--- /dev/null	2010-10-25 09:26:58.719482668 +0200
+++ new/src/share/tools/ProjectCreator/DirectoryTreeNode.java	2010-10-28 14:04:18.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+import java.util.*;
+
+public interface DirectoryTreeNode {
+    public boolean isFile();
+    public boolean isDirectory();
+    public String getName();
+    public String getParent();
+    public Iterator getChildren() throws IllegalArgumentException;
+    public int getNumChildren() throws IllegalArgumentException;
+    public DirectoryTreeNode getChild(int i)
+        throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
+}