package railo.runtime.format;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import railo.commons.date.JREDateTimeUtil;
import railo.commons.lang.StringUtil;
import railo.runtime.op.Caster;
public final class DateTimeFormat extends BaseFormat implements Format {
//private final Calendar calendar;
/**
* constructor of the class
* @param locale
*/
public DateTimeFormat(Locale locale) {
super(locale);
//calendar=JREDateTimeUtil.newInstance(locale);
}
/**
* formats a date to a cfml date format (short)
* @param date
* @return formated date
*/
public String format(Date date) {
return format(date,"medium");
}
/**
* formats a date to a cfml date format
* @param date
* @param mask
* @return formated date as string
*/
public String format(Date date,String mask) {
return format(date,mask,null);
}
public String format(Date date,String mask, TimeZone tz) {
Calendar calendar = JREDateTimeUtil.getThreadCalendar(getLocale(),tz);
calendar.setTimeInMillis(date.getTime());
String lcMask=StringUtil.toLowerCase(mask);
if(lcMask.equals("short")) return getAsString(calendar,java.text.DateFormat.SHORT,tz);
else if(lcMask.equals("medium")) return getAsString(calendar,java.text.DateFormat.MEDIUM,tz);
else if(lcMask.equals("long")) return getAsString(calendar,java.text.DateFormat.LONG,tz);
else if(lcMask.equals("full")) return getAsString(calendar,java.text.DateFormat.FULL,tz);
int len=mask.length();
int pos=0;
if(len==0) return "";
StringBuffer formated=new StringBuffer();
for(;pos<len;pos++) {
char c=mask.charAt(pos);
char next=(len>pos+1)?mask.charAt(pos+1):(char)0;
switch(c) {
// d: Day of month. Digits; no leading zero for single-digit days
// dd: Day of month. Digits; leading zero for single-digit days
// ddd: Day of week, abbreviation
// dddd: Day of week. Full name
case 'd':
case 'D':
char next2=(len>pos+2)?mask.charAt(pos+2):(char)0;
char next3=(len>pos+3)?mask.charAt(pos+3):(char)0;
int day=calendar.get(Calendar.DATE);
if(next=='d' || next=='D') {
if(next2=='d' || next2=='D') {
if(next3=='d' || next3=='D') {
formated.append(getDayOfWeekAsString(calendar.get(Calendar.DAY_OF_WEEK)));
pos+=3;
}
else {
formated.append(getDayOfWeekShortAsString(calendar.get(Calendar.DAY_OF_WEEK)));
pos+=2;
}
}
else {
formated.append(day<10?"0"+day:""+day);
pos++;
}
}
else {
formated.append(day);
}
break;
// m: Month. Digits; no leading zero for single-digit months
// mm: Month. Digits; leading zero for single-digit months
// mmm: Month. abbreviation (if appropriate)
// mmmm: Month. Full name
case 'm':
case 'M':
char next_2=(len>pos+2)?mask.charAt(pos+2):(char)0;
char next_3=(len>pos+3)?mask.charAt(pos+3):(char)0;
int month=calendar.get(Calendar.MONTH)+1;
if(next=='m' || next=='M') {
if(next_2=='m' || next_2=='M') {
if(next_3=='m' || next_3=='M') {
formated.append(getMonthAsString(month));
pos+=3;
}
else {
formated.append(getMonthShortAsString(month));
pos+=2;
}
}
else {
formated.append(month<10?"0"+month:""+month);
pos++;
}
}
else {
formated.append(month);
}
break;
// y: Year. Last two digits; no leading zero for years less than 10
// yy: Year. Last two digits; leading zero for years less than 10
// yyyy: Year. Four digits
case 'y':
case 'Y':
char next__2=(len>pos+2)?mask.charAt(pos+2):(char)0;
char next__3=(len>pos+3)?mask.charAt(pos+3):(char)0;
int year4=calendar.get(Calendar.YEAR);
int year2=year4%100;
if(next=='y' || next=='Y') {
if((next__2=='y' || next__2=='Y') && (next__3=='y' || next__3=='Y')) {
formated.append(year4);
pos+=3;
}
else {
formated.append(year2<10?"0"+year2:""+year2);
pos++;
}
}
else {
formated.append(year2);
}
break;
// h: Hours; no leading zero for single-digit hours (12-hour clock)
// hh: Hours; leading zero for single-digit hours. (12-hour clock)
case 'h':
int hour1=calendar.get(Calendar.HOUR_OF_DAY);
if(hour1==0)hour1=12;
if(hour1>12)hour1=hour1-12;
if(next=='h') {
formated.append(hour1<10?"0"+hour1:""+hour1);
pos++;
}
else {
formated.append(hour1);
}
break;
// H: Hours; no leading zero for single-digit hours (24-hour clock)
// HH: Hours; leading zero for single-digit hours (24-hour clock)
case 'H':
int hour2=calendar.get(Calendar.HOUR_OF_DAY);
if(next=='H') {
formated.append(hour2<10?"0"+hour2:""+hour2);
pos++;
}
else {
formated.append(hour2);
}
break;
// n: Minutes; no leading zero for single-digit minutes
// nn: Minutes; leading zero for single-digit minutes
case 'N':
case 'n':
int minute=calendar.get(Calendar.MINUTE);
if(next=='N' || next=='n') {
formated.append(minute<10?"0"+minute:""+minute);
pos++;
}
else {
formated.append(minute);
}
break;
// s: Seconds; no leading zero for single-digit seconds
// ss: Seconds; leading zero for single-digit seconds
case 's':
case 'S':
int second=calendar.get(Calendar.SECOND);
if(next=='S' || next=='s') {
formated.append(second<10?"0"+second:""+second);
pos++;
}
else {
formated.append(second);
}
break;
// l: Milliseconds
case 'l':
case 'L':
char nextnext=(len>pos+2)?mask.charAt(pos+2):(char)0;
String millis=Caster.toString(calendar.get(Calendar.MILLISECOND));
if(next=='L' || next=='l') {
if(millis.length()==1)millis="0"+millis;
pos++;
}
if(nextnext=='L' || nextnext=='l') {
if(millis.length()==2)millis="0"+millis;
pos++;
}
formated.append(millis);
break;
// t: One-character time marker string, such as A or P.
// tt: Multiple-character time marker string, such as AM or PM
case 't':
case 'T':
boolean isAm=calendar.get(Calendar.HOUR_OF_DAY)<12;
if(next=='T' || next=='t') {
formated.append(isAm?"AM":"PM");
pos++;
}
else {
formated.append(isAm?"A":"P");
}
break;
case 'z':
case 'Z':
// count next z and jump to last z (max 6)
int start=pos;
while((pos+1)<len && Character.toLowerCase(mask.charAt(pos+1))=='z'){
pos++;
if(pos-start>4)break;
}
if(pos-start>2)formated.append(tz.getDisplayName(getLocale()));
else formated.append(tz.getID());
break;
// Otherwise
default:
formated.append(c);
}
}
return formated.toString();
}
private String getAsString(Calendar c,int style, TimeZone tz) {
java.text.DateFormat df = java.text.DateFormat.getDateTimeInstance(style,style,getLocale());
df.setTimeZone(tz);
return df.format(c.getTime());
}
}