Class MixerProvider
java.lang.Object
javax.sound.sampled.spi.MixerProvider
A provider or factory for a particular mixer type. This mechanism allows the
implementation to determine how resources are managed in creation /
management of a mixer.
- Since:
- 1.3
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionabstract MixergetMixer(Mixer.Info info) Obtains an instance of the mixer represented by the info object.abstract Mixer.Info[]Obtains the set of info objects representing the mixer or mixers provided by this MixerProvider.booleanisMixerSupported(Mixer.Info info) Indicates whether the mixer provider supports the mixer represented by the specified mixer info object.
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Constructor Details
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MixerProvider
protected MixerProvider()Constructor for subclasses to call.
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Method Details
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isMixerSupported
Indicates whether the mixer provider supports the mixer represented by the specified mixer info object.The full set of mixer info objects that represent the mixers supported by this
MixerProvidermay be obtained through thegetMixerInfomethod.- Parameters:
info- an info object that describes the mixer for which support is queried- Returns:
trueif the specified mixer is supported, otherwisefalse- Throws:
NullPointerException- ifinfoisnull- See Also:
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getMixerInfo
Obtains the set of info objects representing the mixer or mixers provided by this MixerProvider.The
isMixerSupportedmethod returnstruefor all the info objects returned by this method. The corresponding mixer instances for the info objects are returned by thegetMixermethod.- Returns:
- a set of mixer info objects
- See Also:
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getMixer
Obtains an instance of the mixer represented by the info object. Ifnullis passed, then the default mixer will be returned.The full set of the mixer info objects that represent the mixers supported by this
MixerProvidermay be obtained through thegetMixerInfomethod. Use theisMixerSupportedmethod to test whether thisMixerProvidersupports a particular mixer.- Parameters:
info- an info object that describes the desired mixer, ornullfor the default mixer- Returns:
- mixer instance
- Throws:
IllegalArgumentException- if the info object specified does not match the info object for a mixer supported by thisMixerProvider, or if thisMixerProviderdoes not have default mixer, but default mixer has been requested- See Also:
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