/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.log4j.varia;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.spi.LoggingEvent;
/**
This filter drops all logging events.
<p>You can add this filter to the end of a filter chain to
switch from the default "accept all unless instructed otherwise"
filtering behaviour to a "deny all unless instructed otherwise"
behaviour.
@author Ceki Gülcü
@since 0.9.0 */
public class DenyAllFilter extends Filter {
/**
Returns <code>null</code> as there are no options.
@deprecated We now use JavaBeans introspection to configure
components. Options strings are no longer needed.
*/
public
String[] getOptionStrings() {
return null;
}
/**
No options to set.
@deprecated Use the setter method for the option directly instead
of the generic <code>setOption</code> method.
*/
public
void setOption(String key, String value) {
}
/**
Always returns the integer constant {@link Filter#DENY}
regardless of the {@link LoggingEvent} parameter.
@param event The LoggingEvent to filter.
@return Always returns {@link Filter#DENY}.
*/
public
int decide(LoggingEvent event) {
return Filter.DENY;
}
}
|