Seeking a mechanism for I/O progress monitoring
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Key: XFIRE-966
URL: http://jira.codehaus.org/browse/XFIRE-966
Project: XFire
Issue Type: Wish
Affects Versions: 1.2.5
Environment: MacOSX/Windows XP/Fedora Core w/JDK 1.6
Reporter: Sean Doyle
Assignee: Dan Diephouse
Priority: Minor
Hi..
I'm using XFire for transfer of fairly large (20+MB) images using MTOM.
Everything works pretty well. However - if the bandwidth is limited these
transfers can take some time and I'd like to show in my client some
indication of progress (bytes transferred/% completed..). I'd like to add
some type of callback or I/O filter mechanism which basically passed all the
data through but updated the byte counts. I can't do this on the attachment
boundaries - the attachments are too big for the frequency of feedback I
want to give my users.
I can think of two approaches - I'm not sure that I like either one.
1. I could extend (for the upload case) FileDataSource and have my own
I/O streams that kept track of the byte count.
2. I could add input/output handlers to an instance of
org.codehaus.xfire.client.Client.
The only problem with #1 is that it requires a few classes; #2 I'm not
completely sure how to do (I think I'd look at the LoggingHandler as a
model).
Is there a better way to do this? I don't need extremely fine granularity -
if it updated every hundred K or so that would be adequate for what I need.
Thanks.
Sean
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