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

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  /*
!  * 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
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  /*
!  * 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
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   * questions.
   */
  
  package javax.sound.sampled.spi;
  
! import java.util.Objects;
  
  import javax.sound.sampled.Mixer;
  
  /**
   * A provider or factory for a particular mixer type. This mechanism allows the
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   * questions.
   */
  
  package javax.sound.sampled.spi;
  
! import java.util.Arrays;
  
  import javax.sound.sampled.Mixer;
  
  /**
   * A provider or factory for a particular mixer type. This mechanism allows the
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       * @return {@code true} if the specified mixer is supported, otherwise
       *         {@code false}
       * @throws NullPointerException if {@code info} is {@code null}
       * @see #getMixerInfo()
       */
!     public boolean isMixerSupported(Mixer.Info info) {
!         Objects.requireNonNull(info);
! 
!         Mixer.Info infos[] = getMixerInfo();
! 
!         for(int i=0; i<infos.length; i++){
!             if( info.equals( infos[i] ) ) {
!                 return true;
!             }
!         }
!         return false;
      }
  
      /**
       * Obtains the set of info objects representing the mixer or mixers provided
       * by this MixerProvider.
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       * @return {@code true} if the specified mixer is supported, otherwise
       *         {@code false}
       * @throws NullPointerException if {@code info} is {@code null}
       * @see #getMixerInfo()
       */
!     public boolean isMixerSupported(final Mixer.Info info) {
!         return Arrays.stream(getMixerInfo()).anyMatch(info::equals);
      }
  
      /**
       * Obtains the set of info objects representing the mixer or mixers provided
       * by this MixerProvider.