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* published by the Free Software Foundation. Oracle designates this
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*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package javax.sound.midi.spi;
import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiUnavailableException;
/**
* A <code>MidiDeviceProvider</code> is a factory or provider for a particular
* type of MIDI device.
* This mechanism allows the implementation to determine
* how resources are managed in the creation and management of
* a device.
*
* @author Kara Kytle
*/
public abstract class MidiDeviceProvider {
/**
* Indicates whether the device provider supports the device represented by
* the specified device info object.
* @param info an info object that describes the device for which support is queried
* @return <code>true</code> if the specified device is supported,
* otherwise <code>false</code>
*/
public boolean isDeviceSupported(MidiDevice.Info info) {
MidiDevice.Info infos[] = getDeviceInfo();
for(int i=0; i<infos.length; i++) {
if( info.equals( infos[i] ) ) {
return true;
}
}
return false;
}
/**
* Obtains the set of info objects representing the device
* or devices provided by this <code>MidiDeviceProvider</code>.
* @return set of device info objects
*/
public abstract MidiDevice.Info[] getDeviceInfo();
/**
* Obtains an instance of the device represented by the info object.
* @param info an info object that describes the desired device
* @return device instance
* @throws IllegalArgumentException if the info object specified does not
* match the info object for a device supported by this <code>MidiDeviceProvider</code>.
*/
public abstract MidiDevice getDevice(MidiDevice.Info info);
}