src/java.desktop/share/classes/com/sun/media/sound/AbstractMidiDeviceProvider.java

*** 1,7 ****
  /*
!  * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 23,36 ****
   * questions.
   */
  
  package com.sun.media.sound;
  
  import javax.sound.midi.MidiDevice;
  import javax.sound.midi.spi.MidiDeviceProvider;
  
- 
  /**
   * Super class for MIDI input or output device provider.
   *
   * @author Florian Bomers
   */
--- 23,37 ----
   * questions.
   */
  
  package com.sun.media.sound;
  
+ import java.util.Objects;
+ 
  import javax.sound.midi.MidiDevice;
  import javax.sound.midi.spi.MidiDeviceProvider;
  
  /**
   * Super class for MIDI input or output device provider.
   *
   * @author Florian Bomers
   */
*** 125,135 ****
          System.arraycopy(infos, 0, localArray, 0, infos.length);
          return localArray;
      }
  
      @Override
!     public final MidiDevice getDevice(MidiDevice.Info info) {
          if (info instanceof Info) {
              readDeviceInfos();
              MidiDevice[] devices = getDeviceCache();
              Info[] infos = getInfoCache();
              Info thisInfo = (Info) info;
--- 126,137 ----
          System.arraycopy(infos, 0, localArray, 0, infos.length);
          return localArray;
      }
  
      @Override
!     public final MidiDevice getDevice(final MidiDevice.Info info) {
!         Objects.requireNonNull(info);
          if (info instanceof Info) {
              readDeviceInfos();
              MidiDevice[] devices = getDeviceCache();
              Info[] infos = getInfoCache();
              Info thisInfo = (Info) info;