Move build method to each control msg, realize createBuilder method

Change-Id: Iff9e60cc5f929e031b0d927e0bdc08fed826e0db

@@ -63,7 +63,7 @@ public final class DefaultLispMapNotify implements LispMapNotify {
 
     @Override
     public Builder createBuilder() {
-        return null;
+        return new DefaultNotifyBuilder();
     }
 
     @Override
@@ -135,7 +135,7 @@ public final class DefaultLispMapNotify implements LispMapNotify {
         }
 
         @Override
-        public LispMessage build() {
+        public LispMapNotify build() {
             return new DefaultLispMapNotify(nonce, keyId, authenticationData,
                     recordCount, mapRecords);
         }

@@ -71,7 +71,7 @@ public final class DefaultLispMapRegister implements LispMapRegister {
 
     @Override
     public Builder createBuilder() {
-        return null;
+        return new DefaultRegisterBuilder();
     }
 
     @Override
@@ -167,7 +167,7 @@ public final class DefaultLispMapRegister implements LispMapRegister {
         }
 
         @Override
-        public LispMessage build() {
+        public LispMapRegister build() {
             return new DefaultLispMapRegister(nonce, keyId, authenticationData,
                     recordCount, mapRecords, proxyMapReply, wantMapNotify);
         }

@@ -58,7 +58,7 @@ public final class DefaultLispMapReply implements LispMapReply {
 
     @Override
     public Builder createBuilder() {
-        return null;
+        return new DefaultReplyBuilder();
     }
 
     @Override
@@ -130,7 +130,7 @@ public final class DefaultLispMapReply implements LispMapReply {
         }
 
         @Override
-        public LispMessage build() {
+        public LispMapReply build() {
             return new DefaultLispMapReply(nonce, recordCount, probe, etr, security);
         }
     }

@@ -83,7 +83,7 @@ public final class DefaultLispMapRequest implements LispMapRequest {
 
     @Override
     public Builder createBuilder() {
-        return null;
+        return new DefaultRequestBuilder();
     }
 
     @Override
@@ -228,7 +228,7 @@ public final class DefaultLispMapRequest implements LispMapRequest {
         }
 
         @Override
-        public LispMessage build() {
+        public LispMapRequest build() {
             return new DefaultLispMapRequest(nonce, recordCount, sourceEid, itrRlocs,
                     eidRecords, authoritative, mapDataPresent, probe, smr, pitr, smrInvoked);
         }

@@ -135,5 +135,12 @@ public interface LispMapNotify extends LispMessage {
          * @return NotifyBuilder object
          */
         NotifyBuilder addRecord(LispMapRecord record);
+
+        /**
+         * Builds LISP map notify message.
+         *
+         * @return LISP map notify message
+         */
+        LispMapNotify build();
     }
 }

@@ -165,5 +165,12 @@ public interface LispMapRegister extends LispMessage {
          * @return RegisterBuilder object
          */
         RegisterBuilder addRecord(LispMapRecord record);
+
+        /**
+         * Builds LISP map register message.
+         *
+         * @return LISP map register message
+         */
+        LispMapRegister build();
     }
 }

@@ -129,5 +129,12 @@ public interface LispMapReply extends LispMessage {
          * @return ReplyBuilder object
          */
         ReplyBuilder withNonce(long nonce);
+
+        /**
+         * Builds LISP map reply message.
+         *
+         * @return LISP map reply message
+         */
+        LispMapReply build();
     }
 }

@@ -224,5 +224,12 @@ public interface LispMapRequest extends LispMessage {
          * @return RequestBuilder object
          */
         RequestBuilder addEidRecord(LispEidRecord record);
+
+        /**
+         * Builds LISP map request message.
+         *
+         * @return LISP map request message
+         */
+        LispMapRequest build();
     }
 }

@@ -49,13 +49,6 @@ public interface LispMessage {
     interface Builder {
 
         /**
-         * Builds LISP message.
-         *
-         * @return LISP message
-         */
-        LispMessage build();
-
-        /**
          * Obtains LISP message type.
          *
          * @return LISP message type