* (non-Javadoc)
*
* @see org.apache.log4j.FileAppender#setQWForFiles(java.io.Writer)
*/
protected final void setQWForFiles(final Writer writer) {
final SynchronizedCountingQuietWriter countingQuietWriter = new SynchronizedCountingQuietWriter(writer, super.getErrorHandler());
this.getProperties().setCountingQuietWriter(countingQuietWriter);
super.qw = countingQuietWriter;
}