private URL getRequiredUrlParameter ( String keyword , Map < String , String > parms ) { String urlString = getRequiredParameter ( keyword , parms ) ; try { return new URL ( urlString ) ; } catch ( MalformedURLException e ) { throw new ValidatorProcessUsageException ( "Value '" + urlString + "' for parameter '" + keyword + "' is not a valid URL: " + e . getMessage ( ) ) ; } }
Get the requested parameter from the map . Complain if not found or not a valid URL .