MidiDeviceProvider (Java SE 9 & JDK 9 )

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 Summary

Constructors
Constructor Description

MidiDeviceProvider()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract MidiDevice`	`getDevice(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 this `MidiDeviceProvider`.
`boolean`	`isDeviceSupported(MidiDevice.Info info)`	Indicates whether the device provider supports the device represented by the specified device info object.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MidiDeviceProvider
```
public MidiDeviceProvider()
```
- Method Detail
  - 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