How to use

parseInt

method

in

org.apache.commons.lang3.time.FastTimeZone

/**
 * Gets a TimeZone with GMT offsets.  A GMT offset must be either 'Z', or 'UTC', or match
 * <em>(GMT)? hh?(:?mm?)?</em>, where h and m are digits representing hours and minutes.
 *
 * @param pattern The GMT offset
 * @return A TimeZone with offset from GMT or null, if pattern does not match.
 */
public static TimeZone getGmtTimeZone(final String pattern) {
  if ("Z".equals(pattern) || "UTC".equals(pattern)) {
    return GREENWICH;
  }
  final Matcher m = GMT_PATTERN.matcher(pattern);
  if (m.matches()) {
    final int hours = parseInt(m.group(2));
    final int minutes = parseInt(m.group(4));
    if (hours == 0 && minutes == 0) {
      return GREENWICH;
    }
    return new GmtTimeZone(parseSign(m.group(1)), hours, minutes);
  }
  return null;
}

/**
 * Gets a TimeZone with GMT offsets.  A GMT offset must be either 'Z', or 'UTC', or match
 * <em>(GMT)? hh?(:?mm?)?</em>, where h and m are digits representing hours and minutes.
 *
 * @param pattern The GMT offset
 * @return A TimeZone with offset from GMT or null, if pattern does not match.
 */
public static TimeZone getGmtTimeZone(final String pattern) {
  if ("Z".equals(pattern) || "UTC".equals(pattern)) {
    return GREENWICH;
  }
  final Matcher m = GMT_PATTERN.matcher(pattern);
  if (m.matches()) {
    final int hours = parseInt(m.group(2));
    final int minutes = parseInt(m.group(4));
    if (hours == 0 && minutes == 0) {
      return GREENWICH;
    }
    return new GmtTimeZone(parseSign(m.group(1)), hours, minutes);
  }
  return null;
}

/**
 * Gets a TimeZone with GMT offsets.  A GMT offset must be either 'Z', or 'UTC', or match
 * <em>(GMT)? hh?(:?mm?)?</em>, where h and m are digits representing hours and minutes.
 *
 * @param pattern The GMT offset
 * @return A TimeZone with offset from GMT or null, if pattern does not match.
 */
public static TimeZone getGmtTimeZone(final String pattern) {
  if ("Z".equals(pattern) || "UTC".equals(pattern)) {
    return GREENWICH;
  }
  final Matcher m = GMT_PATTERN.matcher(pattern);
  if (m.matches()) {
    final int hours = parseInt(m.group(2));
    final int minutes = parseInt(m.group(4));
    if (hours == 0 && minutes == 0) {
      return GREENWICH;
    }
    return new GmtTimeZone(parseSign(m.group(1)), hours, minutes);
  }
  return null;
}

/**
 * Gets a TimeZone with GMT offsets.  A GMT offset must be either 'Z', or 'UTC', or match
 * <em>(GMT)? hh?(:?mm?)?</em>, where h and m are digits representing hours and minutes.
 *
 * @param pattern The GMT offset
 * @return A TimeZone with offset from GMT or null, if pattern does not match.
 */
public static TimeZone getGmtTimeZone(final String pattern) {
  if ("Z".equals(pattern) || "UTC".equals(pattern)) {
    return GREENWICH;
  }
  final Matcher m = GMT_PATTERN.matcher(pattern);
  if (m.matches()) {
    final int hours = parseInt(m.group(2));
    final int minutes = parseInt(m.group(4));
    if (hours == 0 && minutes == 0) {
      return GREENWICH;
    }
    return new GmtTimeZone(parseSign(m.group(1)), hours, minutes);
  }
  return null;
}