// // NullChannel.h // // $Id: //poco/1.4/Foundation/include/Poco/NullChannel.h#1 $ // // Library: Foundation // Package: Logging // Module: NullChannel // // Definition of the NullChannel class. // // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. // and Contributors. // // SPDX-License-Identifier: BSL-1.0 // #ifndef Foundation_NullChannel_INCLUDED #define Foundation_NullChannel_INCLUDED #include "Poco/Foundation.h" #include "Poco/Channel.h" namespace Poco { class Foundation_API NullChannel: public Channel /// The NullChannel is the /dev/null of Channels. /// /// A NullChannel discards all information sent to it. /// Furthermore, its setProperty() method ignores /// all properties, so it the NullChannel has the /// nice feature that it can stand in for any /// other channel class in a logging configuration. { public: NullChannel(); /// Creates the NullChannel. ~NullChannel(); /// Destroys the NullChannel. void log(const Message& msg); /// Does nothing. void setProperty(const std::string& name, const std::string& value); /// Ignores both name and value. }; } // namespace Poco #endif // Foundation_NullChannel_INCLUDED