question: public static int uriType ( String uri ) { if ( uri . indexOf ( ':' ) != - 1 ) { return ABS_URI ; } else if ( uri . startsWith ( "/" ) ) { return ROOT_REL_URI ; } else { return NOROOT_REL_URI ; } }
target:  Returns the type of a URI: ABS_URI ROOT_REL_URI NOROOT_REL_URI