File filter removing the All Files option

I am trying to remove the All Files option from the file filter. Someone suggested doing this:
    public FileFilter getAcceptAllFileFilter() {
      return null;
    }but I am unsure how to use it. My filechooser is this:
      final JFileChooser fc = new JFileChooser();
      fc.setFileFilter(new ExtensionFileFilterClass());ExtensionFileFilterClass is used to filter out some extensions and only keep .txt ones. It works except for the All Files part. Can anyone point me in the right direction? Thanks.
Allyson

I think my subject is probably misleading. I WANT to remove the All Files option. I only want to have the *.txt option on the filter. And it won't go away. Can I make it go away? I only want the user to have the ability to pick from *.txt files, not any. Thanks.
Allyson

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Hi I was wondering if anyone has a good way to tackle this problem.
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regards

>
Ralf Zimmerningkat wrote:
> Hello all,
> the file adapter pick up all files in the directory by default.
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> is there any way to process only one file per polling??
>
> regards
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File filter removing the All Files option

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