Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java
index 7a8c570..955f0ff 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/DpidDeserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public Dpid deserialize(JsonParser jp,
-			    DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                            DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	Dpid dpid = null;
+        Dpid dpid = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		dpid = new Dpid(value);
-	    }
-	}
-	return dpid;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                dpid = new Dpid(value);
+            }
+        }
+        return dpid;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/DpidSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/DpidSerializer.java
index 4e784f2..68766f9 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/DpidSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/DpidSerializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(Dpid dpid, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", dpid.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", dpid.toString());
+        jGen.writeEndObject();
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java
index 712daa8..de13574 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdDeserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public FlowEntryId deserialize(JsonParser jp,
-				   DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                                   DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	FlowEntryId flowEntryId = null;
+        FlowEntryId flowEntryId = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: " + fieldname + " Value: " + value);
-		flowEntryId = new FlowEntryId(value);
-	    }
-	}
-	return flowEntryId;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: " + fieldname + " Value: " + value);
+                flowEntryId = new FlowEntryId(value);
+            }
+        }
+        return flowEntryId;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdSerializer.java
index 3911a4c..bc91f46 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/FlowEntryIdSerializer.java
@@ -16,8 +16,8 @@
 
     @Override
     public void serialize(FlowEntryId flowEntryId, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeString(flowEntryId.toString());
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeString(flowEntryId.toString());
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java
index d1b91a8..12c5cbd 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/FlowIdDeserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public FlowId deserialize(JsonParser jp,
-			      DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                              DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	FlowId flowId = null;
+        FlowId flowId = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		flowId = new FlowId(value);
-	    }
-	}
-	return flowId;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                flowId = new FlowId(value);
+            }
+        }
+        return flowId;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/FlowIdSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/FlowIdSerializer.java
index b0d020e..37a3e45 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/FlowIdSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/FlowIdSerializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(FlowId flowId, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", flowId.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", flowId.toString());
+        jGen.writeEndObject();
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java
index 2992bfd..f58f746 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv4Deserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public IPv4 deserialize(JsonParser jp,
-			    DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                            DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	IPv4 ipv4 = null;
+        IPv4 ipv4 = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		ipv4 = new IPv4(value);
-	    }
-	}
-	return ipv4;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                ipv4 = new IPv4(value);
+            }
+        }
+        return ipv4;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java
index 68f74c4..da68668 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetDeserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public IPv4Net deserialize(JsonParser jp,
-			       DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                               DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	IPv4Net ipv4Net = null;
+        IPv4Net ipv4Net = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		ipv4Net = new IPv4Net(value);
-	    }
-	}
-	return ipv4Net;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                ipv4Net = new IPv4Net(value);
+            }
+        }
+        return ipv4Net;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetSerializer.java
index 697f846..f44aeb3 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv4NetSerializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(IPv4Net ipv4Net, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", ipv4Net.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", ipv4Net.toString());
+        jGen.writeEndObject();
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv4Serializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv4Serializer.java
index 773fd1d..37a5564 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv4Serializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv4Serializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(IPv4 ipv4, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", ipv4.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", ipv4.toString());
+        jGen.writeEndObject();
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java
index 6627d2a..3b9673a 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv6Deserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public IPv6 deserialize(JsonParser jp,
-			    DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                            DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	IPv6 ipv6 = null;
+        IPv6 ipv6 = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		ipv6 = new IPv6(value);
-	    }
-	}
-	return ipv6;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                ipv6 = new IPv6(value);
+            }
+        }
+        return ipv6;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java
index 08b8018..2b80984 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetDeserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public IPv6Net deserialize(JsonParser jp,
-			       DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                               DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	IPv6Net ipv6Net = null;
+        IPv6Net ipv6Net = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		ipv6Net = new IPv6Net(value);
-	    }
-	}
-	return ipv6Net;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                ipv6Net = new IPv6Net(value);
+            }
+        }
+        return ipv6Net;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetSerializer.java
index 99bd654..690b17f 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv6NetSerializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(IPv6Net ipv6Net, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", ipv6Net.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", ipv6Net.toString());
+        jGen.writeEndObject();
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/IPv6Serializer.java b/src/main/java/net/onrc/onos/core/util/serializers/IPv6Serializer.java
index b165658..ed39fee 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/IPv6Serializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/IPv6Serializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(IPv6 ipv6, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", ipv6.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", ipv6.toString());
+        jGen.writeEndObject();
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
index 3590f67..e78be58 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
@@ -62,7 +62,7 @@
 
     /**
      * Default constructor.
-     *
+     * <p/>
      * Preallocates {@code DEFAULT_PREALLOCATIONS} Kryo instances.
      */
     public KryoFactory() {
@@ -89,7 +89,7 @@
      * @return the created Kryo object.
      */
     public Kryo newKryo() {
-	return newDeleteKryo(null);
+        return newDeleteKryo(null);
     }
 
     /**
@@ -98,34 +98,34 @@
      * @param deleteKryo the object to delete.
      */
     public void deleteKryo(Kryo deleteKryo) {
-	newDeleteKryo(deleteKryo);
+        newDeleteKryo(deleteKryo);
     }
 
     /**
      * Create or delete a Kryo object.
      *
      * @param deleteKryo if null, then allocate and return a new object,
-     * otherwise delete the provided object.
+     *                   otherwise delete the provided object.
      * @return a new Kryo object if needed, otherwise null.
      */
     synchronized private Kryo newDeleteKryo(Kryo deleteKryo) {
-	if (deleteKryo != null) {
-	    // Delete an entry by moving it back to the buffer
-	    kryoList.add(deleteKryo);
-	    return null;
-	} else {
-	    Kryo kryo = null;
-	    if (kryoList.isEmpty()) {
-		// Preallocate
-		for (int i = 0; i < 100; i++) {
-		    kryo = newKryoImpl();
-		    kryoList.add(kryo);
-		}
-	    }
+        if (deleteKryo != null) {
+            // Delete an entry by moving it back to the buffer
+            kryoList.add(deleteKryo);
+            return null;
+        } else {
+            Kryo kryo = null;
+            if (kryoList.isEmpty()) {
+                // Preallocate
+                for (int i = 0; i < 100; i++) {
+                    kryo = newKryoImpl();
+                    kryoList.add(kryo);
+                }
+            }
 
-	    kryo = kryoList.remove(kryoList.size() - 1);
-	    return kryo;
-	}
+            kryo = kryoList.remove(kryoList.size() - 1);
+            return kryo;
+        }
     }
 
     /**
@@ -134,91 +134,91 @@
      * @return the created Kryo object.
      */
     private Kryo newKryoImpl() {
-	Kryo kryo = new Kryo();
-	kryo.setRegistrationRequired(true);
-	//
-	// WARNING: Order of register() calls affects serialized bytes.
-	//  - Do no insert new entry in the middle, always add to the end.
-	//  - Do not simply remove existing entry
-	//
+        Kryo kryo = new Kryo();
+        kryo.setRegistrationRequired(true);
+        //
+        // WARNING: Order of register() calls affects serialized bytes.
+        //  - Do no insert new entry in the middle, always add to the end.
+        //  - Do not simply remove existing entry
+        //
 
-	// kryo.setReferences(false);
-	//
-	kryo.register(ArrayList.class);
+        // kryo.setReferences(false);
+        //
+        kryo.register(ArrayList.class);
 
-	// FlowPath and related classes
-	kryo.register(CallerId.class);
-	kryo.register(DataPath.class);
-	kryo.register(DataPathEndpoints.class);
-	kryo.register(Dpid.class);
-	kryo.register(FlowEntryAction.class);
-	kryo.register(FlowEntryAction.ActionEnqueue.class);
-	kryo.register(FlowEntryAction.ActionOutput.class);
-	kryo.register(FlowEntryAction.ActionSetEthernetAddr.class);
-	kryo.register(FlowEntryAction.ActionSetIpToS.class);
-	kryo.register(FlowEntryAction.ActionSetIPv4Addr.class);
-	kryo.register(FlowEntryAction.ActionSetTcpUdpPort.class);
-	kryo.register(FlowEntryAction.ActionSetVlanId.class);
-	kryo.register(FlowEntryAction.ActionSetVlanPriority.class);
-	kryo.register(FlowEntryAction.ActionStripVlan.class);
-	kryo.register(FlowEntryAction.ActionValues.class);
-	kryo.register(FlowEntryActions.class);
-	kryo.register(FlowEntryErrorState.class);
-	kryo.register(FlowEntryId.class);
-	kryo.register(FlowEntry.class);
-	kryo.register(FlowEntryMatch.class);
-	kryo.register(FlowEntryMatch.Field.class);
-	kryo.register(FlowEntrySwitchState.class);
-	kryo.register(FlowEntryUserState.class);
-	kryo.register(FlowId.class);
-	kryo.register(FlowPath.class);
-	kryo.register(FlowPathFlags.class);
-	kryo.register(FlowPathType.class);
-	kryo.register(FlowPathUserState.class);
-	kryo.register(IPv4.class);
-	kryo.register(IPv4Net.class);
-	kryo.register(IPv6.class);
-	kryo.register(IPv6Net.class);
-	kryo.register(byte[].class);
-	kryo.register(MACAddress.class);
-	kryo.register(Port.class);
-	kryo.register(Switch.class);
-	// kryo.register(SwitchPort.class);
+        // FlowPath and related classes
+        kryo.register(CallerId.class);
+        kryo.register(DataPath.class);
+        kryo.register(DataPathEndpoints.class);
+        kryo.register(Dpid.class);
+        kryo.register(FlowEntryAction.class);
+        kryo.register(FlowEntryAction.ActionEnqueue.class);
+        kryo.register(FlowEntryAction.ActionOutput.class);
+        kryo.register(FlowEntryAction.ActionSetEthernetAddr.class);
+        kryo.register(FlowEntryAction.ActionSetIpToS.class);
+        kryo.register(FlowEntryAction.ActionSetIPv4Addr.class);
+        kryo.register(FlowEntryAction.ActionSetTcpUdpPort.class);
+        kryo.register(FlowEntryAction.ActionSetVlanId.class);
+        kryo.register(FlowEntryAction.ActionSetVlanPriority.class);
+        kryo.register(FlowEntryAction.ActionStripVlan.class);
+        kryo.register(FlowEntryAction.ActionValues.class);
+        kryo.register(FlowEntryActions.class);
+        kryo.register(FlowEntryErrorState.class);
+        kryo.register(FlowEntryId.class);
+        kryo.register(FlowEntry.class);
+        kryo.register(FlowEntryMatch.class);
+        kryo.register(FlowEntryMatch.Field.class);
+        kryo.register(FlowEntrySwitchState.class);
+        kryo.register(FlowEntryUserState.class);
+        kryo.register(FlowId.class);
+        kryo.register(FlowPath.class);
+        kryo.register(FlowPathFlags.class);
+        kryo.register(FlowPathType.class);
+        kryo.register(FlowPathUserState.class);
+        kryo.register(IPv4.class);
+        kryo.register(IPv4Net.class);
+        kryo.register(IPv6.class);
+        kryo.register(IPv6Net.class);
+        kryo.register(byte[].class);
+        kryo.register(MACAddress.class);
+        kryo.register(Port.class);
+        kryo.register(Switch.class);
+        // kryo.register(SwitchPort.class);
 
-	// New data model-related classes
-	kryo.register(DeviceEvent.class);
-	kryo.register(InetAddress.class);
-	kryo.register(LinkEvent.class);
-	kryo.register(PortEvent.class);
-	kryo.register(PortEvent.SwitchPort.class);
-	kryo.register(SwitchEvent.class);
-	kryo.register(TopologyEvent.class);
+        // New data model-related classes
+        kryo.register(DeviceEvent.class);
+        kryo.register(InetAddress.class);
+        kryo.register(LinkEvent.class);
+        kryo.register(PortEvent.class);
+        kryo.register(PortEvent.SwitchPort.class);
+        kryo.register(SwitchEvent.class);
+        kryo.register(TopologyEvent.class);
 
-	// Intent-related classes
-	kryo.register(Path.class);
-	kryo.register(Intent.class);
-	kryo.register(Intent.IntentState.class);
-	kryo.register(PathIntent.class);
-	kryo.register(ShortestPathIntent.class);
-	kryo.register(ConstrainedShortestPathIntent.class);
-	kryo.register(ErrorIntent.class);
-	kryo.register(ErrorIntent.ErrorType.class);
-	kryo.register(IntentOperation.class);
-	kryo.register(IntentOperation.Operator.class);
-	kryo.register(IntentOperationList.class);
-	kryo.register(IntentStateList.class);
+        // Intent-related classes
+        kryo.register(Path.class);
+        kryo.register(Intent.class);
+        kryo.register(Intent.IntentState.class);
+        kryo.register(PathIntent.class);
+        kryo.register(ShortestPathIntent.class);
+        kryo.register(ConstrainedShortestPathIntent.class);
+        kryo.register(ErrorIntent.class);
+        kryo.register(ErrorIntent.ErrorType.class);
+        kryo.register(IntentOperation.class);
+        kryo.register(IntentOperation.Operator.class);
+        kryo.register(IntentOperationList.class);
+        kryo.register(IntentStateList.class);
 
-	// Device-related classes
-	kryo.register(HashSet.class);
-	kryo.register(Inet4Address.class);
-	kryo.register(OnosDevice.class);
-	kryo.register(Date.class);
+        // Device-related classes
+        kryo.register(HashSet.class);
+        kryo.register(Inet4Address.class);
+        kryo.register(OnosDevice.class);
+        kryo.register(Date.class);
 
-	// ProxyArp-related classes
-	kryo.register(BroadcastPacketOutNotification.class);
-	kryo.register(SinglePacketOutNotification.class);
-	kryo.register(ArpReplyNotification.class);
+        // ProxyArp-related classes
+        kryo.register(BroadcastPacketOutNotification.class);
+        kryo.register(SinglePacketOutNotification.class);
+        kryo.register(ArpReplyNotification.class);
 
-	return kryo;
+        return kryo;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java b/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java
index 4ed31a5..45bc336 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/MACAddressDeserializer.java
@@ -21,20 +21,20 @@
 
     @Override
     public MACAddress deserialize(JsonParser jp,
-				  DeserializationContext ctxt)
-	throws IOException, JsonProcessingException {
+                                  DeserializationContext ctxt)
+            throws IOException, JsonProcessingException {
 
-	MACAddress mac = null;
+        MACAddress mac = null;
 
-	jp.nextToken();		// Move to JsonToken.START_OBJECT
-	while (jp.nextToken() != JsonToken.END_OBJECT) {
-	    String fieldname = jp.getCurrentName();
-	    if ("value".equals(fieldname)) {
-		String value = jp.getText();
-		log.debug("Fieldname: {} Value: {}", fieldname, value);
-		mac = MACAddress.valueOf(value);
-	    }
-	}
-	return mac;
+        jp.nextToken();        // Move to JsonToken.START_OBJECT
+        while (jp.nextToken() != JsonToken.END_OBJECT) {
+            String fieldname = jp.getCurrentName();
+            if ("value".equals(fieldname)) {
+                String value = jp.getText();
+                log.debug("Fieldname: {} Value: {}", fieldname, value);
+                mac = MACAddress.valueOf(value);
+            }
+        }
+        return mac;
     }
 }
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/MACAddressSerializer.java b/src/main/java/net/onrc/onos/core/util/serializers/MACAddressSerializer.java
index e57a777..f56ac0a 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/MACAddressSerializer.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/MACAddressSerializer.java
@@ -16,10 +16,10 @@
 
     @Override
     public void serialize(MACAddress mac, JsonGenerator jGen,
-			  SerializerProvider serializer)
-	throws IOException, JsonProcessingException {
-	jGen.writeStartObject();
-	jGen.writeStringField("value", mac.toString());
-	jGen.writeEndObject();
+                          SerializerProvider serializer)
+            throws IOException, JsonProcessingException {
+        jGen.writeStartObject();
+        jGen.writeStringField("value", mac.toString());
+        jGen.writeEndObject();
     }
 }