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package javax.sound.sampled;

import java.security.BasicPermission;


The AudioPermission class represents access rights to the audio system resources. An AudioPermission contains a target name but no actions list; you either have the named permission or you don't. 

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.

 The following table lists 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. 

Permission target name, what the permission allows, and associated
risks

  

    Permission Target Name
    What the Permission Allows
    Risks of Allowing this Permission



  

    play
    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).
    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.
  

    record
    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).
    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.





Author:Kara Kytle
Since:1.3
/**
 * The {@code AudioPermission} class represents access rights to the audio
 * system resources. An {@code AudioPermission} 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} 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.
 *
 * <table class="striped">
 * <caption>Permission target name, what the permission allows, and associated
 * risks</caption>
 * <thead>
 *   <tr>
 *     <th scope="col">Permission Target Name
 *     <th scope="col">What the Permission Allows
 *     <th scope="col">Risks of Allowing this Permission
 * </thead>
 * <tbody>
 *   <tr>
 *     <th scope="row">play
 *     <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>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.
 *   <tr>
 *     <th scope="row">record
 *     <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>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.
 * </tbody>
 * </table>
 *
 * @author Kara Kytle
 * @since 1.3
 */
public class AudioPermission extends BasicPermission {

    
Use serialVersionUID from JDK 1.3 for interoperability.

/**
     * Use serialVersionUID from JDK 1.3 for interoperability.
     */
    private static final long serialVersionUID = -5518053473477801126L;

    
Creates a new AudioPermission object that has the specified symbolic name, such as "play" or "record". An asterisk can be used to indicate all audio permissions. 
Params:
  • name – the name of the new AudioPermission
Throws:
/**
     * Creates a new {@code AudioPermission} 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}
     * @throws NullPointerException if {@code name} is {@code null}
     * @throws IllegalArgumentException if {@code name} is empty
     */
    public AudioPermission(final String name) {
        super(name);
    }

    
Creates a new AudioPermission object that has the specified symbolic name, such as "play" or "record". The actions parameter is currently unused and should be null. 
Params:
  • name – the name of the new AudioPermission
  • actions – (unused; should be null)
Throws:
/**
     * Creates a new {@code AudioPermission} object that has the specified
     * symbolic name, such as "play" or "record". The {@code actions} parameter
     * is currently unused and should be {@code null}.
     *
     * @param  name the name of the new {@code AudioPermission}
     * @param  actions (unused; should be {@code null})
     * @throws NullPointerException if {@code name} is {@code null}
     * @throws IllegalArgumentException if {@code name} is empty
     */
    public AudioPermission(final String name, final String actions) {
        super(name, actions);
    }
}