1 /*
2 * Copyright (c) 1999, 2017, 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;
27
28 import java.security.BasicPermission;
29
30 /**
31 * The {@code AudioPermission} class represents access rights to the audio
32 * system resources. An {@code AudioPermission} contains a target name but no
33 * actions list; you either have the named permission or you don't.
34 * <p>
35 * The target name is the name of the audio permission (see the table below).
36 * The names follow the hierarchical property-naming convention. Also, an
37 * asterisk can be used to represent all the audio permissions.
38 * <p>
39 * The following table lists the possible {@code AudioPermission} target names.
40 * For each name, the table provides a description of exactly what that
41 * permission allows, as well as a discussion of the risks of granting code the
42 * permission.
43 *
44 * <table class="striped">
45 * <caption>Permission target name, what the permission allows, and associated
46 * risks</caption>
47 * <thead>
48 * <tr>
49 * <th>Permission Target Name
50 * <th>What the Permission Allows
51 * <th>Risks of Allowing this Permission
52 * </thead>
53 * <tbody>
54 * <tr>
55 * <td>play
56 * <td>Audio playback through the audio device or devices on the system.
57 * Allows the application to obtain and manipulate lines and mixers for
58 * audio playback (rendering).
59 * <td>In some cases use of this permission may affect other
60 * applications because the audio from one line may be mixed with other
61 * audio being played on the system, or because manipulation of a mixer
62 * affects the audio for all lines using that mixer.
63 * <tr>
64 * <td>record
65 * <td>Audio recording through the audio device or devices on the system.
66 * Allows the application to obtain and manipulate lines and mixers for
67 * audio recording (capture).
68 * <td>In some cases use of this permission may affect other applications
69 * because manipulation of a mixer affects the audio for all lines using
70 * that mixer. This permission can enable an applet or application to
71 * eavesdrop on a user.
72 * </tbody>
73 * </table>
74 *
75 * @author Kara Kytle
76 * @since 1.3
77 */
78 public class AudioPermission extends BasicPermission {
79
80 /**
81 * Use serialVersionUID from JDK 1.3 for interoperability.
82 */
83 private static final long serialVersionUID = -5518053473477801126L;
84
85 /**
86 * Creates a new {@code AudioPermission} object that has the specified
87 * symbolic name, such as "play" or "record". An asterisk can be used to
88 * indicate all audio permissions.
89 *
90 * @param name the name of the new {@code AudioPermission}
91 * @throws NullPointerException if {@code name} is {@code null}
92 * @throws IllegalArgumentException if {@code name} is empty
93 */
94 public AudioPermission(final String name) {
95 super(name);
96 }
97
98 /**
99 * Creates a new {@code AudioPermission} object that has the specified
100 * symbolic name, such as "play" or "record". The {@code actions} parameter
101 * is currently unused and should be {@code null}.
102 *
103 * @param name the name of the new {@code AudioPermission}
104 * @param actions (unused; should be {@code null})
105 * @throws NullPointerException if {@code name} is {@code null}
106 * @throws IllegalArgumentException if {@code name} is empty
107 */
108 public AudioPermission(final String name, final String actions) {
109 super(name, actions);
110 }
111 }