.isFileTypeSupported(fileType)) - return true; - } - return false; - } - - /** - * Return an array of supported MIDI file types on this system - * for the given sequnce. - * - * @param sequence the sequnce to write - * @return the array of supported MIDI file types - */ - public static int[] getMidiFileTypes(Sequence sequence) - { - // We only support a max of 3 MIDI file types. - boolean supported[] = new boolean[3]; - // The number of supported formats. - int count = 0; - Iterator<MidiFileWriter> writers = ServiceFactory.lookupProviders(MidiFileWriter.class); - while (writers.hasNext()) - { - MidiFileWriter fw = (MidiFileWriter) writers.next(); - int types[] = fw.getMidiFileTypes(sequence); - for (int i = types.length; i > 0;) - { - int type = types[--i]; - if (supported[type] == false) - { - count++; - supported[type] = true; - } - } - } - int result[] = new int[count]; - for (int i = supported.length; i > 0;) - { - if (supported[--i]) - result[--count] = i; - } - return result; - } - - /** - * Return true if the system supports writing files of type fileType - * for the given sequence. - * - * @param fileType the MIDI file type we want to write - * @param sequence the Sequence we want to write - * @return true if we can write fileType files for sequence, false otherwise - */ - public static boolean isFileTypeSupported(int fileType, Sequence sequence) - { - Iterator<MidiFileWriter> writers = ServiceFactory.lookupProviders(MidiFileWriter.class); - while (writers.hasNext()) - { - MidiFileWriter fw = (MidiFileWriter) writers.next(); - - if (fw.isFileTypeSupported(fileType, sequence)) - return true; - } - return false; - } - - /** - * Write a sequence to an output stream using a specific MIDI file format. - * - * @param in the sequence to write - * @param fileType the MIDI file format to use - * @param out the output stream to write to - * @return the number of bytes written - * @throws IOException if an I/O exception happens - * @throws IllegalArgumentException if fileType is not supported for in - */ - public static int write(Sequence in, int fileType, OutputStream out) - throws IOException - { - Iterator<MidiFileWriter> writers = ServiceFactory.lookupProviders(MidiFileWriter.class); - while (writers.hasNext()) - { - MidiFileWriter fw = (MidiFileWriter) writers.next(); - - if (fw.isFileTypeSupported(fileType, in)) - return fw.write(in, fileType, out); - } - throw new IllegalArgumentException("File type " - + fileType + " is not supported"); - } - - /** - * Write a sequence to a file using a specific MIDI file format. - * - * @param in the sequence to write - * @param fileType the MIDI file format to use - * @param out the file to write to - * @return the number of bytes written - * @throws IOException if an I/O exception happens - * @throws IllegalArgumentException if fileType is not supported for in - */ - public static int write(Sequence in, int fileType, File out) - throws IOException - { - Iterator<MidiFileWriter> writers = ServiceFactory.lookupProviders(MidiFileWriter.class); - while (writers.hasNext()) - { - MidiFileWriter fw = (MidiFileWriter) writers.next(); - - if (fw.isFileTypeSupported(fileType, in)) - return fw.write(in, fileType, out); - } - throw new IllegalArgumentException("File type " - + fileType + " is not supported"); - } -} |