Remember that if you know the basedir of the files you
want to include, you can use fileset's includesfile
attribute. You could even set basedir as a property
first, or read it from another file. In Ant 1.7 it
will be possible to create an arbitrary group of files
without regard to base directory.
HTH,
Matt
--- Antoine Levy-Lambert <[EMAIL PROTECTED]> wrote:
> Hello Graham,
>
> > I want to write a custom Fileset type that reads
> input from a file.
> > I don't want to support any nested elements, I
> just want to be able to
> > do something like this:
> >
> > <libraryset id="myLibraries"
> file="libraries.txt"/>
> >
> > and have a custom class create a fileset based on
> the content of
> > libraries.txt.
> >
> > So, I have two questions:
> >
> > 1. Is it possible for me to do this (i.e. define a
> new DataType and use
> > it in a build file)?
> > [Or do I have to write a custom Task that creates
> the fileset?]
> >
> It is perfectly possible to create a new datatype.
> To make your datatype known to ant, you need to use
> the
> <typedef/> task (see the manual).
>
>
> > 2. If the answer to 1. is 'Yes', where/what should
> I be extending?
> > [Or, if the answer is 'No', what sort of FileSet
> should my task be
> > creating?]
> > org.apache.tools.ant.ProjectComponent?
> > org.apache.tools.ant.types.DataType?
> >
> org.apache.tools.ant.types.AbstractFileSet?
> > org.apache.tools.ant.types.FileSet?
> >
> I am not too sure. I would extend DataType or
> AbstractFileSet.
> Probably rather DataType, since I understand your
> library set is something
> quite specific.
> Note that you might also have to create a special
> "Scanner" class (like
> DirectoryScanner) to make the list of the files/dirs
> included in your
> libraryset.
>
> Antoine
> > Thanks very much,
> >
> > Graham.
> >
>
>
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