Module java.desktop
Package javax.sound.midi.spi

Class MidiDeviceProvider

java.lang.Object
javax.sound.midi.spi.MidiDeviceProvider
public abstract class MidiDeviceProvider extends Object
A MidiDeviceProvider is 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.

  • Constructor Details

    • MidiDeviceProvider

      protected MidiDeviceProvider()
      Constructor for subclasses to call.

  • Method Details

    • isDeviceSupported

      public 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:
      true if the specified device is supported, otherwise false
      Throws:
      NullPointerException - if info is null

    • getDeviceInfo

      public abstract MidiDevice.Info[] getDeviceInfo()
      Obtains the set of info objects representing the device or devices provided by this MidiDeviceProvider.
      Returns:
      set of device info objects

    • getDevice

      public 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 info is null