Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/floodlightcontroller/util/EventHistoryBaseInfoJSONSerializer.java b/src/main/java/net/floodlightcontroller/util/EventHistoryBaseInfoJSONSerializer.java
index 3916282..0fe4b17 100644
--- a/src/main/java/net/floodlightcontroller/util/EventHistoryBaseInfoJSONSerializer.java
+++ b/src/main/java/net/floodlightcontroller/util/EventHistoryBaseInfoJSONSerializer.java
@@ -1,18 +1,18 @@
 /**
-*    Copyright 2011, Big Switch Networks, Inc. 
-* 
-*    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.
+ *
+ *    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.util;
 
@@ -27,32 +27,31 @@
 
 /**
  * @author subrata
- *
  */
 
-public class EventHistoryBaseInfoJSONSerializer extends 
-                                    JsonSerializer<EventHistoryBaseInfo> {
+public class EventHistoryBaseInfoJSONSerializer extends
+        JsonSerializer<EventHistoryBaseInfo> {
 
- 
+
     /**
      * Performs the serialization of a EventHistory.BaseInfo object
      */
     @Override
     public void serialize(EventHistoryBaseInfo base_info, JsonGenerator jGen,
-                    SerializerProvider serializer) 
-                    throws IOException, JsonProcessingException {
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
         jGen.writeStartObject();
-        jGen.writeNumberField("Idx",    base_info.getIdx());
+        jGen.writeNumberField("Idx", base_info.getIdx());
         Timestamp ts = new Timestamp(base_info.getTime_ms());
         String tsStr = ts.toString();
         while (tsStr.length() < 23) {
             tsStr = tsStr.concat("0");
         }
         jGen.writeStringField("Time", tsStr);
-        jGen.writeStringField("State",  base_info.getState().name());
+        jGen.writeStringField("State", base_info.getState().name());
         String acStr = base_info.getAction().name().toLowerCase();
         // Capitalize the first letter
-        acStr = acStr.substring(0,1).toUpperCase().concat(acStr.substring(1));
+        acStr = acStr.substring(0, 1).toUpperCase().concat(acStr.substring(1));
         jGen.writeStringField("Action", acStr);
         jGen.writeEndObject();
     }