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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/spi/loggingevent.h>
#include <log4cxx/appenderskeleton.h>
#include <log4cxx/helpers/loglog.h>
#include <log4cxx/helpers/onlyonceerrorhandler.h>
#include <log4cxx/level.h>
#include <log4cxx/helpers/stringhelper.h>
#include <log4cxx/helpers/synchronized.h>
#include <apr_atomic.h>
using namespace log4cxx;
using namespace log4cxx::spi;
using namespace log4cxx::helpers;
IMPLEMENT_LOG4CXX_OBJECT(AppenderSkeleton)
AppenderSkeleton::AppenderSkeleton()
: layout(),
name(),
threshold(Level::getAll()),
errorHandler(new OnlyOnceErrorHandler()),
headFilter(),
tailFilter(),
pool(),
mutex(pool)
{
synchronized sync(mutex);
closed = false;
}
AppenderSkeleton::AppenderSkeleton(const LayoutPtr& layout1)
: layout(layout1),
name(),
threshold(Level::getAll()),
errorHandler(new OnlyOnceErrorHandler()),
headFilter(),
tailFilter(),
pool(),
mutex(pool)
{
synchronized sync(mutex);
closed = false;
}
void AppenderSkeleton::addRef() const {
ObjectImpl::addRef();
}
void AppenderSkeleton::releaseRef() const {
ObjectImpl::releaseRef();
}
void AppenderSkeleton::finalize()
{
// An appender might be closed then garbage collected. There is no
// point in closing twice.
if(closed)
{
return;
}
close();
}
void AppenderSkeleton::addFilter(const spi::FilterPtr& newFilter)
{
synchronized sync(mutex);
if(headFilter == 0)
{
headFilter = tailFilter = newFilter;
}
else
{
tailFilter->setNext(newFilter);
tailFilter = newFilter;
}
}
void AppenderSkeleton::clearFilters()
{
synchronized sync(mutex);
headFilter = tailFilter = 0;
}
bool AppenderSkeleton::isAsSevereAsThreshold(const LevelPtr& level) const
{
return ((level == 0) || level->isGreaterOrEqual(threshold));
}
void AppenderSkeleton::doAppend(const spi::LoggingEventPtr& event, Pool& pool1)
{
synchronized sync(mutex);
if(closed)
{
LogLog::error(((LogString) LOG4CXX_STR("Attempted to append to closed appender named ["))
+ name + LOG4CXX_STR("]."));
return;
}
if(!isAsSevereAsThreshold(event->getLevel()))
{
return;
}
FilterPtr f = headFilter;
while(f != 0)
{
switch(f->decide(event))
{
case Filter::DENY:
return;
case Filter::ACCEPT:
f = 0;
break;
case Filter::NEUTRAL:
f = f->getNext();
}
}
append(event, pool1);
}
void AppenderSkeleton::setErrorHandler(const spi::ErrorHandlerPtr& errorHandler1)
{
synchronized sync(mutex);
if(errorHandler1 == 0)
{
// We do not throw exception here since the cause is probably a
// bad config file.
LogLog::warn(LOG4CXX_STR("You have tried to set a null error-handler."));
}
else
{
this->errorHandler = errorHandler1;
}
}
void AppenderSkeleton::setThreshold(const LevelPtr& threshold1)
{
synchronized sync(mutex);
this->threshold = threshold1;
}
void AppenderSkeleton::setOption(const LogString& option,
const LogString& value)
{
if (StringHelper::equalsIgnoreCase(option,
LOG4CXX_STR("THRESHOLD"), LOG4CXX_STR("threshold")))
{
setThreshold(Level::toLevelLS(value));
}
}
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