Fixed sonar issues - DeleteNicErrorBuilder

Fixed all sonar issues

Change-Id: I5a71e83bce19bff06f6d9d7609c3b959abcda066
Issue-ID: SDC-343
Signed-off-by: mojahidi <mojahidul.islam@amdocs.com>
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeleteNicErrorBuilder.java b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeleteNicErrorBuilder.java
index 3ecf6f1..6a94d81 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeleteNicErrorBuilder.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeleteNicErrorBuilder.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright © 2016-2017 European Support Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.openecomp.sdc.vendorsoftwareproduct.errors;
 
 import org.openecomp.sdc.common.errors.ErrorCategory;
@@ -7,7 +23,11 @@
     private static final String DELETE_NIC_NOT_ALLOWED_MSG =
             "NIC cannot be deleted for VSPs onboarded with HEAT.";
 
-    public static ErrorCode getDeleteNicForHeatOnboardedVspErrorBuilder(){
+    private DeleteNicErrorBuilder(){
+
+    }
+
+    public static ErrorCode getDeleteNicForHeatOnboardedVspErrorBuilder() {
         ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
         builder.withId(VendorSoftwareProductErrorCodes.DELETE_NIC_NOT_ALLOWED);
         builder.withCategory(ErrorCategory.APPLICATION);