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Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound

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On 8/12/2011 12:08 PM, markspace wrote:
> On 8/12/2011 11:19 AM, KevinSimonson wrote:
>> new FileWriter( arguments[ 1])));
>
>> So try running this program and doing various things to the two
>> files. If you can find something that actually generates a
>> <IOException>, please, _please_, let me know what you did!
>
>
> The FileWriter constructor is declared to generate an IOExcpetion. I
> don't have time to mess with it, but it's likely a large variety of
> network file systems could generate an IO error of various types.
>
> While any other error might be swallowed by the PrintWriter, you are
> briefly exposed to the vagaries file system while that constructor is
> running.

As currently implemented, I believe FileNotFoundException is the only
checked exception the FileWriter constructors throw. However, designers
of an API that may be very difficult to change should take a broad view
of what checked exceptions they might need to throw in the future.

Patricia

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Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound KevinSimonson <kvnsmnsn@hotmail.com> - 2011-08-12 08:39 -0700
  Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound Knute Johnson <september@knutejohnson.com> - 2011-08-12 08:54 -0700
  Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound markspace <-@.> - 2011-08-12 08:57 -0700
    Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound KevinSimonson <kvnsmnsn@hotmail.com> - 2011-08-12 11:19 -0700
      Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound markspace <-@.> - 2011-08-12 12:08 -0700
        Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound Patricia Shanahan <pats@acm.org> - 2011-08-12 12:26 -0700
      Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-08-12 19:35 +0000
  Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound Patricia Shanahan <pats@acm.org> - 2011-08-12 12:31 -0700
    Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound KevinSimonson <kvnsmnsn@hotmail.com> - 2011-08-12 13:10 -0700
  Re: Trying to Understand Purpose of a Catch Block for IOException in the Presence of One for FileNotFound Lew <lewbloch@gmail.com> - 2011-08-12 14:27 -0700

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