DateUtils.java 文件源码

/**
 * String to period.
 * 
 * @param s the s
 * @return the period
 * @throws MotuConverterException the motu converter exception
 */
public static Period stringToPeriod(String s) throws MotuConverterException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("stringToPeriod(String) - entering");
    }

    Period period = null;

    StringBuffer stringBuffer = new StringBuffer();
    for (PeriodFormatter periodFormatter : DateUtils.PERIOD_FORMATTERS.values()) {
        try {
            period = periodFormatter.parsePeriod(s);
        } catch (IllegalArgumentException e) {
            // LOG.error("stringToPeriod(String)", e);

            stringBuffer.append(e.getMessage());
            stringBuffer.append("\n");
        }

        if (period != null) {
            break;
        }
    }

    if (period == null) {
        throw new MotuConverterException(
                String.format("Cannot convert '%s' to Period. Format '%s' is not valid.\nAcceptable format are '%s'",
                              s,
                              stringBuffer.toString(),
                              DateUtils.PERIOD_FORMATTERS.keySet().toString()));
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("stringToPeriod(String) - exiting");
    }
    return period;
}