Got it. Currently I don't use any custom codecs.
2013/9/18 Adrien Grand <jpou...@gmail.com>
> Hi,
>
> Since Lucene 4.0 which introduced codecs, it is not possible anymore
> to know based on filename extensions whether files have been created
> by Lucene or not: every codec is free to use any file extension.
>
> On Wed, Sep 18, 2013 at 1:03 PM, Yonghui Zhao <zhaoyong...@gmail.com>
> wrote:
> > In lucene 4.3.0 there is no IndexFileNameFilter.
> >
> > And I find in org.apache.lucene.index.IndexFileNames the index file
> > extensions have only 3 types.
> >
> >
> > public static final String INDEX_EXTENSIONS[] = new String[] {
> > COMPOUND_FILE_EXTENSION,
> > COMPOUND_FILE_ENTRIES_EXTENSION,
> > GEN_EXTENSION,
> > };
> >
> >
> > But there should be many extensions such as: fdt fdx fnm. ...
> >
> > I want to know if there is any elegant way to filter these extensions
> > rather than list all extensions by myself.
>
>
>
> --
> Adrien
>
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