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

*** 1,7 ****
  /*
!  * Copyright (c) 2003, 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) 2003, 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
*** 23,32 ****
--- 23,34 ----
   * questions.
   */
  
  package com.sun.media.sound;
  
+ import java.util.Objects;
+ 
  import javax.sound.midi.MidiDevice;
  import javax.sound.midi.spi.MidiDeviceProvider;
  
  /**
   * Provider for RealTimeSequencer objects.
*** 40,49 ****
--- 42,52 ----
          return new MidiDevice.Info[]{RealTimeSequencer.info};
      }
  
      @Override
      public MidiDevice getDevice(final MidiDevice.Info info) {
+         Objects.requireNonNull(info);
          if (RealTimeSequencer.info.equals(info)) {
              return new RealTimeSequencer();
          }
          throw MidiUtils.unsupportedDevice(info);
      }