Revert "Delete not used Class."

This reverts commit 146bb1b5b1fb874aa8b6b5951ce3e8bde8bfd8bb.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/branches/gsoc@1549483 13f79535-47bb-0310-9956-ffa450edef68