Add a hasChildren method

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@568214 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/shared/dependency/tree/DependencyNode.java b/src/main/java/org/apache/maven/shared/dependency/tree/DependencyNode.java
index a507f4f..169c9d2 100644
--- a/src/main/java/org/apache/maven/shared/dependency/tree/DependencyNode.java
+++ b/src/main/java/org/apache/maven/shared/dependency/tree/DependencyNode.java
@@ -390,6 +390,11 @@
         return Collections.unmodifiableList( children );
     }
 
+    public boolean hasChildren()
+    {
+        return children.size() > 0;
+    }
+
     /**
      * Gets the state of this dependency node.
      *