Configuration.java 文件源码

/**
 * Gets the date format used to string'ify SAML's {@link org.joda.time.DateTime} objects.
 * 
 * @return date format used to string'ify date objects
 */
public static DateTimeFormatter getSAMLDateFormatter() {
    if (dateFormatter == null) {
        DateTimeFormatter formatter = DateTimeFormat.forPattern(defaultDateFormat);
        dateFormatter = formatter.withChronology(ISOChronology.getInstanceUTC());
    }

    return dateFormatter;
}