[jcifs] Preserve lastModified TIME

[Michael B. Allen]

On Wed, 14 Aug 2002 01:49:35 -0400
"Allen, Michael B (RSCH)" <Michael_B_Allen at ml.com> wrote:

> First, please send these messages to the list.
> 
> > -----Original Message-----
> > From:	andy chernow [SMTP:achernow at yahoo.com]
> > Sent:	Wednesday, August 14, 2002 1:43 AM
> > To:	Allen, Michael B (RSCH)
> > Subject:	RE: [jcifs] Preserve lastModified TIME
> > 
> > That worked.  For testing I just modified line 35 in
> > SmbComClose, 
> > from: lastWriteTime = 0xFFFFFFFF; 
> > to:   lastWriteTime = 1009271236L; 
> > Also changed lastWriteTime to a long for the test.  I
> > just got the epoch of a file on my system and stuck it
> > in there for the test, converting it from milli to
> > sec.
> > 
> > An interesting note: Windows, Java and the Linux
> > server all had different ideas about what hour it was.
> >  Ahh, dates and times...
> > 
> > Windows: right-clicked properties on the file
> > Tuesday, December 25, 2001, 5:07:16 AM
> > 
> > Java: new Date(theFile.lastModified())
> > Tue Dec 25 04:07:16 EST 2001
> > 
> > RedHat 7.3: stat theFile
> > Tue Dec 25 09:07:16 2001
> > 
> > I guess I have to fiddle with TimeZones. (yuck) 
> > 
> 	Just do the reverse of ServerMessageBlock.readTime(). There
> 	may even be a writeTime somewhere. Are you a grepper?

Actually, that's a UTIME field which according to the spec is the number of
seconds  since  Jan  1,  1970.  So  you  don't  want  to  do the reverse of
readTime().  I  don't  think  you  have  to  adjust  for the time zone like
readTime()   does.   Perhaps   all   you   need   to   do   is   factor  in
SmbTransport.getSmbTransport(...).server.serverTimeZone. 

Chris,

Here's an undocumented factoid for your docs: If LastModified is 0xFFFFFFFF
the  server  uses  "now". The docs say 0. I don't know if that works but it
probably doesn't or no windows clients do that or I would have used it. 

-- 
A  program should be written to model the concepts of the task it
performs rather than the physical world or a process because this
maximizes  the  potential  for it to be applied to tasks that are
conceptually  similar and more importantly to tasks that have not
yet been conceived.