Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/floodlightcontroller/core/util/AppCookie.java b/src/main/java/net/floodlightcontroller/core/util/AppCookie.java
index 210823e..3ec3bd8 100644
--- a/src/main/java/net/floodlightcontroller/core/util/AppCookie.java
+++ b/src/main/java/net/floodlightcontroller/core/util/AppCookie.java
@@ -1,27 +1,26 @@
 /**
-*    Copyright 2011, Big Switch Networks, Inc. 
-*    Originally created by David Erickson, Stanford University
-* 
-*    Licensed under the Apache License, Version 2.0 (the "License"); you may
-*    not use this file except in compliance with the License. You may obtain
-*    a copy of the License at
-*
-*         http://www.apache.org/licenses/LICENSE-2.0
-*
-*    Unless required by applicable law or agreed to in writing, software
-*    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-*    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-*    License for the specific language governing permissions and limitations
-*    under the License.
-**/
+ *    Copyright 2011, Big Switch Networks, Inc.
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *    not use this file except in compliance with the License. You may obtain
+ *    a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *    License for the specific language governing permissions and limitations
+ *    under the License.
+ **/
 
 package net.floodlightcontroller.core.util;
 
-/***
+/**
  * FIXME Need a system for registering/binding applications to a unique ID
- * 
- * @author capveg
  *
+ * @author capveg
  */
 
 public class AppCookie {
@@ -34,21 +33,21 @@
 
     /**
      * Encapsulate an application ID and a user block of stuff into a cookie
-     * 
+     *
      * @param application An ID to identify the application
-     * @param user Some application specific data
+     * @param user        Some application specific data
      * @return a cookie for use in OFFlowMod.setCookie()
      */
-    
+
     static public long makeCookie(int application, int user) {
         return ((application & ((1L << APP_ID_BITS) - 1)) << APP_ID_SHIFT) | user;
     }
-    
+
     static public int extractApp(long cookie) {
-        return (int)((cookie>> APP_ID_SHIFT) & ((1L << APP_ID_BITS) - 1));
+        return (int) ((cookie >> APP_ID_SHIFT) & ((1L << APP_ID_BITS) - 1));
     }
-    
+
     static public int extractUser(long cookie) {
-        return (int)((cookie>> USER_SHIFT) & ((1L << USER_BITS) - 1));
+        return (int) ((cookie >> USER_SHIFT) & ((1L << USER_BITS) - 1));
     }
 }
diff --git a/src/main/java/net/floodlightcontroller/core/util/ListenerDispatcher.java b/src/main/java/net/floodlightcontroller/core/util/ListenerDispatcher.java
index 911284e..f716f4b 100644
--- a/src/main/java/net/floodlightcontroller/core/util/ListenerDispatcher.java
+++ b/src/main/java/net/floodlightcontroller/core/util/ListenerDispatcher.java
@@ -1,19 +1,19 @@
 /**
-*    Copyright 2011, Big Switch Networks, Inc. 
-*    Originally created by David Erickson, Stanford University
-* 
-*    Licensed under the Apache License, Version 2.0 (the "License"); you may
-*    not use this file except in compliance with the License. You may obtain
-*    a copy of the License at
-*
-*         http://www.apache.org/licenses/LICENSE-2.0
-*
-*    Unless required by applicable law or agreed to in writing, software
-*    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-*    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-*    License for the specific language governing permissions and limitations
-*    under the License.
-**/
+ *    Copyright 2011, Big Switch Networks, Inc.
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *    not use this file except in compliance with the License. You may obtain
+ *    a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *    License for the specific language governing permissions and limitations
+ *    under the License.
+ **/
 
 package net.floodlightcontroller.core.util;
 
@@ -28,20 +28,19 @@
 import org.slf4j.LoggerFactory;
 
 /**
- * Maintain lists of listeners ordered by dependency.  
- * 
- * @author readams
+ * Maintain lists of listeners ordered by dependency.
  *
+ * @author readams
  */
 public class ListenerDispatcher<U, T extends IListener<U>> {
     protected final static Logger logger = LoggerFactory.getLogger(ListenerDispatcher.class);
     List<T> listeners = null;
-    
-    private void visit(List<T> newlisteners, U type, HashSet<T> visited, 
+
+    private void visit(List<T> newlisteners, U type, HashSet<T> visited,
                        List<T> ordering, T listener) {
         if (!visited.contains(listener)) {
             visited.add(listener);
-            
+
             for (T i : newlisteners) {
                 if (ispre(type, i, listener)) {
                     visit(newlisteners, type, visited, ordering, i);
@@ -50,24 +49,25 @@
             ordering.add(listener);
         }
     }
-    
+
     private boolean ispre(U type, T l1, T l2) {
         return (l2.isCallbackOrderingPrereq(type, l1.getName()) ||
                 l1.isCallbackOrderingPostreq(type, l2.getName()));
     }
-    
+
     /**
      * Add a listener to the list of listeners
+     *
      * @param listener
      */
-    @LogMessageDoc(level="ERROR",
-                   message="No listener dependency solution: " +
-                           "No listeners without incoming dependencies",
-                   explanation="The set of listeners installed " +
-                   		"have dependencies with no solution",
-                   recommendation="Install a different set of listeners " +
-                   		"or install all dependencies.  This is a defect in " +
-                   		"the controller installation.")
+    @LogMessageDoc(level = "ERROR",
+            message = "No listener dependency solution: " +
+                    "No listeners without incoming dependencies",
+            explanation = "The set of listeners installed " +
+                    "have dependencies with no solution",
+            recommendation = "Install a different set of listeners " +
+                    "or install all dependencies.  This is a defect in " +
+                    "the controller installation.")
     public void addListener(U type, T listener) {
         List<T> newlisteners = new ArrayList<T>();
         if (listeners != null)
@@ -75,7 +75,7 @@
 
         newlisteners.add(listener);
         // Find nodes without outgoing edges
-        List<T> terminals = new ArrayList<T>(); 
+        List<T> terminals = new ArrayList<T>();
         for (T i : newlisteners) {
             boolean isterm = true;
             for (T j : newlisteners) {
@@ -88,18 +88,18 @@
                 terminals.add(i);
             }
         }
-        
+
         if (terminals.size() == 0) {
             logger.error("No listener dependency solution: " +
-            		     "No listeners without incoming dependencies");
+                    "No listeners without incoming dependencies");
             listeners = newlisteners;
             return;
         }
-        
+
         // visit depth-first traversing in the opposite order from
         // the dependencies.  Note we will not generally detect cycles
         HashSet<T> visited = new HashSet<T>();
-        List<T> ordering = new ArrayList<T>(); 
+        List<T> ordering = new ArrayList<T>();
         for (T term : terminals) {
             visit(newlisteners, type, visited, ordering, term);
         }
@@ -108,6 +108,7 @@
 
     /**
      * Remove the given listener
+     *
      * @param listener the listener to remove
      */
     public void removeListener(T listener) {
@@ -118,16 +119,17 @@
             listeners = newlisteners;
         }
     }
-    
+
     /**
      * Clear all listeners
      */
     public void clearListeners() {
         listeners = new ArrayList<T>();
     }
-    
-    /** 
-     * Get the ordered list of listeners ordered by dependencies 
+
+    /**
+     * Get the ordered list of listeners ordered by dependencies
+     *
      * @return
      */
     public List<T> getOrderedListeners() {
diff --git a/src/main/java/net/floodlightcontroller/core/util/MutableInteger.java b/src/main/java/net/floodlightcontroller/core/util/MutableInteger.java
index 0f070fa..6ac3231 100644
--- a/src/main/java/net/floodlightcontroller/core/util/MutableInteger.java
+++ b/src/main/java/net/floodlightcontroller/core/util/MutableInteger.java
@@ -1,34 +1,34 @@
 /**
-*    Copyright 2011, Big Switch Networks, Inc. 
-*    Originally created by David Erickson, Stanford University
-* 
-*    Licensed under the Apache License, Version 2.0 (the "License"); you may
-*    not use this file except in compliance with the License. You may obtain
-*    a copy of the License at
-*
-*         http://www.apache.org/licenses/LICENSE-2.0
-*
-*    Unless required by applicable law or agreed to in writing, software
-*    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-*    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-*    License for the specific language governing permissions and limitations
-*    under the License.
-**/
+ *    Copyright 2011, Big Switch Networks, Inc.
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *    not use this file except in compliance with the License. You may obtain
+ *    a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *    License for the specific language governing permissions and limitations
+ *    under the License.
+ **/
 
 package net.floodlightcontroller.core.util;
 
 public class MutableInteger extends Number {
     private static final long serialVersionUID = 1L;
     int mutableInt;
-    
+
     public MutableInteger(int value) {
         this.mutableInt = value;
     }
-    
+
     public void setValue(int value) {
         this.mutableInt = value;
     }
-    
+
     @Override
     public double doubleValue() {
         return (double) mutableInt;
diff --git a/src/main/java/net/floodlightcontroller/core/util/SingletonTask.java b/src/main/java/net/floodlightcontroller/core/util/SingletonTask.java
index 0e03144..2338acc 100644
--- a/src/main/java/net/floodlightcontroller/core/util/SingletonTask.java
+++ b/src/main/java/net/floodlightcontroller/core/util/SingletonTask.java
@@ -1,19 +1,19 @@
 /**
-*    Copyright 2011, Big Switch Networks, Inc. 
-*    Originally created by David Erickson, Stanford University
-* 
-*    Licensed under the Apache License, Version 2.0 (the "License"); you may
-*    not use this file except in compliance with the License. You may obtain
-*    a copy of the License at
-*
-*         http://www.apache.org/licenses/LICENSE-2.0
-*
-*    Unless required by applicable law or agreed to in writing, software
-*    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-*    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-*    License for the specific language governing permissions and limitations
-*    under the License.
-**/
+ *    Copyright 2011, Big Switch Networks, Inc.
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *    not use this file except in compliance with the License. You may obtain
+ *    a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *    License for the specific language governing permissions and limitations
+ *    under the License.
+ **/
 
 package net.floodlightcontroller.core.util;
 
@@ -27,26 +27,26 @@
 
 /**
  * This allows you to represent a task that should be queued for future execution
- * but where you only want the task to complete once in response to some sequence 
+ * but where you only want the task to complete once in response to some sequence
  * of events.  For example, if you get a change notification and want to reload state,
  * you only want to reload the state once, at the end, and don't want to queue
  * an update for every notification that might come in.
- * 
+ * <p/>
  * The semantics are as follows:
  * * If the task hasn't begun yet, do not queue a new task
  * * If the task has begun, set a bit to restart it after the current task finishes
  */
 public class SingletonTask {
     protected final static Logger logger = LoggerFactory.getLogger(SingletonTask.class);
-            
-    protected static class SingletonTaskContext  {
+
+    protected static class SingletonTaskContext {
         protected boolean taskShouldRun = false;
         protected boolean taskRunning = false;
 
         protected SingletonTaskWorker waitingTask = null;
     }
 
-    protected static class SingletonTaskWorker implements Runnable  {
+    protected static class SingletonTaskWorker implements Runnable {
         SingletonTask parent;
         boolean canceled = false;
         long nextschedule = 0;
@@ -57,9 +57,9 @@
         }
 
         @Override
-        @LogMessageDoc(level="ERROR",
-                       message="Exception while executing task",
-                       recommendation=LogMessageDoc.GENERIC_ACTION)
+        @LogMessageDoc(level = "ERROR",
+                message = "Exception while executing task",
+                recommendation = LogMessageDoc.GENERIC_ACTION)
         public void run() {
             synchronized (parent.context) {
                 if (canceled || !parent.context.taskShouldRun)
@@ -83,9 +83,9 @@
                     if ((nextschedule <= 0 || (nextschedule - now) <= 0)) {
                         parent.ses.execute(this);
                     } else {
-                        parent.ses.schedule(this, 
-                                            nextschedule-now, 
-                                            TimeUnit.NANOSECONDS);
+                        parent.ses.schedule(this,
+                                nextschedule - now,
+                                TimeUnit.NANOSECONDS);
                     }
                 }
             }
@@ -101,11 +101,12 @@
      * Construct a new SingletonTask for the given runnable.  The context
      * is used to manage the state of the task execution and can be shared
      * by more than one instance of the runnable.
+     *
      * @param context
      * @param Task
      */
     public SingletonTask(ScheduledExecutorService ses,
-            Runnable task) {
+                         Runnable task) {
         super();
         this.task = task;
         this.ses = ses;
@@ -117,9 +118,9 @@
      * cancel that task and reschedule it to run at the given time.  If the
      * task is already started, it will cause the task to be rescheduled once
      * it completes to run after delay from the time of reschedule.
-     * 
+     *
      * @param delay the delay in scheduling
-     * @param unit the timeunit of the delay
+     * @param unit  the timeunit of the delay
      */
     public void reschedule(long delay, TimeUnit unit) {
         boolean needQueue = true;
@@ -131,8 +132,8 @@
                     // schedule to restart at the right time
                     if (delay > 0) {
                         long now = System.nanoTime();
-                        long then = 
-                            now + TimeUnit.NANOSECONDS.convert(delay, unit);
+                        long then =
+                                now + TimeUnit.NANOSECONDS.convert(delay, unit);
                         context.waitingTask.nextschedule = then;
                     } else {
                         context.waitingTask.nextschedule = 0;
@@ -148,7 +149,7 @@
             context.taskShouldRun = true;
 
             if (needQueue) {
-                stw = context.waitingTask = new SingletonTaskWorker(this);                    
+                stw = context.waitingTask = new SingletonTaskWorker(this);
             }
         }