[UIMA-3752] findbugs - refactoring

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1592849 13f79535-47bb-0310-9956-ffa450edef68
no Jira, comment only

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1592850 13f79535-47bb-0310-9956-ffa450edef68