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.sampled.spi;
27
28 import java.util.Arrays;
29
30 import javax.sound.sampled.Mixer;
31
32 /**
33 * A provider or factory for a particular mixer type. This mechanism allows the
34 * implementation to determine how resources are managed in creation /
35 * management of a mixer.
36 *
37 * @author Kara Kytle
38 * @since 1.3
39 */
40 public abstract class MixerProvider {
41
42 /**
43 * Indicates whether the mixer provider supports the mixer represented by
44 * the specified mixer info object.
45 * <p>
46 * The full set of mixer info objects that represent the mixers supported by
47 * this {@code MixerProvider} may be obtained through the
48 * {@code getMixerInfo} method.
49 *
50 * @param info an info object that describes the mixer for which support is
51 * queried
52 * @return {@code true} if the specified mixer is supported, otherwise
53 * {@code false}
54 * @throws NullPointerException if {@code info} is {@code null}
55 * @see #getMixerInfo()
56 */
57 public boolean isMixerSupported(final Mixer.Info info) {
58 return Arrays.stream(getMixerInfo()).anyMatch(info::equals);
59 }
60
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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.sampled.spi;
27
28 import java.util.Arrays;
29
30 import javax.sound.sampled.Mixer;
31
32 /**
33 * A provider or factory for a particular mixer type. This mechanism allows the
34 * implementation to determine how resources are managed in creation /
35 * management of a mixer.
36 *
37 * @author Kara Kytle
38 * @since 1.3
39 */
40 public abstract class MixerProvider {
41
42 /**
43 * Constructs a {@code MixerProvider}.
44 */
45 protected MixerProvider() {}
46
47 /**
48 * Indicates whether the mixer provider supports the mixer represented by
49 * the specified mixer info object.
50 * <p>
51 * The full set of mixer info objects that represent the mixers supported by
52 * this {@code MixerProvider} may be obtained through the
53 * {@code getMixerInfo} method.
54 *
55 * @param info an info object that describes the mixer for which support is
56 * queried
57 * @return {@code true} if the specified mixer is supported, otherwise
58 * {@code false}
59 * @throws NullPointerException if {@code info} is {@code null}
60 * @see #getMixerInfo()
61 */
62 public boolean isMixerSupported(final Mixer.Info info) {
63 return Arrays.stream(getMixerInfo()).anyMatch(info::equals);
64 }
65
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