Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java b/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
index 5d70cee..276215b 100644
--- a/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.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.web;
 
@@ -35,24 +35,25 @@
 
 /**
  * Return switch statistics information for all switches
+ *
  * @author readams
  */
 public class AllSwitchStatisticsResource extends SwitchResourceBase {
-    protected final static Logger log = 
-        LoggerFactory.getLogger(AllSwitchStatisticsResource.class);
-    
+    protected final static Logger log =
+            LoggerFactory.getLogger(AllSwitchStatisticsResource.class);
+
     @Get("json")
-    public Map<String, Object> retrieve() {    
+    public Map<String, Object> retrieve() {
         String statType = (String) getRequestAttributes().get("statType");
         return retrieveInternal(statType);
     }
-        
+
     public Map<String, Object> retrieveInternal(String statType) {
         HashMap<String, Object> model = new HashMap<String, Object>();
 
         OFStatisticsType type = null;
         REQUESTTYPE rType = null;
-        
+
         if (statType.equals("port")) {
             type = OFStatisticsType.PORT;
             rType = REQUESTTYPE.OFSTATS;
@@ -76,10 +77,10 @@
         } else {
             return model;
         }
-        
-        IFloodlightProviderService floodlightProvider = 
-                (IFloodlightProviderService)getContext().getAttributes().
-                    get(IFloodlightProviderService.class.getCanonicalName());        
+
+        IFloodlightProviderService floodlightProvider =
+                (IFloodlightProviderService) getContext().getAttributes().
+                        get(IFloodlightProviderService.class.getCanonicalName());
         Long[] switchDpids = floodlightProvider.getSwitches().keySet().toArray(new Long[0]);
         List<GetConcurrentStatsThread> activeThreads = new ArrayList<GetConcurrentStatsThread>(switchDpids.length);
         List<GetConcurrentStatsThread> pendingRemovalThreads = new ArrayList<GetConcurrentStatsThread>();
@@ -89,7 +90,7 @@
             activeThreads.add(t);
             t.start();
         }
-        
+
         // Join all the threads after the timeout. Set a hard timeout
         // of 12 seconds for the threads to finish. If the thread has not
         // finished the switch has not replied yet and therefore we won't 
@@ -105,19 +106,19 @@
                     pendingRemovalThreads.add(curThread);
                 }
             }
-            
+
             // remove the threads that have completed the queries to the switches
             for (GetConcurrentStatsThread curThread : pendingRemovalThreads) {
                 activeThreads.remove(curThread);
             }
             // clear the list so we don't try to double remove them
             pendingRemovalThreads.clear();
-            
+
             // if we are done finish early so we don't always get the worst case
             if (activeThreads.isEmpty()) {
                 break;
             }
-            
+
             // sleep for 1 s here
             try {
                 Thread.sleep(1000);
@@ -125,17 +126,17 @@
                 log.error("Interrupted while waiting for statistics", e);
             }
         }
-        
+
         return model;
     }
-    
+
     protected class GetConcurrentStatsThread extends Thread {
         private List<OFStatistics> switchReply;
         private long switchId;
         private OFStatisticsType statType;
         private REQUESTTYPE requestType;
         private OFFeaturesReply featuresReply;
-        
+
         public GetConcurrentStatsThread(long switchId, REQUESTTYPE requestType, OFStatisticsType statType) {
             this.switchId = switchId;
             this.requestType = requestType;
@@ -143,19 +144,19 @@
             this.switchReply = null;
             this.featuresReply = null;
         }
-        
+
         public List<OFStatistics> getStatisticsReply() {
             return switchReply;
         }
-        
+
         public OFFeaturesReply getFeaturesReply() {
             return featuresReply;
         }
-        
+
         public long getSwitchId() {
             return switchId;
         }
-        
+
         public void run() {
             if ((requestType == REQUESTTYPE.OFSTATS) && (statType != null)) {
                 switchReply = getSwitchStatistics(switchId, statType);