Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54476
Fix Javadoc.
destination has minimum length of 1, not 2

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1437903 13f79535-47bb-0310-9956-ffa450edef68
Address some TODOs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1437919 13f79535-47bb-0310-9956-ffa450edef68