get the base id uri or system id from where uris will be resolved . concode_field_sep String FEATURE concode_elem_sep XMLReader reader concode_elem_sep InputSource inputSource concode_field_sep InputSource sourceToInputSource concode_elem_sep void setSystemId concode_elem_sep void setInputSource concode_elem_sep void setXMLReader concode_elem_sep XMLReader getXMLReader concode_elem_sep InputSource getInputSource
String function ( ) { if ( inputSource == null ) { return null ; } else { return inputSource . getSystemId ( ) ; } }