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From Benedikt Ritter <>
Subject Re: [vfs] checkstyle - was Re: svn commit: r1245166 - in /commons/proper/vfs/trunk/core/src/main/java/org/apache/commons/vfs2: provider/ provider/http/ provider/https/ provider/ram/ provider/sftp/ provider/tar/ util/
Date Sun, 19 Feb 2012 08:50:44 GMT

Am 18.02.2012 um 19:06 schrieb Ralph Goers <>:

> On Feb 18, 2012, at 8:54 AM, Luc Maisonobe wrote:
>> Le 18/02/2012 17:27, Gary Gregory a écrit :
>>> On Feb 18, 2012, at 11:00, Oliver Heger <>
>>>> Am 18.02.2012 15:25, schrieb Ralph Goers:
>>>>> On Feb 18, 2012, at 3:20 AM, Luc Maisonobe<>
>>>>>> Le 17/02/2012 23:30, Ralph Goers a écrit :
>>>>>>> On Feb 17, 2012, at 2:18 PM, Gary Gregory wrote:
>>>>>>>>> That seems like way too much effort for very little benefit.
 In fact,
>>>>>>>>> when I created the checkstyle configuration I started
from the one used by
>>>>>>>>> Commons Configuration and then tweaked it to shut up
a bunch of the
>>>>>>>>> "errors" I didn't care about and that seemed to have
been the convention of
>>>>>>>>> the existing code base.  I'd prefer that all of commons
use the same
>>>>>>>>> checkstyle configuration.
>>>>>>>> +1, that would be great, we could put it in the parent POM
and be done with
>>>>>>>> it once and for all.
>>>>>> Are we sure all components use the same style ?
>>>>>> The checkstyle.xml file for [math] origin has evolved its own way,
>>>>>> partly when the mantissa library has been merged. I am pretty sure
it is
>>>>>> not compatible with other ones.
>>>>> That was kind of the point for using a single checkstyle config. Why
should the various projects use different rules?
>>>> For instance, [configuration] has a different coding style than [lang].
>>>> Personally, I do not prefer one format over the other. I am +1 for a
>>>> commons wide checkstyle policy. However, doing the reformatting is
>>>> probably a pain.
>>> We can pick a format that IDEs can perform automatically.
>> The style we use for [math] has an eclipse configuration counterpart at
>> <> which does almost
>> everything automatically. There is only one gltich I was not able to
>> fix: the indent size of the "throws" statement in method signatures
>> which cannot be set to any value on which checkstyle and eclipse could
>> agree. So when we do automatic formatting with eclipse, these lines are
>> flagged by checkstyle as having wrong indentation. I did not check since
>> one or two years, though, so there may be a setting for this now.

I'm +1 as well. A common style would make development easier. I think configuration files
should be downloadable from commons website. Maybe that will spare some "good patch but there
are some style issues..." replies to new contributors. ;-)

> I use IntelliJ so obviously I'd want a style that it can handle.  FWIW, Jetbrains provides
a free license for the full product for open source development or you can use the community

So are you suggesting that everybody should use IntelliJ? I use eclipse and I'm happy with
that (Most of the time ;-)

> Ralph
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