public static void registerFilter(String name, String filterClass) {
    if (LOG.isInfoEnabled()) LOG.info("Registering new filter " + name);

    filterHashMap.put(name, filterClass);
  }
Register a new filter with the parser. If the filter is already registered, an
IllegalArgumentException will be thrown.
@param name        a name for the filter
@param filterClass fully qualified class name
hbase-client/src/main/java/org/apache/hadoop/hbase/filter/ParseFilter.java