Will Ant start using the code if we do take ownership of it? -- dIon Gillard, Multitask Consulting Blog: http://www.freeroller.net/page/dion/Weblog Work: http://www.multitask.com.au
[EMAIL PROTECTED] wrote on 18/12/2002 01:24:33 AM: > here some pittfalls of the Sun's date utilitites that I encoutnered. > a) The *parser* in the SimpleDateFormat is not thread safe. > b) The ParseException acts differently in every version since JDK1.1.7 > (expliecetly an unusable errorOffset). > c) It allows negative months and other components, thus fails with > ISO8601 abbreviated dates (e.g. --01T00:00Z meaning midnight of > every first day in a month) > d) many more (I had a lot of workarounds to get my application > do proper parsing in a controlled input field - thats why JDK1.4 > no allows qualified input fields with REs!) > > I took a quick look at Joda's date parser and saw it has its own > engine. > > I believe the commons one should lean onto the syntax of the java's, > such that should allow it as a bug free plug-in replacement of Sun's. > > What do others think? I need to take a look at Ant's code. Maybe > I'll take the leap and start a working bug free plug-in replacement > of Sun's SimpleDateFormat if no one has taken the lead... > > Cheers, > Christoph > > > Sean Schofield wrote: > >> > >> > >>> Please be warned, that Date is a fragile/controversial issue, since > >>> 1. The java SimpleDateFormatter is not thread safe > >>> 2. Dates have many locale specific representation. > >>> > >> > >> Indeed, Sun's dates are pretty rubbish. Joda has a 0.8 release, which has > >> thread safe formatting including time zone handling and locale > >> handling. It > >> still needs more work though. > >> > >> Stephen > >> > >> > >> > > What is not thread safe about SimpleDateFormatter? If this is true that > > seems kind of serious! (I will take a look at the source tonight but it > > might help if you gave me a hint) > > > > Anyways, this thread safety business sounds like something that might be > > useful to a lot of programmers out there. I will take a look at what > > you've done in joda and see if I can't figure it out. Maybe we could > > make a thread-safe version of SimpleDate Formatter be part of the > > proposed TimeUtils/DateUtils/whatever in commons-lang? > > > > Thoughts? > > > > - sean > > > > > > -- > > To unsubscribe, e-mail: > > <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: > > <mailto:[EMAIL PROTECTED]> > > > > > > -- > :) Christoph Reck > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > > ForwardSourceID:NT0009A73A -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>