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/*
* Copyright 2003,2004 The Apache Software Foundation.
*
* Licensed 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_PERFORMANCE_NULL_APPENDER_H
#define _LOG4CXX_PERFORMANCE_NULL_APPENDER_H
#include <log4cxx/config.h>
#include <log4cxx/helpers/tchar.h>
#include <log4cxx/appenderskeleton.h>
namespace log4cxx
{
class Layout;
typedef helpers::ObjectPtrT<Layout> LayoutPtr;
namespace performance
{
class NullAppender;
typedef helpers::ObjectPtrT<NullAppender> NullAppenderPtr;
/**
* A bogus appender which calls the format method of its layout object
* but does not write the result anywhere.
* */
class NullAppender : public AppenderSkeleton
{
public:
StringBuffer sbuf;
DECLARE_LOG4CXX_OBJECT(NullAppender)
BEGIN_LOG4CXX_CAST_MAP()
LOG4CXX_CAST_ENTRY(NullAppender)
LOG4CXX_CAST_ENTRY_CHAIN(AppenderSkeleton)
END_LOG4CXX_CAST_MAP()
NullAppender();
NullAppender(const LayoutPtr& layout);
void close();
void doAppend(const spi::LoggingEventPtr& event);
void append(const spi::LoggingEventPtr& event);
/**
This is a bogus appender but it still uses a layout.
*/
bool requiresLayout() const;
}; // NullAppender
} // namespace performance
}; // namespace log4cxx
#endif //_LOG4CXX_PERFORMANCE_NULL_APPENDER_H
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