diff --git a/archiva-base/archiva-dependency-graph/src/main/java/org/apache/maven/archiva/dependency/graph/GraphListener.java b/archiva-base/archiva-dependency-graph/src/main/java/org/apache/maven/archiva/dependency/graph/GraphListener.java
index fa10c5b72..149ea1d4e 100644
--- a/archiva-base/archiva-dependency-graph/src/main/java/org/apache/maven/archiva/dependency/graph/GraphListener.java
+++ b/archiva-base/archiva-dependency-graph/src/main/java/org/apache/maven/archiva/dependency/graph/GraphListener.java
@@ -1,5 +1,24 @@
 package org.apache.maven.archiva.dependency.graph;
 
+/*
+ * 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.
+ */
+
 /**
  * GraphListener 
  *