diff options
Diffstat (limited to 'src/messaging/serviceFactory.hpp')
-rw-r--r-- | src/messaging/serviceFactory.hpp | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/messaging/serviceFactory.hpp b/src/messaging/serviceFactory.hpp new file mode 100644 index 00000000..9aa8e46a --- /dev/null +++ b/src/messaging/serviceFactory.hpp @@ -0,0 +1,207 @@ +// +// VMime library (http://vmime.sourceforge.net) +// Copyright (C) 2002-2004 Vincent Richard <[email protected]> +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 of +// the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +// + +#ifndef VMIME_MESSAGING_SERVICEFACTORY_HPP_INCLUDED +#define VMIME_MESSAGING_SERVICEFACTORY_HPP_INCLUDED + + +#include <map> + +#include "../types.hpp" +#include "../base.hpp" +#include "../utility/singleton.hpp" + +#include "serviceInfos.hpp" +#include "authenticator.hpp" +#include "progressionListener.hpp" +#include "timeoutHandler.hpp" +#include "url.hpp" + + +namespace vmime { +namespace messaging { + + +class service; +class session; + + +/** A factory to create 'service' objects for a specified protocol. + */ + +class serviceFactory : public utility::singleton <serviceFactory> +{ + friend class utility::singleton <serviceFactory>; + +protected: + + serviceFactory(); + ~serviceFactory(); + +public: + + class registeredService + { + friend class serviceFactory; + + protected: + + virtual ~registeredService() { } + + public: + + virtual service* create(session& sess, authenticator* auth) = 0; + + virtual const string& name() const = 0; + virtual const serviceInfos& infos() const = 0; + }; + +private: + + template <class S> + class registeredServiceImpl : public registeredService + { + friend class serviceFactory; + + protected: + + registeredServiceImpl(const string& name) + : m_name(name), m_servInfos(S::infosInstance()) + { + } + + public: + + service* create(session& sess, authenticator* auth) + { + return new S(sess, auth); + } + + const serviceInfos& infos() const + { + return (m_servInfos); + } + + const string& name() const + { + return (m_name); + } + + private: + + const string m_name; + const serviceInfos& m_servInfos; + }; + + typedef std::map <string, registeredService*> ProtoMap; + ProtoMap m_protoMap; + +public: + + template <class S> + void registerName(const string& protocol) + { + const string name = vmime::toLower(protocol); + m_protoMap.insert(ProtoMap::value_type(name, + new registeredServiceImpl <S>(name))); + } + + service* create(session& sess, const string& protocol, authenticator* auth = NULL); + service* create(session& sess, const url& u, authenticator* auth = NULL); + + const registeredService& operator[](const string& protocol) const; + + + class iterator; + + class const_iterator + { + friend class serviceFactory; + + public: + + const_iterator() { } + const_iterator(const const_iterator& it) : m_it(it.m_it) { } + const_iterator(const iterator& it) : m_it(it.m_it) { } + + const_iterator& operator=(const const_iterator& it) { m_it = it.m_it; return (*this); } + + const registeredService& operator*() const { return (*(*m_it).second); } + const registeredService* operator->() const { return ((*m_it).second); } + + const_iterator& operator++() { ++m_it; return (*this); } + const_iterator operator++(int) { return (m_it++); } + + const_iterator& operator--() { --m_it; return (*this); } + const_iterator operator--(int) { return (m_it--); } + + const bool operator==(const const_iterator& it) const { return (m_it == it.m_it); } + const bool operator!=(const const_iterator& it) const { return (m_it != it.m_it); } + + private: + + const_iterator(const ProtoMap::const_iterator it) : m_it(it) { } + + ProtoMap::const_iterator m_it; + }; + + class iterator + { + friend class serviceFactory; + friend class serviceFactory::const_iterator; + + public: + + iterator() { } + iterator(const iterator& it) : m_it(it.m_it) { } + + iterator& operator=(const iterator& it) { m_it = it.m_it; return (*this); } + + registeredService& operator*() const { return (*(*m_it).second); } + registeredService* operator->() const { return ((*m_it).second); } + + iterator& operator++() { ++m_it; return (*this); } + iterator operator++(int) { return (m_it++); } + + iterator& operator--() { --m_it; return (*this); } + iterator operator--(int) { return (m_it--); } + + const bool operator==(const iterator& it) const { return (m_it == it.m_it); } + const bool operator!=(const iterator& it) const { return (m_it != it.m_it); } + + private: + + iterator(const ProtoMap::iterator it) : m_it(it) { } + + ProtoMap::iterator m_it; + }; + + iterator begin() { return iterator(m_protoMap.begin()); } + iterator end() { return iterator(m_protoMap.end()); } + + const_iterator begin() const { return const_iterator(m_protoMap.begin()); } + const_iterator end() const { return const_iterator(m_protoMap.end()); } +}; + + +} // messaging +} // vmime + + +#endif // VMIME_MESSAGING_SERVICEFACTORY_HPP_INCLUDED |