/*
* Copyright (c) 1999, 2002, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.sound.sampled;
import java.security.BasicPermission;
/**
* The <code>AudioPermission</code> class represents access rights to the audio
* system resources. An <code>AudioPermission</code> contains a target name
* but no actions list; you either have the named permission or you don't.
* <p>
* The target name is the name of the audio permission (see the table below).
* The names follow the hierarchical property-naming convention. Also, an asterisk
* can be used to represent all the audio permissions.
* <p>
* The following table lists the possible <code>AudioPermission</code> target names.
* For each name, the table provides a description of exactly what that permission
* allows, as well as a discussion of the risks of granting code the permission.
* <p>
*
* <table border=1 cellpadding=5 summary="permission target name, what the permission allows, and associated risks">
* <tr>
* <th>Permission Target Name</th>
* <th>What the Permission Allows</th>
* <th>Risks of Allowing this Permission</th>
* </tr>
*
* <tr>
* <td>play</td>
* <td>Audio playback through the audio device or devices on the system.
* Allows the application to obtain and manipulate lines and mixers for
* audio playback (rendering).</td>
* <td>In some cases use of this permission may affect other
* applications because the audio from one line may be mixed with other audio
* being played on the system, or because manipulation of a mixer affects the
* audio for all lines using that mixer.</td>
*</tr>
*
* <tr>
* <td>record</td>
* <td>Audio recording through the audio device or devices on the system.
* Allows the application to obtain and manipulate lines and mixers for
* audio recording (capture).</td>
* <td>In some cases use of this permission may affect other
* applications because manipulation of a mixer affects the audio for all lines
* using that mixer.
* This permission can enable an applet or application to eavesdrop on a user.</td>
*</tr>
*</table>
*<p>
*
* @author Kara Kytle
* @since 1.3
*/
/*
* (OLD PERMISSIONS TAKEN OUT FOR 1.2 BETA)
*
* <tr>
* <td>playback device access</td>
* <td>Direct access to the audio playback device(s), including configuration of the
* playback format, volume, and balance, explicit opening and closing of the device,
* etc.</td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* <tr>
* <td>playback device override</td>
* <td>Manipulation of the audio playback device(s) in a way that directly conflicts
* with use by other applications. This includes closing the device while it is in
* use by another application, changing the device format while another application
* is using it, etc. </td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* <tr>
* <td>record device access</td>
* <td>Direct access to the audio recording device(s), including configuration of the
* the record format, volume, and balance, explicit opening and closing of the device,
* etc.</td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* <tr>
* <td>record device override</td>
* <td>Manipulation of the audio recording device(s) in a way that directly conflicts
* with use by other applications. This includes closing the device while it is in
* use by another application, changing the device format while another application
* is using it, etc. </td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* </table>
*<p>
*
* @author Kara Kytle
* @since 1.3
*/
/*
* The <code>AudioPermission</code> class represents access rights to the audio
* system resources. An <code>AudioPermission</code> contains a target name
* but no actions list; you either have the named permission or you don't.
* <p>
* The target name is the name of the audio permission (see the table below).
* The names follow the hierarchical property-naming convention. Also, an asterisk
* can be used to represent all the audio permissions.
* <p>
* The following table lists all the possible AudioPermission target names.
* For each name, the table provides a description of exactly what that permission
* allows, as well as a discussion of the risks of granting code the permission.
* <p>
*
* <table border=1 cellpadding=5>
* <tr>
* <th>Permission Target Name</th>
* <th>What the Permission Allows</th>
* <th>Risks of Allowing this Permission</th>
* </tr>
*
* <tr>
* <td>play</td>
* <td>Audio playback through the audio device or devices on the system.</td>
* <td>Allows the application to use a system device. Can affect other applications,
* because the result will be mixed with other audio being played on the system.</td>
*</tr>
*
* <tr>
* <td>record</td>
* <td>Recording audio from the audio device or devices on the system,
* commonly through a microphone.</td>
* <td>Can enable an applet or application to eavesdrop on a user.</td>
* </tr>
*
* <tr>
* <td>playback device access</td>
* <td>Direct access to the audio playback device(s), including configuration of the
* playback format, volume, and balance, explicit opening and closing of the device,
* etc.</td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* <tr>
* <td>playback device override</td>
* <td>Manipulation of the audio playback device(s) in a way that directly conflicts
* with use by other applications. This includes closing the device while it is in
* use by another application, changing the device format while another application
* is using it, etc. </td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* <tr>
* <td>record device access</td>
* <td>Direct access to the audio recording device(s), including configuration of the
* the record format, volume, and balance, explicit opening and closing of the device,
* etc.</td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* <tr>
* <td>record device override</td>
* <td>Manipulation of the audio recording device(s) in a way that directly conflicts
* with use by other applications. This includes closing the device while it is in
* use by another application, changing the device format while another application
* is using it, etc. </td>
* <td>Changes the properties of a shared system device and therefore
* can affect other applications.</td>
* </tr>
*
* </table>
*<p>
*
* @author Kara Kytle
*/
public class AudioPermission extends BasicPermission {
/**
* Creates a new <code>AudioPermission</code> object that has the specified
* symbolic name, such as "play" or "record". An asterisk can be used to indicate
* all audio permissions.
* @param name the name of the new <code>AudioPermission</code>
*
* @throws NullPointerException if <code>name</code> is <code>null</code>.
* @throws IllegalArgumentException if <code>name</code> is empty.
*/
public AudioPermission(String name) {
super(name);
}
/**
* Creates a new <code>AudioPermission</code> object that has the specified
* symbolic name, such as "play" or "record". The <code>actions</code>
* parameter is currently unused and should be <code>null</code>.
* @param name the name of the new <code>AudioPermission</code>
* @param actions (unused; should be <code>null</code>)
*
* @throws NullPointerException if <code>name</code> is <code>null</code>.
* @throws IllegalArgumentException if <code>name</code> is empty.
*/
public AudioPermission(String name, String actions) {
super(name, actions);
}
}