Method parsePortNumber

src/HBaseClient.java:4625–4634

Parses a TCP port number from a string. @param portnum The string to parse. @return A strictly positive, validated port number. @throws NumberFormatException if the string couldn't be parsed as an integer or if the value was outside of the range allowed for TCP ports.

(final String portnum)

   * integer or if the value was outside of the range allowed for TCP ports.
   */
  private static int parsePortNumber(final String portnum)
    throws NumberFormatException {
    final int port = Integer.parseInt(portnum);
    if (port <= 0 || port > 65535) {
      throw new NumberFormatException(port == 0 ? "port is zero" :
                                      (port < 0 ? "port is negative: "
                                       : "port is too large: ") + port);
    }
    return port;
  }

}