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src/java.desktop/share/classes/javax/sound/sampled/spi/AudioFileWriter.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, 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

@@ -26,11 +26,11 @@
 package javax.sound.sampled.spi;
 
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
-import java.util.Objects;
+import java.util.Arrays;
 
 import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
 
 import static javax.sound.sampled.AudioFileFormat.Type;

@@ -61,21 +61,12 @@
      * @param  fileType the file type for which write capabilities are queried
      * @return {@code true} if the file type is supported, otherwise
      *         {@code false}
      * @throws NullPointerException if {@code fileType} is {@code null}
      */
-    public boolean isFileTypeSupported(Type fileType) {
-        Objects.requireNonNull(fileType);
-
-        Type types[] = getAudioFileTypes();
-
-        for(int i=0; i<types.length; i++) {
-            if( fileType.equals( types[i] ) ) {
-                return true;
-            }
-        }
-        return false;
+    public boolean isFileTypeSupported(final Type fileType) {
+        return Arrays.stream(getAudioFileTypes()).anyMatch(fileType::equals);
     }
 
     /**
      * Obtains the file types that this audio file writer can write from the
      * audio input stream specified.

@@ -97,20 +88,14 @@
      * @return {@code true} if the file type is supported for this audio input
      *         stream, otherwise {@code false}
      * @throws NullPointerException if {@code fileType} or {@code stream} are
      *         {@code null}
      */
-    public boolean isFileTypeSupported(Type fileType, AudioInputStream stream) {
-        Objects.requireNonNull(fileType);
-        Type types[] = getAudioFileTypes( stream );
-
-        for(int i=0; i<types.length; i++) {
-            if( fileType.equals( types[i] ) ) {
-                return true;
-            }
-        }
-        return false;
+    public boolean isFileTypeSupported(final Type fileType,
+                                       final AudioInputStream stream) {
+        return Arrays.stream(getAudioFileTypes(stream))
+                     .anyMatch(fileType::equals);
     }
 
     /**
      * Writes a stream of bytes representing an audio file of the file type
      * indicated to the output stream provided. Some file types require that the
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