sintonia/livesupport/modules/storage/src/StorageClientFactory.cxx

122 lines
4.6 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: fgerlits $
Version : $Revision: 1.5 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storage/src/StorageClientFactory.cxx,v $
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include "LiveSupport/Storage/StorageClientFactory.h"
#include "TestStorageClient.h"
#include "WebStorageClient.h"
using namespace LiveSupport::Core;
using namespace LiveSupport::Storage;
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/*------------------------------------------------------------------------------
* The name of the config element for this class
*----------------------------------------------------------------------------*/
const std::string StorageClientFactory::configElementNameStr =
"storageClientFactory";
/*------------------------------------------------------------------------------
* The singleton instance of StorageClientFactory
*----------------------------------------------------------------------------*/
Ptr<StorageClientFactory>::Ref StorageClientFactory::singleton;
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Return the singleton instance to StorageClientFactory
*----------------------------------------------------------------------------*/
Ptr<StorageClientFactory>::Ref
StorageClientFactory :: getInstance(void) throw ()
{
if (!singleton.get()) {
singleton.reset(new StorageClientFactory());
}
return singleton;
}
/*------------------------------------------------------------------------------
* Configure the test storage client.
*----------------------------------------------------------------------------*/
void
StorageClientFactory :: 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);
}
storageClient.reset();
xmlpp::Node::NodeList nodes;
// try to look for a TestStorageClient configuration element
nodes = element.get_children(TestStorageClient::getConfigElementName());
if (nodes.size() >= 1) {
const xmlpp::Element * configElement =
dynamic_cast<const xmlpp::Element*> (*(nodes.begin()));
Ptr<TestStorageClient>::Ref tsc(new TestStorageClient());
tsc->configure(*configElement);
storageClient = tsc;
return;
}
// try to look for a WebStorageClient configuration element
nodes = element.get_children(WebStorageClient::getConfigElementName());
if (nodes.size() >= 1) {
const xmlpp::Element * configElement =
dynamic_cast<const xmlpp::Element*> (*(nodes.begin()));
Ptr<WebStorageClient>::Ref wsc(new WebStorageClient());
wsc->configure(*configElement);
storageClient = wsc;
return;
}
throw std::invalid_argument("no storage client factories to configure");
}