Method parseRateOptions

src/tsd/QueryRpc.java:758–797

Parses the "rate" section of the query string and returns an instance of the RateOptions class that contains the values found. The format of the rate specification is rate[{counter[,#[,#]]}]. @param rate If true, then the query is set as a rate query and the rate specification will be parsed. I

(final boolean rate,
       final String spec)

   * @since 2.0
   */
   static final public RateOptions parseRateOptions(final boolean rate,
       final String spec) {
     if (!rate || spec.length() == 4) {
       return new RateOptions(false, Long.MAX_VALUE,
           RateOptions.DEFAULT_RESET_VALUE);
     }

     if (spec.length() < 6) {
       throw new BadRequestException("Invalid rate options specification: "
           + spec);
     }

     String[] parts = Tags
         .splitString(spec.substring(5, spec.length() - 1), ',');
     if (parts.length < 1 || parts.length > 3) {
       throw new BadRequestException(
           "Incorrect number of values in rate options specification, must be " +
           "counter[,counter max value,reset value], recieved: "
               + parts.length + " parts");
     }

     final boolean counter = parts[0].endsWith("counter");
     try {
       final long max = (parts.length >= 2 && parts[1].length() > 0 ? Long
           .parseLong(parts[1]) : Long.MAX_VALUE);
       try {
         final long reset = (parts.length >= 3 && parts[2].length() > 0 ? Long
             .parseLong(parts[2]) : RateOptions.DEFAULT_RESET_VALUE);
         final boolean drop_counter = parts[0].equals("dropcounter");
         return new RateOptions(counter, max, reset, drop_counter);
       } catch (NumberFormatException e) {
         throw new BadRequestException(
             "Reset value of counter was not a number, received '" + parts[2]
                 + "'");
       }
     } catch (NumberFormatException e) {
       throw new BadRequestException(
           "Max value of counter was not a number, received '" + parts[1] + "'");
     }
   }

  /**
   * Parses a last point query from the URI string