code: public static Logger getLogger(final Class<?> clazz) {
  		es.upv.grycap.coreutils.logging.LogManager.getLogManager().init();
  		return org.slf4j.LoggerFactory.getLogger(requireNonNull(clazz, "A non-null class expected"));
  	}
docs: Uses the method {@link org.slf4j.LoggerFactory#getLogger(Class)} to create a logger named corresponding to the
  class passed as parameter. In addition, this method will configure the logging system, installing the necessary
  bridges to unify logging across the entire application.
  @param clazz - the returned logger will be named after clazz
  @return A logger named corresponding to the class passed as parameter.