1 /*
2 * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.sound.midi.spi;
27
28 import java.util.Arrays;
29
30 import javax.sound.midi.MidiDevice;
31
32 /**
33 * A {@code MidiDeviceProvider} is a factory or provider for a particular type
34 * of MIDI device. This mechanism allows the implementation to determine how
35 * resources are managed in the creation and management of a device.
36 *
37 * @author Kara Kytle
38 */
39 public abstract class MidiDeviceProvider {
40
41 /**
42 * Indicates whether the device provider supports the device represented by
43 * the specified device info object.
44 *
45 * @param info an info object that describes the device for which support
46 * is queried
47 * @return {@code true} if the specified device is supported, otherwise
48 * {@code false}
49 * @throws NullPointerException if {@code info} is {@code null}
50 */
51 public boolean isDeviceSupported(final MidiDevice.Info info) {
52 return Arrays.stream(getDeviceInfo()).anyMatch(info::equals);
53 }
54
55 /**
56 * Obtains the set of info objects representing the device or devices
57 * provided by this {@code MidiDeviceProvider}.
58 *
59 * @return set of device info objects
|
1 /*
2 * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.sound.midi.spi;
27
28 import java.util.Arrays;
29
30 import javax.sound.midi.MidiDevice;
31
32 /**
33 * A {@code MidiDeviceProvider} is a factory or provider for a particular type
34 * of MIDI device. This mechanism allows the implementation to determine how
35 * resources are managed in the creation and management of a device.
36 *
37 * @author Kara Kytle
38 */
39 public abstract class MidiDeviceProvider {
40
41 /**
42 * Constructs a {@code MidiDeviceProvider}.
43 */
44 protected MidiDeviceProvider() {}
45
46 /**
47 * Indicates whether the device provider supports the device represented by
48 * the specified device info object.
49 *
50 * @param info an info object that describes the device for which support
51 * is queried
52 * @return {@code true} if the specified device is supported, otherwise
53 * {@code false}
54 * @throws NullPointerException if {@code info} is {@code null}
55 */
56 public boolean isDeviceSupported(final MidiDevice.Info info) {
57 return Arrays.stream(getDeviceInfo()).anyMatch(info::equals);
58 }
59
60 /**
61 * Obtains the set of info objects representing the device or devices
62 * provided by this {@code MidiDeviceProvider}.
63 *
64 * @return set of device info objects
|