submitted 1.2.0

Foundation/include/Poco/LoggingFactory.h

@@ -0,0 +1,115 @@
+//
+// LoggingFactory.h
+//
+// $Id: //poco/1.2/Foundation/include/Poco/LoggingFactory.h#1 $
+//
+// Library: Foundation
+// Package: Logging
+// Module:  LoggingFactory
+//
+// Definition of the LoggingFactory class.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Foundation_LoggingFactory_INCLUDED
+#define Foundation_LoggingFactory_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/DynamicFactory.h"
+#include "Poco/Channel.h"
+#include "Poco/Formatter.h"
+
+
+namespace Poco {
+
+
+class Foundation_API LoggingFactory
+	/// An extensible factory for channels and formatters.
+	///
+	/// The following channel classes are pre-registered:
+	///   - AsyncChannel
+	///   - ConsoleChannel
+	///   - EventLogChannel (Windows platforms only)
+	///   - FileChannel
+	///   - FormattingChannel
+	///   - NullChannel
+	///   - OpcomChannel (OpenVMS only)
+	///   - SplitterChannel
+	///   - SyslogChannel (Unix platforms only)
+	///
+	/// The following formatter classes are pre-registered:
+	///   - PatternFormatter
+{
+public:
+	typedef AbstractInstantiator<Channel>   ChannelInstantiator;
+	typedef AbstractInstantiator<Formatter> FormatterFactory;
+
+	LoggingFactory();
+		/// Creates the LoggingFactory.
+		///
+		/// Automatically registers class factories for the
+		/// built-in channel and formatter classes.
+
+	~LoggingFactory();
+		/// Destroys the LoggingFactory.
+		
+	void registerChannelClass(const std::string& className, ChannelInstantiator* pFactory);
+		/// Registers a channel class with the LoggingFactory.
+		
+	void registerFormatterClass(const std::string& className, FormatterFactory* pFactory);
+		/// Registers a formatter class with the LoggingFactory.
+
+	Channel* createChannel(const std::string& className) const;
+		/// Creates a new Channel instance from specified class.
+		///
+		/// Throws a NotFoundException if the specified channel class 
+		/// has not been registered.
+		
+	Formatter* createFormatter(const std::string& className) const;
+		/// Creates a new Formatter instance from specified class.
+		///
+		/// Throws a NotFoundException if the specified formatter class 
+		/// has not been registered.
+
+	static LoggingFactory& defaultFactory();
+		/// Returns a reference to the default
+		/// LoggingFactory.
+
+private:
+	void registerBuiltins();
+	
+	DynamicFactory<Channel>   _channelFactory;
+	DynamicFactory<Formatter> _formatterFactory;
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_LoggingFactory_INCLUDED