113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/*
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* Copyright 2003,2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LOG4CXX_VARIA_FALLBACK_ERROR_HANDLER_H
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#define _LOG4CXX_VARIA_FALLBACK_ERROR_HANDLER_H
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#include <log4cxx/spi/errorhandler.h>
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#include <log4cxx/helpers/objectimpl.h>
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#include <log4cxx/appender.h>
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#include <log4cxx/logger.h>
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#include <vector>
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namespace log4cxx
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{
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namespace varia
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{
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/**
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The <code>FallbackErrorHandler</code> implements the ErrorHandler
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interface such that a secondary appender may be specified. This
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secondary appender takes over if the primary appender fails for
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whatever reason.
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<p>The error message is printed on <code>System.err</code>, and
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logged in the new secondary appender.
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*/
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class LOG4CXX_EXPORT FallbackErrorHandler :
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public virtual spi::ErrorHandler,
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public virtual helpers::ObjectImpl
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{
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private:
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AppenderPtr backup;
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AppenderPtr primary;
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std::vector<LoggerPtr> loggers;
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public:
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DECLARE_LOG4CXX_OBJECT(FallbackErrorHandler)
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BEGIN_LOG4CXX_CAST_MAP()
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LOG4CXX_CAST_ENTRY(spi::OptionHandler)
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LOG4CXX_CAST_ENTRY(spi::ErrorHandler)
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END_LOG4CXX_CAST_MAP()
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FallbackErrorHandler();
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/**
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<em>Adds</em> the logger passed as parameter to the list of
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loggers that we need to search for in case of appender failure.
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*/
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void setLogger(const LoggerPtr& logger);
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/**
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No options to activate.
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*/
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void activateOptions();
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void setOption(const String& name, const String& value);
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/**
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Prints the message and the stack trace of the exception on
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<code>System.err</code>.
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*/
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void error(const String& message, helpers::Exception& e,
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int errorCode) const;
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/**
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Prints the message and the stack trace of the exception on
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<code>System.err</code>.
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*/
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void error(const String& message, helpers::Exception& e,
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int errorCode, const spi::LoggingEventPtr& event) const;
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/**
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Print a the error message passed as parameter on
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<code>System.err</code>.
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*/
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void error(const String& message) const {}
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/**
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Return the backup appender.
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*/
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const AppenderPtr& getBackupAppender() const
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{ return backup; }
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/**
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The appender to which this error handler is attached.
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*/
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void setAppender(const AppenderPtr& primary);
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/**
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Set the backup appender.
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*/
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void setBackupAppender(const AppenderPtr& backup);
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};
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} // namespace varia
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}; // namespace log4cxx
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#endif //_LOG4CXX_VARIA_FALLBACK_ERROR_HANDLER_H
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