It's been around since JDK 1.3.
Gili
Martijn Dashorst wrote:
How is the availability of the Task/Timer things on JDK 1.4?
Martijn
Johan Compagner wrote:
currently Task it is only used by the modificationwatcher
So if that one can be rewritten then we could remove that code yes
Because Thread pools/Schedulers and so on is not a think wicket has to
provide..
johan
Gwyn Evans wrote:
It remains, however, true that the case for the existance of the bug
isn't supported by the discussion at the link that's given as the
reason for it's existance... I'm not convinced it should be there.
I think Gili's also got a good point with regards to the home-grown
Task, as opposed to Timer/TimerTask...
/Gwyn
On 01/09/05, Johan Compagner <[EMAIL PROTECTED]> wrote:
this is not true.
fileinputstream is closed that way.
If you only close the most outer in/out put stream then it doesn't
matter how far you nest
it will all be closed.
Gili wrote:
Are you *absolutely* sure? All too often I see people wrapping
open files in FileInputStream, BufferedInputStream, InputStreamReader,
etc... and then forgetting to close the objects on every single level.
Often I see:
BufferedInputStream in = new BufferedInputStream(new
FileInputStream("foo.xml"));
in.close();
but unless you close off the FileInputStream (which you never
saved a handled to) you never really closed the file.
Until I see some sort of bug report in BugParade I strongly
suspect this is more of a rumor or user-error than an actual bug in
the JDK. Whenever I've ever run into this issue myself (and I have)
it's always turned out to be user-error which I fixed by cleaning up
my code.
Gili
Jesse Sightler wrote:
Actually, I have definitely seen weirdness with deleting files on
Windows on occasion when I was sure that streams were being closed.
I suspect it had to do with some unique circumstances (Java patch
level, windows level, possibly a network drive in the way).
What worked in our case was to simply try the delete more than once.
It didn't even seem to matter if there was a delay between the two
retries.
--
Jess
On 8/31/05, *Gili* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
You might want to revisit some of the classes in this
package. I might
understand Duration which is a immutable Date object, at least
you're
gaining something tangible there. But what is actually gained by
wicket.util.Task when Java already has Timer and TimerTask which
do the
same thing? Also Files.remove(File file) looks like a hack at
best. I
followed the URL mentioned in the method and it looks to me like
these
people were on crack or something. There is no problem deleting
files
under Windows. My application does this on a regular basis. If
you read
the 2nd to last comment on the first page (by tommyxman1) you
will
notice that he was forgetting to close a FileInputStream, and I
suspect
similar problems are responsible for the rest of the posters'
problems.
Our hack seems to encourage a finalizer to run but the
correct behavior
is to properly close the file in the first place. Anyway, you
might want
to drop some of these classes and begin using the built-in Java
equivilents.
Some of the classes in wicket.util have a good usage
(they
provide
helper functions around preexisting Java classes) but others
such as
Task simply reinvent the wheel with no obvious benefit.
Gili
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