public String queryCatalogClassName(){
  String className=System.getProperty(pClassname);
  if (className == null) {
    if (resources == null)     readProperties();
    if (resources == null)     return null;
    try {
      return resources.getString("catalog-class-name");
    }
 catch (    MissingResourceException e) {
      return null;
    }
  }
  return className;
}

public String queryCatalogClassName ( ) { String className = System . getProperty ( pClassname ) ; if ( className == null ) { if ( resources == null ) readProperties ( ) ; if ( resources == null ) return null ; try { return resources . getString ( "catalog-class-name" ) ; } catch ( MissingResourceException e ) { return null ; } } return className ; }
obtain the catalog class name setting from the properties .
