diff --git a/nuvem-api/src/main/java/org/apache/nuvem/cloud/dataService/DataServiceUtil.java b/nuvem-api/src/main/java/org/apache/nuvem/cloud/dataService/DataServiceUtil.java
index c10ae43..3f56b4d 100644
--- a/nuvem-api/src/main/java/org/apache/nuvem/cloud/dataService/DataServiceUtil.java
+++ b/nuvem-api/src/main/java/org/apache/nuvem/cloud/dataService/DataServiceUtil.java
@@ -1,23 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.nuvem.cloud.dataService;
 
 public class DataServiceUtil {
-	
-	public static String createKey(String kind , String id) {		
-		return kind.concat("(").concat(id).concat(")");			
-	}
-	
-	public static String getKind(String key){
-		if(key != null){
-			return key.substring(0, key.indexOf("("));
-		}
-		return null;
-	}
-	
-	public static String getId(String key){
-		if(key != null){
-			return key.substring(key.indexOf("(")+1, key.indexOf(")"));
-		}
-		return null;
-	}
+
+    public static String createKey(String kind, String id) {
+        return kind.concat("(").concat(id).concat(")");
+    }
+
+    public static String getKind(String key) {
+        if (key != null) {
+            return key.substring(0, key.indexOf("("));
+        }
+        return null;
+    }
+
+    public static String getId(String key) {
+        if (key != null) {
+            return key.substring(key.indexOf("(") + 1, key.indexOf(")"));
+        }
+        return null;
+    }
 
 }