code: static public String createMetaphoneVersionOfKeyword(final String _keyword)
      {
          if (_keyword == null || _keyword.trim().length() == 0)
              return null;
          return new Metaphone().metaphone(_keyword);
      }
docs: <p>
  createMetaphoneVersionOfKeyword.
  </p>
  
  @param _keyword a {@link java.lang.String} object.
  @return a {@link java.lang.String} object.