| /* MidiDeviceProvider.java -- Abstract parent for a MIDI device provider. |
| Copyright (C) 2005 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.spi; |
| |
| import javax.sound.midi.*; |
| |
| /** |
| * The abstract base class for all MidiDeviceProvider types. |
| * |
| * @author Anthony Green (green@redhat.com) |
| * @since 1.3 |
| * |
| */ |
| public abstract class MidiDeviceProvider |
| { |
| /** |
| * Returns true if this provider supports a specific MIDI device. |
| * |
| * @param info the MIDI device descriptor |
| * @return true if this provider supports info |
| */ |
| public boolean isDeviceSupported(MidiDevice.Info info) |
| { |
| MidiDevice.Info infos[] = getDeviceInfo(); |
| |
| int i = infos.length; |
| |
| while (i > 0) |
| { |
| if (info.equals(infos[--i])) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Get the list descriptors for all MIDI devices supported by |
| * this provider. |
| * |
| * @return an array of descriptors for all supported MIDI devices. |
| */ |
| public abstract MidiDevice.Info[] getDeviceInfo(); |
| |
| /** |
| * Get the MidiDevice for the MIDI device described by info |
| * |
| * @param info the descriptor for the MIDI device we want |
| * @return the MidiDevice we're looking for |
| * @throws IllegalArgumentException is this provider doesn't support info |
| */ |
| public abstract MidiDevice getDevice(MidiDevice.Info info) |
| throws IllegalArgumentException; |
| } |