JSP parse String to Date [duplicate]

Question

Possible Duplicate:
Parse any date in Java

I'm trying to parse a Date-String into a Date in my JSP Template. The problem is, that I don't know how the Date-String will look like because it's loaded from different RSS-Feeds which will not always have the same date format.

For example:

<fmt:parseDate value="Tue, 05 Jun 2012 11:45:47" var="date" pattern="EEE, dd MMM yyyy HH:mm:ss" parseLocale="US" />

will only work for a date having the format "Tue, 05 Jun 2012 11:45:47"...

I would need something more dynamic as the date could also be "05.06.2012 11:45:47 GMT" or something similar.

I also tried leaving the pattern out but it didn't help.

Community · Accepted Answer · 2017-05-23 12:21:14Z

1

There are ways to get a positive output. But they can't be reliable for every cent.

For example, if the input date is 2012-06-05 and you have patterns yyyy-MM-dd and yyyy-dd-MM to match with, then resulting month would be 06 i.e. June and 05 i.e. May. These results would raise a confusion in you and you can't decide whether the output is correct in comparison with RSS server date.

There are similar discussions and suggestions available on SO.

Determine if a String is a valid date before parsing
How to convert String to Date without knowing the format?
Parse any date in Java
and may be more ...

edited May 23, 2017 at 12:21

CommunityBot

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answered Jun 6, 2012 at 15:57

Ravinder Reddy

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