- java.lang.Object
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- javax.sound.midi.spi.MidiDeviceProvider
 
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 public abstract class MidiDeviceProvider extends Object AMidiDeviceProvideris a factory or provider for a particular type of MIDI device. This mechanism allows the implementation to determine how resources are managed in the creation and management of a device.
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Constructor SummaryConstructors Constructor Description MidiDeviceProvider()
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Method SummaryAll Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract MidiDevicegetDevice(MidiDevice.Info info)Obtains an instance of the device represented by the info object.abstract MidiDevice.Info[]getDeviceInfo()Obtains the set of info objects representing the device or devices provided by thisMidiDeviceProvider.booleanisDeviceSupported(MidiDevice.Info info)Indicates whether the device provider supports the device represented by the specified device info object.
 
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Method Detail- 
isDeviceSupportedpublic boolean isDeviceSupported(MidiDevice.Info info) Indicates whether the device provider supports the device represented by the specified device info object.- Parameters:
- info- an info object that describes the device for which support is queried
- Returns:
- trueif the specified device is supported, otherwise- false
- Throws:
- NullPointerException- if- infois- null
 
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getDeviceInfopublic abstract MidiDevice.Info[] getDeviceInfo() Obtains the set of info objects representing the device or devices provided by thisMidiDeviceProvider.- Returns:
- set of device info objects
 
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getDevicepublic abstract MidiDevice getDevice(MidiDevice.Info info) Obtains an instance of the device represented by the info object.- Parameters:
- info- an info object that describes the desired device
- Returns:
- device instance
- Throws:
- IllegalArgumentException- if the info object specified does not match the info object for a device supported by this- MidiDeviceProvider
- NullPointerException- if- infois- null
 
 
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