Trim whitespaces before and after .cfg file arguments.

Change-Id: Iaf165b4e289075376deab806d3c7c15169e3dca7

@@ -149,7 +149,7 @@ public class ReactiveForwarding {
         try {
             String flag = (String) properties.get(propertyName);
             if (flag != null) {
-                enabled = flag.equals("true");
+                enabled = flag.trim().equals("true");
             }
         } catch (ClassCastException e) {
             // No propertyName defined.

@@ -158,13 +158,13 @@ public class DefaultTopologyProvider extends AbstractProvider
         int newMaxEvents, newMaxBatchMs, newMaxIdleMs;
         try {
             String s = (String) properties.get("maxEvents");
-            newMaxEvents = isNullOrEmpty(s) ? maxEvents : Integer.parseInt(s);
+            newMaxEvents = isNullOrEmpty(s) ? maxEvents : Integer.parseInt(s.trim());
 
             s = (String) properties.get("maxBatchMs");
-            newMaxBatchMs = isNullOrEmpty(s) ? maxBatchMs : Integer.parseInt(s);
+            newMaxBatchMs = isNullOrEmpty(s) ? maxBatchMs : Integer.parseInt(s.trim());
 
             s = (String) properties.get("maxIdleMs");
-            newMaxIdleMs = isNullOrEmpty(s) ? maxIdleMs : Integer.parseInt(s);
+            newMaxIdleMs = isNullOrEmpty(s) ? maxIdleMs : Integer.parseInt(s.trim());
 
         } catch (Exception e) {
             newMaxEvents = DEFAULT_MAX_EVENTS;

@@ -147,9 +147,9 @@ public class NullLinkProvider extends AbstractProvider implements LinkProvider {
         int newRate;
         try {
             String s = (String) properties.get("flicker");
-            flickSetting = isNullOrEmpty(s) ? flicker : Boolean.valueOf(s);
+            flickSetting = isNullOrEmpty(s) ? flicker : Boolean.valueOf(s.trim());
             s = (String) properties.get("eventRate");
-            newRate = isNullOrEmpty(s) ? eventRate : Integer.valueOf(s);
+            newRate = isNullOrEmpty(s) ? eventRate : Integer.valueOf(s.trim());
         } catch (Exception e) {
             log.warn(e.getMessage());
             flickSetting = flicker;

@@ -122,7 +122,7 @@ public class NullPacketProvider extends AbstractProvider implements
         int newRate;
         try {
             String s = String.valueOf(properties.get("pktRate"));
-            newRate = isNullOrEmpty(s) ? pktRate : Integer.valueOf(s);
+            newRate = isNullOrEmpty(s) ? pktRate : Integer.valueOf(s.trim());
         } catch (Exception e) {
             log.warn(e.getMessage());
             newRate = pktRate;