URI catalogURI = new URI(args[0]);
InvCatalogFactory factory = new InvCatalogFactory("default", true);
InvCatalogImpl catalog = (InvCatalogImpl) factory.readXML( catalogURI);
StringBuilder buff = new StringBuilder();
if (!catalog.check( buff)) {
logger.error("Invalid catalog <'{}'> \n {}",
catalogURI, buff.toString());
} else {
logger.info("Good, no error found!");
}