/**
* Adds the given file filter.
*
* @param filter file filter to add.
* @throws IllegalStateException if the scanner hasn't finished processing yet (<code>
* isFinished() == true</code>)
*/
public void addFilter(FilenameFilter filter) {
if (isFinished()) {
throw new IllegalStateException(
ResourceBundleFactory.getBundle(BUNDLE_NAME).getString("SCANNER_RUNNING" /* NOI18N */));
}
_filters.addFilter(filter);
}
