Java Code Examples for org.joda.time.format.ISODateTimeFormat#basicDate()

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Example 1
Source File: AmforeasUtils.java    From amforeas with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Check if a string has the ISO date format. Uses the ISODateTimeFormat.date() from JodaTime
 * and returns a DateTime instance. The correct format is yyyy-MM-dd or yyyyMMdd
 * @param arg the string to check
 * @return a DateTime instance if the string is in the correct ISO format.
 */
public static DateTime isDate (final String arg) {
    if (arg == null)
        return null;
    DateTime ret = null;
    DateTimeFormatter df;
    if (arg.contains("-")) {
        df = ISODateTimeFormat.date();
    } else {
        df = ISODateTimeFormat.basicDate();
    }

    try {
        ret = df.parseDateTime(arg);
    } catch (IllegalArgumentException e) {
        l.debug("{} is not a valid ISO date", arg);
    }

    return ret;
}