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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.
*/
#include <log4cxx/logstring.h>
#include <log4cxx/filter/levelrangefilter.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/helpers/stringhelper.h>
#include <log4cxx/helpers/optionconverter.h>
#include <log4cxx/level.h>
using namespace log4cxx;
using namespace log4cxx::filter;
using namespace log4cxx::spi;
using namespace log4cxx::helpers;
IMPLEMENT_LOG4CXX_OBJECT(LevelRangeFilter)
LevelRangeFilter::LevelRangeFilter()
: acceptOnMatch(true), levelMin(Level::getAll()), levelMax(Level::getOff())
{
}
void LevelRangeFilter::setOption(const LogString& option,
const LogString& value)
{
if (StringHelper::equalsIgnoreCase(option,
LOG4CXX_STR("LEVELMIN"), LOG4CXX_STR("levelmin")))
{
levelMin = OptionConverter::toLevel(value, levelMin);
}
else if (StringHelper::equalsIgnoreCase(option,
LOG4CXX_STR("LEVELMAX"), LOG4CXX_STR("levelmax")))
{
levelMax = OptionConverter::toLevel(value, levelMax);
}
else if (StringHelper::equalsIgnoreCase(option,
LOG4CXX_STR("ACCEPTONMATCH"), LOG4CXX_STR("acceptonmatch")))
{
acceptOnMatch = OptionConverter::toBoolean(value, acceptOnMatch);
}
}
Filter::FilterDecision LevelRangeFilter::decide(
const spi::LoggingEventPtr& event) const
{
if (levelMin != 0 && !event->getLevel()->isGreaterOrEqual(levelMin))
{
// level of event is less than minimum
return Filter::DENY;
}
if (levelMax != 0 && event->getLevel()->toInt() > levelMax->toInt())
{
// level of event is greater than maximum
// Alas, there is no Level.isGreater method. and using
// a combo of isGreaterOrEqual && !Equal seems worse than
// checking the int values of the level objects..
return Filter::DENY;
}
if (acceptOnMatch)
{
// this filter set up to bypass later filters and always return
// accept if level in range
return Filter::ACCEPT;
}
else
{
// event is ok for this filter; allow later filters to have a look..
return Filter::NEUTRAL;
}
}
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