0N/A/*
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0N/A */
0N/A
0N/Apackage javax.sound.midi.spi;
0N/A
0N/Aimport javax.sound.midi.MidiDevice;
0N/Aimport javax.sound.midi.MidiUnavailableException;
0N/A
0N/A/**
0N/A * A <code>MidiDeviceProvider</code> is a factory or provider for a particular
0N/A * type of MIDI device.
0N/A * This mechanism allows the implementation to determine
0N/A * how resources are managed in the creation and management of
0N/A * a device.
0N/A *
0N/A * @author Kara Kytle
0N/A */
0N/Apublic abstract class MidiDeviceProvider {
0N/A
0N/A
0N/A /**
0N/A * Indicates whether the device provider supports the device represented by
0N/A * the specified device info object.
0N/A * @param info an info object that describes the device for which support is queried
0N/A * @return <code>true</code> if the specified device is supported,
0N/A * otherwise <code>false</code>
0N/A */
0N/A public boolean isDeviceSupported(MidiDevice.Info info) {
0N/A
0N/A MidiDevice.Info infos[] = getDeviceInfo();
0N/A
0N/A for(int i=0; i<infos.length; i++) {
0N/A if( info.equals( infos[i] ) ) {
0N/A return true;
0N/A }
0N/A }
0N/A return false;
0N/A }
0N/A
0N/A
0N/A /**
0N/A * Obtains the set of info objects representing the device
0N/A * or devices provided by this <code>MidiDeviceProvider</code>.
0N/A * @return set of device info objects
0N/A */
0N/A public abstract MidiDevice.Info[] getDeviceInfo();
0N/A
0N/A
0N/A /**
0N/A * Obtains an instance of the device represented by the info object.
0N/A * @param info an info object that describes the desired device
0N/A * @return device instance
0N/A * @throws IllegalArgumentException if the info object specified does not
0N/A * match the info object for a device supported by this <code>MidiDeviceProvider</code>.
0N/A */
0N/A public abstract MidiDevice getDevice(MidiDevice.Info info);
0N/A}