class ExtensionFileComparator extends AbstractFileComparator implements Serializable {

    public int compare(final File file1, final File file2) {
        final String suffix1 = FilenameUtils.getExtension(file1.getName());
        final String suffix2 = FilenameUtils.getExtension(file2.getName());
        return caseSensitivity.checkCompareTo(suffix1, suffix2);
    }

    public  ExtensionFileComparator();
    public  ExtensionFileComparator(final IOCase caseSensitivity);

}