package jp.agentec.sinaburocast.common.util; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import org.seasar.framework.util.StringUtil; public class BirthdayUtil { /** * 年齢を返す * @param birth_day yyyyMMdd 形式の誕生日 * @return 年齢 * @throws ParseException */ public static int getOld(String birth_day) throws ParseException { if(StringUtil.isBlank(birth_day)) return 0; SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd"); Calendar cal = Calendar.getInstance(); cal.setTime(df.parse(birth_day)); Date now = new Date(); if (cal.getTime().after(now)) { return 0; // マイナスは0 } Calendar nowCal = Calendar.getInstance(); nowCal.setTime(now); String nowYmd = df.format(now); int old = (Integer.parseInt(nowYmd) - Integer.parseInt(birth_day)) / 10000; return old; } public static boolean isLessAgeRestriction(String birth_day) throws ParseException { return (getOld(birth_day) < PropertyUtil.getShort("age.restriction")); } }