public Class<? extends Masker> getMaskerClass(ClassLoader cl) throws ClassNotFoundException {
    if (maskerClass == null) {
      if (StringUtils.isBlank(masker)) {
        maskerClass = DefaultMasker.class;
      } else {
        maskerClass = cl.loadClass(masker).asSubclass(Masker.class);
      }
    }
    return maskerClass;
  }
Get the masker class.

@param cl the class loader

@return the masker class

@throws ClassNotFoundException if the class can not be loaded
ambari-server/src/main/java/org/apache/ambari/server/view/configuration/ViewConfig.java