sintonia/livesupport/modules/db/src/ConnectionManagerFactory.cxx

112 lines
4.2 KiB
C++

/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport 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.
LiveSupport 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 LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: maroy $
Version : $Revision: 1.1 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/db/src/ConnectionManagerFactory.cxx,v $
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include "LiveSupport/Db/ConnectionManagerFactory.h"
#include "SimpleConnectionManager.h"
using namespace LiveSupport::Core;
using namespace LiveSupport::Db;
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/*------------------------------------------------------------------------------
* The name of the config element for this class
*----------------------------------------------------------------------------*/
const std::string ConnectionManagerFactory::configElementNameStr =
"connectionManagerFactory";
/*------------------------------------------------------------------------------
* The singleton instance of ConnectionManagerFactory
*----------------------------------------------------------------------------*/
Ptr<ConnectionManagerFactory>::Ref ConnectionManagerFactory::singleton;
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Return the singleton instance to ConnectionManagerFactory
*----------------------------------------------------------------------------*/
Ptr<ConnectionManagerFactory>::Ref
ConnectionManagerFactory :: getInstance(void) throw ()
{
if (!singleton.get()) {
singleton.reset(new ConnectionManagerFactory());
}
return singleton;
}
/*------------------------------------------------------------------------------
* Configure the connection manager factory.
*----------------------------------------------------------------------------*/
void
ConnectionManagerFactory :: configure(const xmlpp::Element & element)
throw (std::invalid_argument,
std::logic_error)
{
if (element.get_name() != configElementNameStr) {
std::string eMsg = "Bad configuration element ";
eMsg += element.get_name();
throw std::invalid_argument(eMsg);
}
connectionManager.reset();
// try to look for a SimpleConnectionManager configuration element
xmlpp::Node::NodeList nodes = element.get_children(
SimpleConnectionManager::getConfigElementName());
if (nodes.size() >= 1) {
const xmlpp::Element * configElement =
dynamic_cast<const xmlpp::Element*> (*(nodes.begin()));
Ptr<SimpleConnectionManager>::Ref scm(new SimpleConnectionManager());
scm->configure(*configElement);
connectionManager = scm;
}
if (!connectionManager) {
throw std::invalid_argument("no storage client factories to configure");
}
}