src/java.desktop/share/classes/javax/sound/midi/spi/MidiFileWriter.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * 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

@@ -56,10 +56,11 @@
      *
      * @param  sequence the sequence for which MIDI file type support is
      *         queried
      * @return array of file types. If no file types are supported, returns an
      *         array of length 0.
+     * @throws NullPointerException if {@code sequence} is {@code null}
      */
     public abstract int[] getMidiFileTypes(Sequence sequence);
 
     /**
      * Indicates whether file writing support for the specified MIDI file type

@@ -86,10 +87,11 @@
      *
      * @param  fileType the file type for which write capabilities are queried
      * @param  sequence the sequence for which file writing support is queried
      * @return {@code true} if the file type is supported for this sequence,
      *         otherwise {@code false}
+     * @throws NullPointerException if {@code sequence} is {@code null}
      */
     public boolean isFileTypeSupported(int fileType, Sequence sequence) {
 
         int types[] = getMidiFileTypes( sequence );
         for(int i=0; i<types.length; i++) {

@@ -109,10 +111,12 @@
      * @param  out stream to which the file data should be written
      * @return the number of bytes written to the output stream
      * @throws IOException if an I/O exception occurs
      * @throws IllegalArgumentException if the file type is not supported by
      *         this file writer
+     * @throws NullPointerException if {@code in} or {@code out} are
+     *         {@code null}
      * @see #isFileTypeSupported(int, Sequence)
      * @see #getMidiFileTypes(Sequence)
      */
     public abstract int write(Sequence in, int fileType, OutputStream out)
             throws IOException;

@@ -127,10 +131,12 @@
      * @param  out external file to which the file data should be written
      * @return the number of bytes written to the file
      * @throws IOException if an I/O exception occurs
      * @throws IllegalArgumentException if the file type is not supported by
      *         this file writer
+     * @throws NullPointerException if {@code in} or {@code out} are
+     *         {@code null}
      * @see #isFileTypeSupported(int, Sequence)
      * @see #getMidiFileTypes(Sequence)
      */
     public abstract int write(Sequence in, int fileType, File out)
             throws IOException;