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237 lines
8.0 KiB
237 lines
8.0 KiB
/*
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* Copyright (c) 1999, 2002, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*/
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package javax.sound.sampled;
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import java.security.BasicPermission;
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/**
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* The <code>AudioPermission</code> class represents access rights to the audio
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* system resources. An <code>AudioPermission</code> contains a target name
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* but no actions list; you either have the named permission or you don't.
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* <p>
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* The target name is the name of the audio permission (see the table below).
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* The names follow the hierarchical property-naming convention. Also, an asterisk
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* can be used to represent all the audio permissions.
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* <p>
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* The following table lists the possible <code>AudioPermission</code> target names.
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* For each name, the table provides a description of exactly what that permission
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* allows, as well as a discussion of the risks of granting code the permission.
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* <p>
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*
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* <table border=1 cellpadding=5 summary="permission target name, what the permission allows, and associated risks">
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* <tr>
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* <th>Permission Target Name</th>
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* <th>What the Permission Allows</th>
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* <th>Risks of Allowing this Permission</th>
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* </tr>
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*
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* <tr>
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* <td>play</td>
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* <td>Audio playback through the audio device or devices on the system.
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* Allows the application to obtain and manipulate lines and mixers for
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* audio playback (rendering).</td>
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* <td>In some cases use of this permission may affect other
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* applications because the audio from one line may be mixed with other audio
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* being played on the system, or because manipulation of a mixer affects the
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* audio for all lines using that mixer.</td>
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*</tr>
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*
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* <tr>
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* <td>record</td>
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* <td>Audio recording through the audio device or devices on the system.
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* Allows the application to obtain and manipulate lines and mixers for
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* audio recording (capture).</td>
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* <td>In some cases use of this permission may affect other
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* applications because manipulation of a mixer affects the audio for all lines
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* using that mixer.
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* This permission can enable an applet or application to eavesdrop on a user.</td>
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*</tr>
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*</table>
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*<p>
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*
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* @author Kara Kytle
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* @since 1.3
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*/
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/*
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* (OLD PERMISSIONS TAKEN OUT FOR 1.2 BETA)
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*
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* <tr>
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* <td>playback device access</td>
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* <td>Direct access to the audio playback device(s), including configuration of the
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* playback format, volume, and balance, explicit opening and closing of the device,
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* etc.</td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* <tr>
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* <td>playback device override</td>
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* <td>Manipulation of the audio playback device(s) in a way that directly conflicts
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* with use by other applications. This includes closing the device while it is in
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* use by another application, changing the device format while another application
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* is using it, etc. </td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* <tr>
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* <td>record device access</td>
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* <td>Direct access to the audio recording device(s), including configuration of the
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* the record format, volume, and balance, explicit opening and closing of the device,
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* etc.</td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* <tr>
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* <td>record device override</td>
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* <td>Manipulation of the audio recording device(s) in a way that directly conflicts
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* with use by other applications. This includes closing the device while it is in
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* use by another application, changing the device format while another application
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* is using it, etc. </td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* </table>
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*<p>
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*
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* @author Kara Kytle
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* @since 1.3
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*/
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/*
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* The <code>AudioPermission</code> class represents access rights to the audio
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* system resources. An <code>AudioPermission</code> contains a target name
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* but no actions list; you either have the named permission or you don't.
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* <p>
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* The target name is the name of the audio permission (see the table below).
|
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* The names follow the hierarchical property-naming convention. Also, an asterisk
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* can be used to represent all the audio permissions.
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* <p>
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* The following table lists all the possible AudioPermission target names.
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* For each name, the table provides a description of exactly what that permission
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* allows, as well as a discussion of the risks of granting code the permission.
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* <p>
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*
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* <table border=1 cellpadding=5>
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* <tr>
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* <th>Permission Target Name</th>
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* <th>What the Permission Allows</th>
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* <th>Risks of Allowing this Permission</th>
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* </tr>
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*
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* <tr>
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* <td>play</td>
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* <td>Audio playback through the audio device or devices on the system.</td>
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* <td>Allows the application to use a system device. Can affect other applications,
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* because the result will be mixed with other audio being played on the system.</td>
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*</tr>
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*
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* <tr>
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* <td>record</td>
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* <td>Recording audio from the audio device or devices on the system,
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* commonly through a microphone.</td>
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* <td>Can enable an applet or application to eavesdrop on a user.</td>
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* </tr>
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*
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* <tr>
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* <td>playback device access</td>
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* <td>Direct access to the audio playback device(s), including configuration of the
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* playback format, volume, and balance, explicit opening and closing of the device,
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* etc.</td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* <tr>
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* <td>playback device override</td>
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* <td>Manipulation of the audio playback device(s) in a way that directly conflicts
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* with use by other applications. This includes closing the device while it is in
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* use by another application, changing the device format while another application
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* is using it, etc. </td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* <tr>
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* <td>record device access</td>
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* <td>Direct access to the audio recording device(s), including configuration of the
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* the record format, volume, and balance, explicit opening and closing of the device,
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* etc.</td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* <tr>
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* <td>record device override</td>
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* <td>Manipulation of the audio recording device(s) in a way that directly conflicts
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* with use by other applications. This includes closing the device while it is in
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* use by another application, changing the device format while another application
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* is using it, etc. </td>
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* <td>Changes the properties of a shared system device and therefore
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* can affect other applications.</td>
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* </tr>
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*
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* </table>
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*<p>
|
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*
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* @author Kara Kytle
|
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*/
|
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|
|
public class AudioPermission extends BasicPermission {
|
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|
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/**
|
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* Creates a new <code>AudioPermission</code> object that has the specified
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* symbolic name, such as "play" or "record". An asterisk can be used to indicate
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* all audio permissions.
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* @param name the name of the new <code>AudioPermission</code>
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*
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* @throws NullPointerException if <code>name</code> is <code>null</code>.
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* @throws IllegalArgumentException if <code>name</code> is empty.
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*/
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public AudioPermission(String name) {
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super(name);
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}
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/**
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* Creates a new <code>AudioPermission</code> object that has the specified
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* symbolic name, such as "play" or "record". The <code>actions</code>
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* parameter is currently unused and should be <code>null</code>.
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* @param name the name of the new <code>AudioPermission</code>
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* @param actions (unused; should be <code>null</code>)
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*
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* @throws NullPointerException if <code>name</code> is <code>null</code>.
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* @throws IllegalArgumentException if <code>name</code> is empty.
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*/
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public AudioPermission(String name, String actions) {
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super(name, actions);
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}
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}
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