minor cleanup for handle-outgoing-messages feature

.gitignore

@@ -14,4 +14,3 @@ findbugs-results
 /thrift
 *.idea/*
 *.iml
-/target/

src/main/java/net/floodlightcontroller/core/OFSwitch.java

@@ -715,7 +715,7 @@ public class OFSwitch implements IOFSwitchBackend {
 		log.trace("Channel: {}, Connected: {}", connections.get(OFAuxId.MAIN).getRemoteInetAddress(), connections.get(OFAuxId.MAIN).isConnected());
 		if (isActive()) {
 			connections.get(OFAuxId.MAIN).write(m);
-			switchManager.handleOutgoingMessage(this, m);			
+			switchManager.handleOutgoingMessage(this, m);
 		} else {
 			log.warn("Attempted to write to switch {} that is SLAVE.", this.getId().toString());
 		}
@@ -747,7 +747,7 @@ public class OFSwitch implements IOFSwitchBackend {
 	public void write(OFMessage m, LogicalOFMessageCategory category) {
 		if (isActive()) {
 			this.getConnection(category).write(m);
-			switchManager.handleOutgoingMessage(this, m);			
+			switchManager.handleOutgoingMessage(this, m);
 		} else {
 			log.warn("Attempted to write to switch {} that is SLAVE.", this.getId().toString());
 		}

src/main/java/net/floodlightcontroller/core/internal/IOFSwitchManager.java

@@ -61,9 +61,8 @@ public interface IOFSwitchManager {
      * Process written messages through the message listeners for the controller
      * @param sw The switch being written to
      * @param m the message
-     * @throws NullPointerException if switch or msg is null
      */
-    public void handleOutgoingMessage(IOFSwitch sw, OFMessage m);    
+    public void handleOutgoingMessage(IOFSwitch sw, OFMessage m);
 
     /**
      * Gets an unmodifiable collection of OFSwitchHandshakeHandlers