Java Date Format Conversion Tool

Package COM. ace. backOffice. utils; import Java. text. parseexception; import Java. text. simpledateformat; import Java. util. calendar; import Java. util. date; import javax. XML. datatype. datatypeconfigurationexception; import javax. XML. datatype. datatypefactory; import javax. XML. datatype. xmlgregoriancalendar; public class dateutils {/*** converts a specified string to a date ** @ Param date * string date string * @ Param datepattern * string Date Format * @ Return date */public static Java. util. date getformatdate (string date, string datepattern) {simpledateformat SD = new simpledateformat (datepattern); Return SD. parse (date, new Java. text. parseposition (0 ));} /*** convert a specified date object to a formatted string ** @ Param date * Date XML date object * @ Param datepattern * string date format * @ return string */public static string getformattedstring (date, string datepattern) {simpledateforma T SD = new simpledateformat (datepattern); Return SD. format (date );} /*** convert a specified XML date object to a formatted string ** @ Param xmldate * Date XML date object * @ Param datepattern * string date format * @ return string */public static string getformattedstring (xmlgregoriancalendar xmldate, string datepattern) {simpledateformat SD = new simpledateformat (datepattern); Calendar calendar = xmldate. togregoriancalendar (); Return SD. format (calendar. Gettime ());} /*** convert a specified XML date object to a date object ** @ Param xmldate * Date XML date object * @ Param datepattern * string date format * @ return date */public static date xmlgregoriancalendar2date (xmlgregoriancalendar xmldate) {return xmldate. togregoriancalendar (). gettime ();} public static string getthisyear () {// obtain the current date calendar cldcurrent = calendar. getinstance (); // get year month day string stryear = string. valueof (cldcurrent. get (calendar. Year); Return stryear;} public static xmlgregoriancalendar convert2xmlcalendar (calendar) {try {datatypefactory DTF = datatypefactory. newinstance (); Return DTF. newxmlgregoriancalendar (calendar. get (calendar. year), calendar. get (calendar. month) + 1, calendar. get (calendar. day_of_month), calendar. get (calendar. hour), calendar. get (calendar. minute), calendar. get (calendar. second), calendar. get (calendar. mill Isecond), calendar. get (calendar. zone_offset)/(1000*60);} catch (datatypeconfigurationexception e) {e. printstacktrace (); return NULL ;}// obtain public static Java on the current day. SQL. timestamp getnowtime (string dateformat) {date now = new date (); simpledateformat dateformat = new simpledateformat (dateformat); // you can easily modify the Date Format String datestring = dateformat. format (now); simpledateformat SD = new simpledateformat (dateforma T); Date dateformt = SD. parse (datestring, new Java. text. parseposition (0); Java. SQL. timestamp datetime = new Java. SQL. timestamp (dateformt. gettime (); Return datetime; // return hehe;} // obtain public static Java at the specified time. SQL. timestamp getnownewtime (string date, string dateformat) {// Date Now = new date (); simpledateformat dateformat = new simpledateformat (dateformat); // you can easily modify the date format dateformat. parse (date, new Java. Text. parseposition (0); // string datestring = dateformat. format (date); Date dateformt = dateformat. parse (date, new Java. text. parseposition (0); Java. SQL. timestamp datetime = new Java. SQL. timestamp (dateformt. gettime (); Return datetime; // return hehe;}/*** @ Param contains yyyy-mm-dd't'hh: mm: Ss. time conversion in SSS format. * @ return */public static string gettformatstring (string tdate) {simpledateformat format1 = new Si Mpledateformat ("yyyy-mm-dd't'hh: mm: Ss. SSS "); string STR =" "; try {Java. util. date = format1.parse (tdate); simpledateformat format2 = new simpledateformat ("yyyy-mm-dd hh: mm: SS"); STR = format2.format (date );} catch (parseexception e) {e. printstacktrace ();} return STR;} public static void main (string [] ARGs) {simpledateformat SD = new simpledateformat ("yyyymmdd"); string date = "20110202"; system. out. PR Intln (SD. parse (date, new Java. text. parseposition (0); system. out. println (getbefore2hourdate ();} // obtain the first two hours of the current time. Public static string getbefore2hourdate () {simpledateformat df = new simpledateformat ("yyyy-mm-dd't'hh: mm: SS"); Calendar c = calendar. getinstance (); C. add (calendar. hour_of_day,-2); // Add 3 hours to return DF. format (C. gettime ();}/***** @ Param time1 current time * @ Param time2 comparison time * @ return if time1 is greater than time2 gap minutes, true is returned; */public static Boolean comparedatetime (date time1, date time2, int gap) {return time1.gettime ()-time2.gettime ()> GaP * 60*1000 ;}}