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Re: How to send console progress information to gui

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On Thursday, May 2, 2013 9:05:08 PM UTC+2, Daniel Pitts wrote:

> You would start a thread to read the data out of the InputStream (which 
> you need to do anyway to make a Process work as expected). The thread 
> reading the data could send an event anywhere.  If you are updating a UI 
> thread, I suggest the following approach:
> 
> ProgressTrackerThread.run() will read from InputStream, and when newline 
> happens, call "progressUpdated" on a list of Listeners.
> 
> Create an abstract EventQueueProgressListener implementation. 
> progressUpdated in this impl will be final, and will pass a Runnable to 
> the EventQueue, which then calls a different abstract method 
> (handleProgressUpdated maybe?).  That way, you're thread-safe on the EDT 
> for UI updates.

There is SwingWorker for such things.
http://docs.oracle.com/javase/6/docs/api/javax/swing/SwingWorker.html

You still need an additional thread since there are two streams to read from (alternatively use a Selector from NIO).

Kind regards

robert

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How to send console progress information to gui mike <mikaelpetterson@hotmail.com> - 2013-05-02 11:49 -0700
  Re: How to send console progress information to gui Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-05-02 12:05 -0700
    Re: How to send console progress information to gui mike <mikaelpetterson@hotmail.com> - 2013-05-07 04:50 -0700
    Re: How to send console progress information to gui Robert Klemme <shortcutter@googlemail.com> - 2013-05-21 03:22 -0700
  Re: How to send console progress information to gui Arne Vajhøj <arne@vajhoej.dk> - 2013-05-18 19:38 -0400
    Re: How to send console progress information to gui "John B. Matthews" <nospam@nospam.invalid> - 2013-05-19 00:34 -0400
      Re: How to send console progress information to gui Arne Vajhøj <arne@vajhoej.dk> - 2013-06-01 22:09 -0400

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