code: public static String convert(final String text, final List<String> vars) {
  		String[] array = new String[vars.size()];
  		StringBuilder sb = new StringBuilder();
  		convert(sb,text,vars.toArray(array));
  		return sb.toString();
  	}
docs: Simplified Conversion based on typical use of getting AT&T style RESTful Error Messages
  @param text
  @param vars
  @return