Add java doc.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/branches/gsoc@1549141 13f79535-47bb-0310-9956-ffa450edef68
Add Test Class.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/branches/gsoc@1549142 13f79535-47bb-0310-9956-ffa450edef68
Format Code.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/branches/gsoc@1549143 13f79535-47bb-0310-9956-ffa450edef68
Add java doc.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/branches/gsoc@1549144 13f79535-47bb-0310-9956-ffa450edef68
Apply PMD Rules.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/branches/gsoc@1549145 13f79535-47bb-0310-9956-ffa450edef68