001    /**
002     * Implements the Cold Fusion Function lsdateformat
003     */
004    package railo.runtime.functions.international;
005    
006    import java.util.Locale;
007    import java.util.TimeZone;
008    
009    import railo.commons.date.TimeZoneUtil;
010    import railo.commons.lang.StringUtil;
011    import railo.runtime.PageContext;
012    import railo.runtime.exp.PageException;
013    import railo.runtime.ext.function.Function;
014    import railo.runtime.i18n.LocaleFactory;
015    import railo.runtime.op.Caster;
016    import railo.runtime.op.date.DateCaster;
017    import railo.runtime.type.dt.DateTime;
018    
019    public final class LSDateFormat implements Function {
020    
021            private static final long serialVersionUID = 4720003854756942610L;
022            
023            //private static Calendar calendar;
024            public static String call(PageContext pc , Object object) throws PageException {
025                    return _call(pc, object, "medium", pc.getLocale(),pc.getTimeZone());
026            }
027            public static synchronized String call(PageContext pc , Object object, String mask) throws PageException {
028                    return _call(pc, object, mask, pc.getLocale(),pc.getTimeZone());
029            }
030            public static synchronized String call(PageContext pc , Object object, String mask,String strLocale) throws PageException {
031                    return _call(pc, object, mask, LocaleFactory.getLocale(strLocale),pc.getTimeZone());
032            }
033            public static synchronized String call(PageContext pc , Object object, String mask,String strLocale,String strTimezone) throws PageException {
034                    return _call(pc, object, mask, 
035                                    strLocale==null?pc.getLocale():LocaleFactory.getLocale(strLocale),
036                                    strTimezone==null?pc.getTimeZone():TimeZoneUtil.toTimeZone(strTimezone));
037            }
038            
039            
040            private static synchronized String _call(PageContext pc , Object object, String mask,Locale locale,TimeZone tz) throws PageException {
041                    if(StringUtil.isEmpty(object)) return "";
042                    
043                    return new railo.runtime.format.DateFormat(locale).
044                            format(toDateLS(pc ,locale,tz, object),mask,tz);
045            }
046    
047            private static DateTime toDateLS(PageContext pc ,Locale locale, TimeZone timeZone, Object object) throws PageException {
048                    //print.out("oh:"+object);
049                    DateTime res = Caster.toDateTime(locale,Caster.toString(object),timeZone,null,locale.equals(Locale.US));
050                    if(res!=null)return res;
051                    return DateCaster.toDateAdvanced(object,timeZone);
052                    
053                    /*try{
054                            return DateCaster.toDateAdvanced(object,timeZone);
055                    }
056                    catch(PageException pe){
057                            if(object instanceof String) {
058                                    String str=(String) object;
059                                    DateFormat[] formats=FormatUtil.getDateFormats(locale,true);
060                                    for(int i=0;i<formats.length;i++) {
061                                            try {
062                                                    long t = formats[i].parse(str).getTime();
063                                                    return new DateTimeImpl(fixYear(timeZone,t),false);
064                                            } 
065                                            catch (ParseException e) {
066                                                    //
067                                            }
068                                    }
069                            }
070                            throw pe;
071                    }*/
072            }
073            
074            /*private static long fixYear(TimeZone timezone,long time) {  
075                    if (calendar == null)
076                    calendar=JREDateTimeUtil.newInstance();
077            synchronized (calendar) {
078                    calendar.clear();
079                    calendar.setTimeZone(timezone);
080                    calendar.setTimeInMillis(time);         
081                    int year = calendar.get(Calendar.YEAR);
082                if(year<100) {
083                    if(year<21)year=year+=2000;
084                    else year=year+=1900;
085                    calendar.set(Calendar.YEAR,year);
086                    return calendar.getTimeInMillis();
087                }
088            }
089           return time;
090            }*/
091    }