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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _LOG4CXX_FILTER_ANDFILTER_H
#define _LOG4CXX_FILTER_ANDFILTER_H
#if defined(_MSC_VER)
#pragma warning ( push )
#pragma warning ( disable: 4231 4251 4275 4786 )
#endif
#include <log4cxx/spi/filter.h>
namespace log4cxx
{
namespace filter
{
/**
* A filter that 'and's the results of any number of contained filters together.
*
* For the filter to process events, all contained filters must return Filter::ACCEPT.
*
* If the contained filters do not return Filter::ACCEPT, Filter::NEUTRAL is returned.
*
* If acceptOnMatch is set to true, Filter::ACCEPT is returned.
* If acceptOnMatch is set to false, Filter::DENY is returned.
*
* Here is an example config that will accept only events that contain BOTH
* a DEBUG level AND 'test' in the message:
*
*<appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
* <filter class="org.apache.log4j.filter.AndFilter">
* <filter class="org.apache.log4j.filter.LevelMatchFilter">
* <param name="levelToMatch" value="DEBUG" />
* <param name="acceptOnMatch" value="true" />
* </filter>
* <filter class="org.apache.log4j.filter.StringMatchFilter">
* <param name="stringToMatch" value="test" />
* <param name="acceptOnMatch" value="true" />
* </filter>
* <param name="acceptOnMatch" value="false"/>
* </filter>
* <filter class="org.apache.log4j.filter.DenyAllFilter"/>
*<layout class="org.apache.log4j.SimpleLayout"/>
*</appender>
*
* To accept all events EXCEPT those events that contain a
* DEBUG level and 'test' in the message:
* change the AndFilter's acceptOnMatch param to false and remove the DenyAllFilter
*
* NOTE: If you are defining a filter that is only relying on logging event content
* (no external or filter-managed state), you could opt instead
* to use an ExpressionFilter with one of the following expressions:
*
* LEVEL == DEBUG && MSG ~= 'test'
* or
* ! ( LEVEL == DEBUG && MSG ~= 'test' )
*
*
*/
class LOG4CXX_EXPORT AndFilter:public log4cxx::spi::Filter
{
private:
log4cxx::spi::FilterPtr headFilter;
log4cxx::spi::FilterPtr tailFilter;
bool acceptOnMatch;
AndFilter(const AndFilter &);
AndFilter & operator=(const AndFilter &);
public:
DECLARE_LOG4CXX_OBJECT(AndFilter)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(log4cxx::spi::Filter)
END_LOG4CXX_CAST_MAP()
AndFilter();
void addFilter(const log4cxx::spi::FilterPtr & filter);
void setAcceptOnMatch(bool acceptOnMatch);
FilterDecision decide(const spi::LoggingEventPtr & event) const;
};
}
}
#if defined(_MSC_VER)
#pragma warning ( pop )
#endif
#endif
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