Feature #224 add message priorities to application

Fix sonarqube issues

src/core/BroadcastMessage.java

@@ -9,30 +9,38 @@ public class BroadcastMessage extends Message {
     /**
      * Creates a new BroadcastMessage.
      *
-     * @param from Who the message is (originally) from
-     * @param id   Message identifier (must be unique for message but
-     *             will be the same for all replicates of the message)
-     * @param size Size of the message (in bytes)
+     * @param from
+     *            Who the message is (originally) from
+     * @param id
+     *            Message identifier (must be unique for message but will be the
+     *            same for all replicates of the message)
+     * @param size
+     *            Size of the message (in bytes)
      */
     public BroadcastMessage(DTNHost from, String id, int size) {
         super(from, null, id, size);
     }
-    
+
     /**
      * Creates a new BroadcastMessage that also has a priority.
      *
-     * @param from Who the message is (originally) from
-     * @param id   Message identifier (must be unique for message but
-     *             will be the same for all replicates of the message)
-     * @param size Size of the message (in bytes)
-     * @param prio Priority of the message 
+     * @param from
+     *            Who the message is (originally) from
+     * @param id
+     *            Message identifier (must be unique for message but will be the
+     *            same for all replicates of the message)
+     * @param size
+     *            Size of the message (in bytes)
+     * @param prio
+     *            Priority of the message
      */
-    public BroadcastMessage(DTNHost from, String id, int size, int prio){
-    	super(from, null, id, size, prio);
+    public BroadcastMessage(DTNHost from, String id, int size, int prio) {
+        super(from, null, id, size, prio);
     }
 
     /**
      * Returns the node this message is originally to
+     * 
      * @return the node this message is originally to
      */
     @Override
@@ -43,7 +51,9 @@ public class BroadcastMessage extends Message {
 
     /**
      * Determines whether the provided node is a final recipient of the message.
-     * @param host Node to check.
+     * 
+     * @param host
+     *            Node to check.
      * @return Whether the node is a final recipient of the message.
      */
     @Override
@@ -52,9 +62,13 @@ public class BroadcastMessage extends Message {
     }
 
     /**
-     * Checks whether a successful sending to the provided DTNHost would mean a completed message delivery.
-     * @param receiver The node that the message is sent to.
-     * @return Whether or not delivery will be completed by a successful send operation.
+     * Checks whether a successful sending to the provided DTNHost would mean a
+     * completed message delivery.
+     * 
+     * @param receiver
+     *            The node that the message is sent to.
+     * @return Whether or not delivery will be completed by a successful send
+     *         operation.
      */
     @Override
     public boolean completesDelivery(DTNHost receiver) {
@@ -63,6 +77,7 @@ public class BroadcastMessage extends Message {
 
     /**
      * Returns a string representation of the message's recipient(s).
+     * 
      * @return a string representation of the message's recipient(s).
      */
     @Override
@@ -72,6 +87,7 @@ public class BroadcastMessage extends Message {
 
     /**
      * Returns a replicate of this message (identical except for the unique id)
+     * 
      * @return A replicate of the message
      */
     @Override
@@ -83,6 +99,7 @@ public class BroadcastMessage extends Message {
 
     /**
      * Gets the message type.
+     * 
      * @return The message type.
      */
     @Override