making stylechecker happy

core/src/main/java/org/everit/json/schema/ObjectSchema.java

@@ -256,7 +256,7 @@ private void testAdditionalProperties(final JSONObject subject) {
 
   private Stream<String> getAdditionalProperties(final JSONObject subject) {
     String[] names = JSONObject.getNames(subject);
-    if(names == null) {
+    if (names == null) {
       return Stream.empty();
     } else {
       return Arrays

tests/src/test/java/org/everit/json/schema/EmptyObjectTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2011 Everit Kft. (http://www.everit.org)
+ *
+ * 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.everit.json.schema;
 
 import org.everit.json.schema.loader.SchemaLoader;