< prev index next >

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

Print this page

        

@@ -33,12 +33,10 @@
 import javax.sound.midi.MetaMessage;
 import javax.sound.midi.ShortMessage;
 import javax.sound.sampled.LineEvent;
 import javax.sound.sampled.LineListener;
 
-
-
 /**
  * EventDispatcher.  Used by various classes in the Java Sound implementation
  * to send events.
  *
  * @author David Rivas

@@ -47,43 +45,39 @@
  */
 final class EventDispatcher implements Runnable {
 
     /**
      * time of inactivity until the auto closing clips
-     * are closed
+     * are closed.
      */
     private static final int AUTO_CLOSE_TIME = 5000;
 
-
     /**
-     * List of events
+     * List of events.
      */
     private final ArrayList<EventInfo> eventQueue = new ArrayList<>();
 
-
     /**
-     * Thread object for this EventDispatcher instance
+     * Thread object for this EventDispatcher instance.
      */
     private Thread thread = null;
 
-
     /*
      * support for auto-closing Clips
      */
-    private final ArrayList<ClipInfo> autoClosingClips = new ArrayList<ClipInfo>();
+    private final ArrayList<ClipInfo> autoClosingClips = new ArrayList<>();
 
     /*
      * support for monitoring data lines
      */
-    private final ArrayList<LineMonitor> lineMonitors = new ArrayList<LineMonitor>();
+    private final ArrayList<LineMonitor> lineMonitors = new ArrayList<>();
 
     /**
      * Approximate interval between calls to LineMonitor.checkLine
      */
     static final int LINE_MONITOR_TIME = 400;
 
-
     /**
      * This start() method starts an event thread if one is not already active.
      */
     synchronized void start() {
 

@@ -94,11 +88,10 @@
                                                     -1,    // priority
                                                     true); // doStart
         }
     }
 
-
     /**
      * Invoked when there is at least one event in the queue.
      * Implement this as a callback to process one event.
      */
     void processEvent(EventInfo eventInfo) {

@@ -151,11 +144,10 @@
         }
 
         Printer.err("Unknown event type: " + eventInfo.getEvent());
     }
 
-
     /**
      * Wait until there is something in the event queue to process.  Then
      * dispatch the event to the listeners.The entire method does not
      * need to be synchronized since this includes taking the event out
      * from the queue and processing the event. We only need to provide

@@ -200,23 +192,22 @@
                 monitorLines();
             }
         }
     }
 
-
     /**
      * Queue the given event in the event queue.
      */
     private synchronized void postEvent(EventInfo eventInfo) {
         eventQueue.add(eventInfo);
         notifyAll();
     }
 
-
     /**
      * A loop to dispatch events.
      */
+    @Override
     public void run() {
 
         while (true) {
             try {
                 dispatchEvents();

@@ -224,11 +215,10 @@
                 if (Printer.err) t.printStackTrace();
             }
         }
     }
 
-
     /**
      * Send audio and MIDI events.
      */
     void sendAudioEvents(Object event, List<Object> listeners) {
         if ((listeners == null)

@@ -241,11 +231,10 @@
 
         EventInfo eventInfo = new EventInfo(event, listeners);
         postEvent(eventInfo);
     }
 
-
     /*
      * go through the list of registered auto-closing
      * Clip instances and close them, if appropriate
      *
      * This method is called in regular intervals

@@ -289,11 +278,11 @@
         }
         return -1;
     }
 
     /**
-     * called from auto-closing clips when one of their open() method is called
+     * called from auto-closing clips when one of their open() method is called.
      */
     void autoClosingClipOpened(AutoClosingClip clip) {
         if (Printer.debug)Printer.debug("> EventDispatcher.autoClosingClipOpened ");
         int index = 0;
         synchronized(autoClosingClips) {

@@ -314,11 +303,11 @@
         }
         if (Printer.debug)Printer.debug("< EventDispatcher.autoClosingClipOpened finished("+autoClosingClips.size()+" clips)");
     }
 
     /**
-     * called from auto-closing clips when their closed() method is called
+     * called from auto-closing clips when their closed() method is called.
      */
     void autoClosingClipClosed(AutoClosingClip clip) {
         // nothing to do -- is removed from arraylist above
     }
 

@@ -338,13 +327,12 @@
             }
         }
         if (Printer.debug)Printer.debug("< EventDispatcher.monitorLines("+lineMonitors.size()+" monitors)");
     }
 
-
     /**
-     * Add this LineMonitor instance to the list of monitors
+     * Add this LineMonitor instance to the list of monitors.
      */
     void addLineMonitor(LineMonitor lm) {
         if (Printer.trace)Printer.trace("> EventDispatcher.addLineMonitor("+lm+")");
         synchronized(lineMonitors) {
             if (lineMonitors.indexOf(lm) >= 0) {

@@ -360,11 +348,11 @@
         }
         if (Printer.debug)Printer.debug("< EventDispatcher.addLineMonitor finished -- now ("+lineMonitors.size()+" monitors)");
     }
 
     /**
-     * Remove this LineMonitor instance from the list of monitors
+     * Remove this LineMonitor instance from the list of monitors.
      */
     void removeLineMonitor(LineMonitor lm) {
         if (Printer.trace)Printer.trace("> EventDispatcher.removeLineMonitor("+lm+")");
         synchronized(lineMonitors) {
             if (lineMonitors.indexOf(lm) < 0) {

@@ -375,12 +363,10 @@
             lineMonitors.remove(lm);
         }
         if (Printer.debug)Printer.debug("< EventDispatcher.removeLineMonitor finished -- now ("+lineMonitors.size()+" monitors)");
     }
 
-    // /////////////////////////////////// INNER CLASSES ////////////////////////////////////////// //
-
     /**
      * Container for an event and a set of listeners to deliver it to.
      */
     private class EventInfo {
 

@@ -411,19 +397,19 @@
 
     } // class EventInfo
 
 
     /**
-     * Container for a clip with its expiration time
+     * Container for a clip with its expiration time.
      */
     private class ClipInfo {
 
         private final AutoClosingClip clip;
         private final long expiration;
 
         /**
-         * Create a new instance of this clip Info class
+         * Create a new instance of this clip Info class.
          */
         ClipInfo(AutoClosingClip clip) {
             this.clip = clip;
             this.expiration = System.currentTimeMillis() + AUTO_CLOSE_TIME;
         }

@@ -438,15 +424,15 @@
     } // class ClipInfo
 
 
     /**
      * Interface that a class that wants to get regular
-     * line monitor events implements
+     * line monitor events implements.
      */
     interface LineMonitor {
         /**
-         * Called by event dispatcher in regular intervals
+         * Called by event dispatcher in regular intervals.
          */
-        public void checkLine();
+        void checkLine();
     }
 
 } // class EventDispatcher
< prev index next >