RE: [OT] Date format
Your best bet is to use the static factory methods in the DateFormat class.
ie:
Locale locale = getLocale(request); //Use struts Action method to get locale
dateTimeFormat =
ateFormat.getDateTimeInstance( DateFormat.SHORT,DateFormat.SHORT, locale);
dateFormat = DateFormat.getDateInstance( DateFormat.SHORT, locale);
timeFormat = DateFormat.getTimeInstance( DateFormat.SHORT, locale);
Its all in the javadocs you know. :-)
btw
In case you were wondering how the java.util.Date.toString() works, heres
its source code:
public String toString() {
DateFormat formatter = null;
if (simpleFormatter != null) {
formatter = (DateFormat)simpleFormatter.get();
}
if (formatter == null) {
/* No cache yet, or cached formatter GC'd */
formatter = new SimpleDateFormat(EEE MMM dd HH:mm:ss zzz ,
Locale.US);
simpleFormatter = new SoftReference(formatter);
}
synchronized (formatter) {
formatter.setTimeZone(TimeZone.getDefault());
return formatter.format(this);
}
}
/btw
-Original Message-
From: Suresh Addagalla [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 16 January 2003 22:56
To: [EMAIL PROTECTED]
Subject: Date format
Hi,
Please excuse me for the off-topic question, I need this urgently, so
posting it.
How can I get the current date format? (style: DateFormat.SHORT, locale:
Default)
I used:
SimpleDateFormat formatter = new SimpleDateFormat() ;
String format = formatter.toPattern() ;
It gives:
M/d/yy hh:mm a
But what I want is *only* the date part, excluding the time part of it.
Thanks,
Suresh
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RE: [OT] Date format
Hi,
What I am looking for is how to display the *format*, and not how to
display a date in a given format. So, there doesn't seem to be anything
provided with the API.
I need a method like toPattern() of SimpleDateFormat in the DateFormat
class because getDateInstance() returns me DateFormat and not
SimpleDateFormat.
Suresh
-Original Message-
From: Andrew Hill [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 17, 2003 9:11 AM
To: Struts Users Mailing List
Subject: RE: [OT] Date format
Your best bet is to use the static factory methods in the
DateFormat class.
ie:
Locale locale = getLocale(request); //Use struts Action method
to get locale
dateTimeFormat =
ateFormat.getDateTimeInstance(
DateFormat.SHORT,DateFormat.SHORT, locale);
dateFormat = DateFormat.getDateInstance( DateFormat.SHORT, locale);
timeFormat = DateFormat.getTimeInstance( DateFormat.SHORT, locale);
Its all in the javadocs you know. :-)
btw
In case you were wondering how the java.util.Date.toString()
works, heres
its source code:
public String toString() {
DateFormat formatter = null;
if (simpleFormatter != null) {
formatter = (DateFormat)simpleFormatter.get();
}
if (formatter == null) {
/* No cache yet, or cached formatter GC'd */
formatter = new SimpleDateFormat(EEE MMM dd
HH:mm:ss zzz ,
Locale.US);
simpleFormatter = new SoftReference(formatter);
}
synchronized (formatter) {
formatter.setTimeZone(TimeZone.getDefault());
return formatter.format(this);
}
}
/btw
-Original Message-
From: Suresh Addagalla [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 16 January 2003 22:56
To: [EMAIL PROTECTED]
Subject: Date format
Hi,
Please excuse me for the off-topic question, I need this urgently, so
posting it.
How can I get the current date format? (style:
DateFormat.SHORT, locale:
Default)
I used:
SimpleDateFormat formatter = new SimpleDateFormat() ;
String format = formatter.toPattern() ;
It gives:
M/d/yy hh:mm a
But what I want is *only* the date part, excluding the time part of it.
Thanks,
Suresh
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RE: [OT] Date format
Ok. This is wierd. I posted this in the morning - now its 11pm and it only
just arrived. Maybe I should have used snail mail!
Ah of course - its Friday. Guess the email server is taking it easy... ;-)
-Original Message-
From: Andrew Hill [mailto:[EMAIL PROTECTED]]
Sent: Friday, 17 January 2003 11:41
To: Struts Users Mailing List
Subject: RE: [OT] Date format
Your best bet is to use the static factory methods in the DateFormat class.
ie:
Locale locale = getLocale(request); //Use struts Action method to get locale
dateTimeFormat =
ateFormat.getDateTimeInstance( DateFormat.SHORT,DateFormat.SHORT, locale);
dateFormat = DateFormat.getDateInstance( DateFormat.SHORT, locale);
timeFormat = DateFormat.getTimeInstance( DateFormat.SHORT, locale);
Its all in the javadocs you know. :-)
btw
In case you were wondering how the java.util.Date.toString() works, heres
its source code:
public String toString() {
DateFormat formatter = null;
if (simpleFormatter != null) {
formatter = (DateFormat)simpleFormatter.get();
}
if (formatter == null) {
/* No cache yet, or cached formatter GC'd */
formatter = new SimpleDateFormat(EEE MMM dd HH:mm:ss zzz ,
Locale.US);
simpleFormatter = new SoftReference(formatter);
}
synchronized (formatter) {
formatter.setTimeZone(TimeZone.getDefault());
return formatter.format(this);
}
}
/btw
-Original Message-
From: Suresh Addagalla [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 16 January 2003 22:56
To: [EMAIL PROTECTED]
Subject: Date format
Hi,
Please excuse me for the off-topic question, I need this urgently, so
posting it.
How can I get the current date format? (style: DateFormat.SHORT, locale:
Default)
I used:
SimpleDateFormat formatter = new SimpleDateFormat() ;
String format = formatter.toPattern() ;
It gives:
M/d/yy hh:mm a
But what I want is *only* the date part, excluding the time part of it.
Thanks,
Suresh
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To unsubscribe, e-mail:
mailto:[EMAIL PROTECTED]
For additional commands, e-mail:
mailto:[EMAIL PROTECTED]
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RE: [OT] Date format
DateFormat is an abstract class of which SimpleDateFormat is a subclass.
When you call getDateInstance() what you get back is actually a
SimpleDateFormat - however I am under the distinct impression this depends
on the locale. Some locales could in theory give back something different
again or if the implementation of the factory methods changes in a future
JVM maybe it wouldnt use SimpleDateFormat?
You could do an instanceof to check if its a SimpleDateFormat and proceed
from there - of course for those locales that dont use SimpleDateFormat then
AFAIK you wont be able to get the pattern - this is because pattern is a
SimpleDateFormat feature and not a DateFormat thing so if it isnt a
SimpleDateFormat (or subclass of SimpleDateFormat) then there isnt a pattern
you can make use of anyway! (I could be wrong on that)
Out of curiosity I tried the following:
Locale[] locales = Locale.getAvailableLocales();
System.out.println(numLocales= + locales.length);
for(int i=0; i locales.length; i++)
{
Locale locale = locales[i];
DateFormat df = DateFormat.getDateInstance(DateFormat.LONG, locale);
String klass = df.getClass().getName();
if(!(java.text.SimpleDateFormat.equals(klass)))
{
System.out.println(class for locale + locale + is +
df.getClass().getName() );
}
}
It reported 145 available locales on my JVM. ALL of them used
SimpleDateFormat.
(But you cant rely on that - and in general its not considered good practice
to make assumptions about which implementation class you get back for a
factory method that returns a superclass or interface...)
Sorry I cant be of more help :-(
-Original Message-
From: Suresh Addagalla [mailto:[EMAIL PROTECTED]]
Sent: Friday, 17 January 2003 22:42
To: 'Struts Users Mailing List'; [EMAIL PROTECTED]
Subject: RE: [OT] Date format
Hi,
What I am looking for is how to display the *format*, and not how to
display a date in a given format. So, there doesn't seem to be anything
provided with the API.
I need a method like toPattern() of SimpleDateFormat in the DateFormat
class because getDateInstance() returns me DateFormat and not
SimpleDateFormat.
Suresh
-Original Message-
From: Andrew Hill [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 17, 2003 9:11 AM
To: Struts Users Mailing List
Subject: RE: [OT] Date format
Your best bet is to use the static factory methods in the
DateFormat class.
ie:
Locale locale = getLocale(request); //Use struts Action method
to get locale
dateTimeFormat =
ateFormat.getDateTimeInstance(
DateFormat.SHORT,DateFormat.SHORT, locale);
dateFormat = DateFormat.getDateInstance( DateFormat.SHORT, locale);
timeFormat = DateFormat.getTimeInstance( DateFormat.SHORT, locale);
Its all in the javadocs you know. :-)
btw
In case you were wondering how the java.util.Date.toString()
works, heres
its source code:
public String toString() {
DateFormat formatter = null;
if (simpleFormatter != null) {
formatter = (DateFormat)simpleFormatter.get();
}
if (formatter == null) {
/* No cache yet, or cached formatter GC'd */
formatter = new SimpleDateFormat(EEE MMM dd
HH:mm:ss zzz ,
Locale.US);
simpleFormatter = new SoftReference(formatter);
}
synchronized (formatter) {
formatter.setTimeZone(TimeZone.getDefault());
return formatter.format(this);
}
}
/btw
-Original Message-
From: Suresh Addagalla [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 16 January 2003 22:56
To: [EMAIL PROTECTED]
Subject: Date format
Hi,
Please excuse me for the off-topic question, I need this urgently, so
posting it.
How can I get the current date format? (style:
DateFormat.SHORT, locale:
Default)
I used:
SimpleDateFormat formatter = new SimpleDateFormat() ;
String format = formatter.toPatte
rn() ;
It gives:
M/d/yy hh:mm a
But what I want is *only* the date part, excluding the time part of it.
Thanks,
Suresh
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To unsubscribe, e-mail: mailto:[EMAIL PROTECTED]
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Re: [OT] Date format
RE: [OT] Date formatWith SimpleDateFormat you specify the format as a String. You surely should be able to display that string. What I am looking for is how to display the *format*, and not how to display a date in a given format. (snip)
