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// $Id: //poco/1.2/Foundation/include/Poco/Channel.h#1 $
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// Definition of the Channel class.
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#ifndef Foundation_Channel_INCLUDED
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#define Foundation_Channel_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Configurable.h"
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#include "Poco/Mutex.h"
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#include "Poco/RefCountedObject.h"
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class Foundation_API Channel: public Configurable, public RefCountedObject
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/// The base class for all Channel classes.
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/// Supports reference counting based garbage
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/// collection and provides trivial implementations
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/// of getProperty() and setProperty().
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/// Creates the channel and initializes
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/// the reference count to one.
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/// Does whatever is necessary to open the channel.
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/// The default implementation does nothing.
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/// Does whatever is necessary to close the channel.
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/// The default implementation does nothing.
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virtual void log(const Message& msg) = 0;
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/// Logs the given message to the channel. Must be
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/// overridden by subclasses.
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/// If the channel has not been opened yet, the log()
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/// method will open it.
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void setProperty(const std::string& name, const std::string& value);
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/// Throws a PropertyNotSupportedException.
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std::string getProperty(const std::string& name) const;
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/// Throws a PropertyNotSupportedException.
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#endif // Foundation_Channel_INCLUDED