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diff --git a/libjava/classpath/javax/sound/sampled/spi/AudioFileReader.java b/libjava/classpath/javax/sound/sampled/spi/AudioFileReader.java
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+/* Audio file reader API
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.sound.sampled.spi;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+import javax.sound.sampled.AudioFileFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.UnsupportedAudioFileException;
+
+/**
+ * This abstract class defines the interface to audio file readers.
+ * A concrete provider subclass will implement the methods declared
+ * here.  These methods can be used to determine the format of
+ * files, and to retrieve an AudioInputStream for a file. 
+ * @since 1.3
+ */
+public abstract class AudioFileReader
+{
+  /**
+   * The default constructor.  Note that this class is abstract and
+   * thus not directly instantiable.
+   */
+  public AudioFileReader()
+  {
+  }
+
+  /**
+   * Return the format of the given file as deduced by this provider.
+   * If the format of the file is not recognized, throws an exception.
+   * This will also throw an exception if there is an I/O error when
+   * reading the file.
+   * @param file the file to examine
+   * @return the audio file format
+   * @throws UnsupportedAudioFileException if the file's format is not
+   * recognized
+   * @throws IOException if there is an I/O error while reading the file
+   */
+  public abstract AudioFileFormat getAudioFileFormat(File file)
+    throws UnsupportedAudioFileException, IOException;
+
+  /**
+   * Return the format of the given input stream as deduced by this provider.
+   * If the format of the stream is not recognized, throws an exception.
+   * This will also throw an exception if there is an I/O error when
+   * reading the stream.  Note that providers typically use mark and reset
+   * on the stream when examining the data, and as a result an IOException
+   * may be thrown if the stream does not support these.
+   * @param is the stream to examine
+   * @return the audio file format
+   * @throws UnsupportedAudioFileException if the stream's format is not
+   * recognized
+   * @throws IOException if there is an I/O error while reading the stream
+   */
+  public abstract AudioFileFormat getAudioFileFormat(InputStream is)
+    throws UnsupportedAudioFileException, IOException;
+
+  /**
+   * Return the format of the given URL as deduced by this provider.
+   * If the format of the URL is not recognized, throws an exception.
+   * This will also throw an exception if there is an I/O error when
+   * reading the URL.
+   * @param url the URL to examine
+   * @return the audio file format
+   * @throws UnsupportedAudioFileException if the URL's format is not
+   * recognized
+   * @throws IOException if there is an I/O error while reading the URL
+   */
+  public abstract AudioFileFormat getAudioFileFormat(URL url)
+    throws UnsupportedAudioFileException, IOException;
+
+  /**
+   * Return an AudioInputStream for the given file.  The file is assumed
+   * to hold valid audio data.  
+   * @param file the file to read
+   * @return an AudioInputStream for the file
+   * @throws UnsupportedAudioFileException if the file's type is not
+   * recognized
+   * @throws IOException if there is an error while reading the file 
+   */
+  public abstract AudioInputStream getAudioInputStream(File file)
+    throws UnsupportedAudioFileException, IOException;
+
+  /**
+   * Return an AudioInputStream wrapping the given input stream.  The stream
+   * is assumed to hold valid audio data.  
+   * @param is the input stream to wrap
+   * @return an AudioInputStream for the stream
+   * @throws UnsupportedAudioFileException if the stream's type is not
+   * recognized
+   * @throws IOException if there is an error while reading the stream 
+   */
+  public abstract AudioInputStream getAudioInputStream(InputStream is)
+    throws UnsupportedAudioFileException, IOException;
+
+  /**
+   * Return an AudioInputStream for the given URL.  The URL is assumed
+   * to hold valid audio data.  
+   * @param url the URL to read
+   * @return an AudioInputStream for the URL
+   * @throws UnsupportedAudioFileException if the URL's type is not
+   * recognized
+   * @throws IOException if there is an error while reading the URL 
+   */
+  public abstract AudioInputStream getAudioInputStream(URL url)
+    throws UnsupportedAudioFileException, IOException;
+}