Class MixerProvider
- java.lang.Object
-
- javax.sound.sampled.spi.MixerProvider
public abstract class MixerProvider extends Object
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
Constructor Summary
Constructor | Description |
---|---|
MixerProvider() |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
abstract Mixer | getMixer(Mixer.Info info) | Obtains an instance of the mixer represented by the info object. |
abstract Mixer.Info[] | getMixerInfo() | Obtains the set of info objects representing the mixer or mixers provided by this MixerProvider. |
boolean | isMixerSupported(Mixer.Info info) | Indicates whether the mixer provider supports the mixer represented by the specified mixer info object. |
Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Constructor Detail
MixerProvider
public MixerProvider()
Method Detail
isMixerSupported
public boolean isMixerSupported(Mixer.Info info)
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 MixerProvider
may be obtained through the getMixerInfo
method.
- Parameters:
-
info
- an info object that describes the mixer for which support is queried - Returns:
-
true
if the specified mixer is supported, otherwisefalse
- Throws:
-
NullPointerException
- ifinfo
isnull
- See Also:
getMixerInfo()
getMixerInfo
public abstract Mixer.Info[] getMixerInfo()
Obtains the set of info objects representing the mixer or mixers provided by this MixerProvider.
The isMixerSupported
method returns true
for all the info objects returned by this method. The corresponding mixer instances for the info objects are returned by the getMixer
method.
- Returns:
- a set of mixer info objects
- See Also:
-
getMixer(Mixer.Info)
,isMixerSupported(Mixer.Info)
getMixer
public abstract Mixer getMixer(Mixer.Info info)
Obtains an instance of the mixer represented by the info object. If null
is passed, then the default mixer will be returned.
The full set of the mixer info objects that represent the mixers supported by this MixerProvider
may be obtained through the getMixerInfo
method. Use the isMixerSupported
method to test whether this MixerProvider
supports a particular mixer.
- Parameters:
-
info
- an info object that describes the desired mixer, ornull
for 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 thisMixerProvider
does not have default mixer, but default mixer has been requested - See Also:
-
getMixerInfo()
,isMixerSupported(Mixer.Info)