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78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
//
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// Formatter.h
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//
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// Library: Foundation
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// Package: Logging
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// Module: Formatter
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//
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// Definition of the Formatter class.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_Formatter_INCLUDED
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#define Foundation_Formatter_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Configurable.h"
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#include "Poco/AutoPtr.h"
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#include "Poco/RefCountedObject.h"
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namespace Poco {
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class Message;
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class Foundation_API Formatter: public Configurable, public RefCountedObject
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/// The base class for all Formatter classes.
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///
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/// A formatter basically takes a Message object
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/// and formats it into a string. How the formatting
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/// is exactly done is up to the implementation of
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/// Formatter. For example, a very simple implementation
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/// might simply take the message's Text (see Message::getText()).
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/// A useful implementation should at least take the Message's
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/// Time, Priority and Text fields and put them into a string.
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///
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/// The Formatter class supports the Configurable interface,
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/// so the behaviour of certain formatters is configurable.
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/// It also supports reference counting based garbage collection.
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///
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/// Trivial implementations of of getProperty() and
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/// setProperty() are provided.
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///
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/// Subclasses must at least provide a format() method.
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{
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public:
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using Ptr = AutoPtr<Formatter>;
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Formatter();
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/// Creates the formatter.
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virtual ~Formatter();
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/// Destroys the formatter.
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virtual void format(const Message& msg, std::string& text) = 0;
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/// Formats the message and places the result in text.
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/// Subclasses must override this method.
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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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};
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} // namespace Poco
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#endif // Foundation_Formatter_INCLUDED
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