Implementation of APIMANAGER-1415

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179556 a5903396-d722-0410-b921-86c7d4935375
update a private method name and added some method

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179558 a5903396-d722-0410-b921-86c7d4935375