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

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 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) 1999, 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
*** 25,34 ****
--- 25,35 ----
  
  package com.sun.media.sound;
  
  import java.io.IOException;
  
+ import java.util.Objects;
  import java.util.Vector;
  
  import javax.sound.sampled.AudioFormat;
  import javax.sound.sampled.AudioSystem;
  import javax.sound.sampled.AudioInputStream;
*** 104,113 ****
--- 105,116 ----
  
  
      /**
       */
      public AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat){
+         Objects.requireNonNull(targetEncoding);
+         Objects.requireNonNull(sourceFormat);
          if( (AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding)
               && AudioFormat.Encoding.ULAW.equals(sourceFormat.getEncoding()))
              ||
              (AudioFormat.Encoding.ULAW.equals(targetEncoding)
               && AudioFormat.Encoding.PCM_SIGNED.equals(sourceFormat.getEncoding()))) {