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From "Gilles Scokart" <gscok...@gmail.com>
Subject Re: ProjectHelper : parsing from InputStream
Date Thu, 10 Jan 2008 07:50:25 GMT
But If you want to  pass an input stream as parameter, it is to allow to
read build file from an other source than a file.  In those case, there is
not necessarily a File basedir, but it can be something else.

Maybe passing an URL instead of a File would be more flexible?

Gilles

2008/1/10, Jan.Materne@rzf.fin-nrw.de <Jan.Materne@rzf.fin-nrw.de>:
>
> > -----Urspr√ľngliche Nachricht-----
> > Von: Stefan Bodewig [mailto:bodewig@apache.org]
> > Gesendet: Donnerstag, 10. Januar 2008 06:10
> > An: dev@ant.apache.org
> > Betreff: Re: ProjectHelper : parsing from InputStream
> >
> > "Benjamin de Dardel" <benjamin.dedardel@gmail.com> writes:
> >
> > > 1: Should I copy and rewrite ProjectHelperImpl for my personal use
> > > ?
> >
> > You can do that, if you want to 8-)
> >
> > > Or is there another way
> >
> > No, there isn't.  See below.
> >
> > > 2: Do you need my contribution for refactoring helpers to accept
> > > multiple sources ?
> >
> > We've started discussing this more than once but never came to a
> > solution that ended up in svn.  If you want to help us not dropping
> > the ball, you are welcome.
> >
> > The problem is a bit more complex than just allowing a different
> > source.  The main problem are build files that do not specify a
> > basedir attribute on the project tag since Ant then uses the directory
> > holding the build file to resolve relative file references - which
> > certainly doesn't work if it doesn't have a File reference pointing to
> > the input.
>
>
> Could the API require specifying the basedir?
>
>   /**
>    * Parses the given buildfile.
>    * @param is InputStream providing the content of the buildfile
>    * @param basedir The (absolute) basedir for use in the project
>    *        if the parsed buildfile doesnt specify an absolute
>    *        path.
>    */
>   parse(InputStream is, File basedir);
>
>   is(<project>) + basedir="C:/temp" --> c:/temp
>   is(<project basedir=".") + basedir="C:/temp" --> c:/temp
>   is(<project basedir="/") + basedir="C:/temp" --> C:/
>   is(<project basedir="D:">) + basedir="C:/temp" --> D:
>
>   is(<project basedir="D:">) + basedir=null --> D:
>   is(<project basedir=".">) + basedir=null --> exception
>   is(<project basedir="/">) + basedir=null -->
>     on windows: root directory of the system drive
>     on unix   : root directory '/'
>   is(<project>) + basedir=null --> exception
>
>
>
> Jan
>
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