private void setRegExpProvider( PropertySet pSystemPS ) {
String repStr = pSystemPS.get( Property.jostraca_RegExpProvider );
try {
Class repClass = Class.forName( repStr );
RegExpProvider rep = (RegExpProvider) repClass.newInstance();
RegExp.setRegExpProvider( rep );
}
catch( Exception e ) {
throw new ServiceException( ServiceException.CODE_invalid_regexpprovider, repStr, e );
}