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MediaAccessHandlerRegistrar
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org.ocap.media
Class MediaAccessHandlerRegistrar
java.lang.Object
org.ocap.media.MediaAccessHandlerRegistrar
public abstract class MediaAccessHandlerRegistrar
- extends java.lang.Object
This class allows to register a handler that can prevent the presentation of
A/V service components.
This handler must be plugged in the service selection before the service components
presentation.
Moreover, it allows the Monitor Application to handle some triggers. A trigger is an event that can lead to an evaluation of the presented media.
| Constructor Summary | |
|---|---|
protected |
MediaAccessHandlerRegistrar()
Constructor of MediaAccessHandlerRegistrar. |
| Method Summary | |
|---|---|
static MediaAccessHandlerRegistrar |
getInstance()
This method returns the sole instance of the |
abstract void |
registerMediaAccessHandler(MediaAccessHandler mah)
Registers the handler that can prevent the presentation of A/V service components. |
abstract void |
setExternalTriggers(MediaPresentationEvaluationTrigger[] triggers)
Defines the list of triggers that the Monitor Application wants to generate. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
MediaAccessHandlerRegistrar
protected MediaAccessHandlerRegistrar()
- Constructor of MediaAccessHandlerRegistrar.
An application must use the
getInstance()
| Method Detail |
|---|
getInstance
public static MediaAccessHandlerRegistrar getInstance()
- This method returns the sole instance of the
MediaAccessHandlerRegistrarMediaAccessHandlerRegistrar- Returns:
- The
MediaAccessHandlerRegistrar
registerMediaAccessHandler
public abstract void registerMediaAccessHandler(MediaAccessHandler mah)
- Registers the handler that can prevent the presentation of A/V service components.
At most, only one instance of MediaAccessHandler can be set. Multiple calls of this method replace the previous instance by a new one.
By default, no MediaAccessHandler is set, i.e. the MediaAccessHandler.checkMediaAccessAuthorization() method is not called.- Parameters:
mah- The MediaAccessHandler to set. If null is set, the MediaAccessHandler instance will be removed.- Throws:
java.lang.SecurityException- if the caller does not have MonitorAppPermission("mediaAccess") permission.- See Also:
MediaAccessHandler
setExternalTriggers
public abstract void setExternalTriggers(MediaPresentationEvaluationTrigger[] triggers)
- Defines the list of triggers that the Monitor Application wants to generate.
Such triggers must be MediaPresentationEvaluationTriggers tagged as
"OPTIONAL". When set, the OCAP implementation stops generating corresponding
MediaPresentationEvaluationTrigger- Parameters:
triggers- Array of MediaPresentationEvaluationTriggers generated by the Monitor Application.- Throws:
java.lang.SecurityException- if the caller does not have MonitorAppPermission("mediaAccess") permission.java.lang.IllegalArgumentException- if one of the input triggers is "MANDATORY".- See Also:
MediaPresentationEvaluationTrigger
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