Renamed subscribe and unsubscribe topic to topicFilter

parser_commons/src/main/java/org/dna/mqtt/moquette/proto/messages/SubscribeMessage.java

@@ -27,19 +27,19 @@ public class SubscribeMessage extends MessageIDMessage {
     public static class Couple {
 
         private byte m_qos;
-        private String m_topic;
+        private String m_topicFilter;
 
         public Couple(byte qos, String topic) {
             m_qos = qos;
-            m_topic = topic;
+            m_topicFilter = topic;
         }
         
         public byte getQos() {
             return m_qos;
         }
 
-        public String getTopic() {
-            return m_topic;
+        public String getTopicFilter() {
+            return m_topicFilter;
         }
     }
     private List<Couple> m_subscriptions = new ArrayList<Couple>();

parser_commons/src/main/java/org/dna/mqtt/moquette/proto/messages/UnsubscribeMessage.java

@@ -29,11 +29,11 @@ public class UnsubscribeMessage extends MessageIDMessage {
         m_messageType = AbstractMessage.UNSUBSCRIBE;
     }
 
-    public List<String> topics() {
+    public List<String> topicFilters() {
         return m_types;
     }
 
-    public void addTopic(String type) {
+    public void addTopicFilter(String type) {
         m_types.add(type);
     }
 }