public Vector resolveAllSystem ( String systemId ) throws MalformedURLException , IOException { Vector resolutions = new Vector ( ) ; // If there are SYSTEM entries in this catalog, start with them if ( systemId != null ) { Vector localResolutions = resolveAllLocalSystem ( systemId ) ; resolutions = appendVector ( resolutions , localResolutions ) ; } // Then look in the subordinate catalogs Vector subResolutions = resolveAllSubordinateCatalogs ( SYSTEM , null , null , systemId ) ; resolutions = appendVector ( resolutions , subResolutions ) ; if ( resolutions . size ( ) > 0 ) { return resolutions ; } else { return null ; } }
Return the applicable SYSTEM system identifiers .