Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.kamike.misc; import java.text.ParseException; import java.util.Date; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.commons.lang.time.DateUtils; import org.apache.commons.lang.time.FastDateFormat; /** * * @author Brin */ public class MiscDateUtils { private static final String[] DATE_PATTERN = new String[] { "yyyy-MM", "yyyyMM", "yyyy/MM", "yyyyMMdd", "yyyy-MM-dd", "yyyy/MM/dd", "yyyyMMddHHmmss", "yyyy-MM-dd HH:mm:ss", "yyyy/MM/dd HH:mm:ss" }; public static Date getDate(String value) { if ("".endsWith(value) || value == null) { return new Date(System.currentTimeMillis()); } try { return DateUtils.parseDate(value, DATE_PATTERN); } catch (ParseException ex) { Logger.getLogger(MiscDateUtils.class.getName()).log(Level.SEVERE, null, ex); return new Date(System.currentTimeMillis()); } } public static String getDate(Date now) { return FastDateFormat.getInstance("yyyyMMddHH").format(now); } public static String getDateTime(Date now) { return FastDateFormat.getInstance("yyyy/MM/dd HH:mm:ss").format(now); } }