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

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2016, 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, 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
*** 28,37 ****
--- 28,39 ----
  import java.applet.AudioClip;
  import java.io.BufferedInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
+ import java.net.URL;
+ import java.net.URLConnection;
  
  import javax.sound.midi.InvalidMidiDataException;
  import javax.sound.midi.MetaEventListener;
  import javax.sound.midi.MetaMessage;
  import javax.sound.midi.MidiFileFormat;
*** 74,83 ****
--- 76,86 ----
      private DataPusher datapusher = null;
  
      private Sequencer sequencer = null;
      private Sequence sequence = null;
      private boolean sequencerloop = false;
+     private volatile boolean success;
  
      /**
       * used for determining how many samples is the
       * threshhold between playing as a Clip and streaming
       * from the file.
*** 89,104 ****
       */
      private static final long CLIP_THRESHOLD = 1048576;
      //private final static long CLIP_THRESHOLD = 1;
      private static final int STREAM_BUFFER_SIZE = 1024;
  
!     public JavaSoundAudioClip(InputStream in) throws IOException {
          if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip.<init>");
  
          BufferedInputStream bis = new BufferedInputStream(in, STREAM_BUFFER_SIZE);
          bis.mark(STREAM_BUFFER_SIZE);
-         boolean success = false;
          try {
              AudioInputStream as = AudioSystem.getAudioInputStream(bis);
              // load the stream data into memory
              success = loadAudioData(as);
  
--- 92,126 ----
       */
      private static final long CLIP_THRESHOLD = 1048576;
      //private final static long CLIP_THRESHOLD = 1;
      private static final int STREAM_BUFFER_SIZE = 1024;
  
!     public static JavaSoundAudioClip create(final URLConnection uc) {
!         JavaSoundAudioClip clip = new JavaSoundAudioClip();
!         try {
!             clip.init(uc.getInputStream());
!         } catch (final Exception ignored) {
!             // AudioClip will be no-op if some exception will occurred
!         }
!         return clip;
!     }
! 
!     public static JavaSoundAudioClip create(final URL url) {
!         JavaSoundAudioClip clip = new JavaSoundAudioClip();
!         try {
!             clip.init(url.openStream());
!         } catch (final Exception ignored) {
!             // AudioClip will be no-op if some exception will occurred
!         }
!         return clip;
!     }
! 
!     private void init(InputStream in) throws IOException {
          if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip.<init>");
  
          BufferedInputStream bis = new BufferedInputStream(in, STREAM_BUFFER_SIZE);
          bis.mark(STREAM_BUFFER_SIZE);
          try {
              AudioInputStream as = AudioSystem.getAudioInputStream(bis);
              // load the stream data into memory
              success = loadAudioData(as);
  
*** 118,139 ****
                  success = createSequencer(bis);
              } catch (InvalidMidiDataException e1) {
                  success = false;
              }
          }
-         if (!success) {
-             throw new IOException("Unable to create AudioClip from input stream");
-         }
      }
  
      @Override
      public synchronized void play() {
          startImpl(false);
      }
  
      @Override
      public synchronized void loop() {
          startImpl(true);
      }
  
      private synchronized void startImpl(boolean loop) {
          // hack for some applets that call the start method very rapidly...
--- 140,164 ----
                  success = createSequencer(bis);
              } catch (InvalidMidiDataException e1) {
                  success = false;
              }
          }
      }
  
      @Override
      public synchronized void play() {
+         if (!success) {
+             return;
+         }
          startImpl(false);
      }
  
      @Override
      public synchronized void loop() {
+         if (!success) {
+             return;
+         }
          startImpl(true);
      }
  
      private synchronized void startImpl(boolean loop) {
          // hack for some applets that call the start method very rapidly...
*** 204,213 ****
--- 229,241 ----
          }
      }
  
      @Override
      public synchronized void stop() {
+         if (!success) {
+             return;
+         }
  
          if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip->stop()");
          lastPlayCall = 0;
  
          if (clip != null) {