// Execute action depending on the parameters
BasicWorker worker = null;
if ("UpdateDabWarnings".equalsIgnoreCase(action)) {
Configuration config = Configuration.getConfiguration();
String start = config.getString(null, ConfigurationValueString.LAST_DAB_WARNING);
worker = new UpdateDabWarningWorker(wiki, null, start);
} else if ("UpdateISBNWarnings".equalsIgnoreCase(action)) {
worker = new UpdateISBNWarningWorker(wiki, null, false);
} else if ("ListISBNWarnings".equalsIgnoreCase(action)) {
worker = new UpdateISBNWarningWorker(wiki, null, true);
} else if ("FixCheckWiki".equalsIgnoreCase(action)) {