Examples of javax.sound.midi.MidiDevice.open()

javax.sound.midi.MidiDevice.open()

Opens the device, indicating that it should now acquire any system resources it requires and become operational.

An application opening a device explicitly with this call has to close the device by calling {@link #close}. This is necessary to release system resources and allow applications to exit cleanly.

Note that some devices, once closed, cannot be reopened. Attempts to reopen such a device will always result in a MidiUnavailableException. @throws MidiUnavailableException thrown if the device cannot beopened due to resource restrictions. @throws SecurityException thrown if the device cannot beopened due to security restrictions. @see #close @see #isOpen

     */
    public void openMidiDevice(final int deviceHandle)
        throws MidiUnavailableException
    {
        final MidiDevice device = resolveDeviceHandle(deviceHandle);
        device.open();
    }


    /**
     * Checks if the specified MIDI device is open.
     *

   */
    public Test() throws Exception {


    String MIDI_NAME = "USB Uno MIDI  In";
    MidiDevice dev = getMidiDevice(MIDI_NAME);
    dev.open();
    MyReceiver rec = new MyReceiver();
    dev.getTransmitter().setReceiver(rec);
    Thread.sleep(20000);
    dev.close();

  /** Constructs a new Test. */
    public Test() throws Exception {


    String MIDI_NAME = "USB Uno MIDI  In";
    MidiDevice dev = getMidiDevice(MIDI_NAME);
    dev.open();
    MyReceiver rec = new MyReceiver();
    dev.getTransmitter().setReceiver(rec);
    Thread.sleep(20000);
    dev.close();

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