modify FunctionExecuter

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@180265 a5903396-d722-0410-b921-86c7d4935375
modify XmlInputReader

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@180267 a5903396-d722-0410-b921-86c7d4935375
modify InputDataReaderAdapter

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@180268 a5903396-d722-0410-b921-86c7d4935375
modify InputDataHandler

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@180269 a5903396-d722-0410-b921-86c7d4935375
modify DataMapper

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@180270 a5903396-d722-0410-b921-86c7d4935375