broker/Topic: class added

broker/Topic: String Topics replaced by Topic class
broker/Topic#parseTopic: access set to private
broker/SubscriptionsStoreTest: topic tests moved to own class
broker/TopicTest: containsExactly used
broker/TopicTest: TopicAssert class added
broker/TopicTest$TopicAssert#containsToken: method added
broker/TopicTest$TopicAssert#matches: method added

broker/src/main/java/io/moquette/spi/impl/QosPublishHandler.java

@@ -4,6 +4,7 @@ package io.moquette.spi.impl;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import io.moquette.server.netty.NettyUtils;
+import io.moquette.spi.impl.subscriptions.Topic;
 import io.moquette.spi.security.IAuthorizator;
 import io.netty.channel.Channel;
 
@@ -17,7 +18,7 @@ abstract class QosPublishHandler {
         this.m_authorizator = m_authorizator;
     }
 
-    public boolean checkWriteOnTopic(String topic, Channel channel) {
+    public boolean checkWriteOnTopic(Topic topic, Channel channel) {
         String clientID = NettyUtils.clientID(channel);
         String username = NettyUtils.userName(channel);
         if (!m_authorizator.canWrite(topic, username, clientID)) {