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/*
* Class to manage Backends.
*
* Copyright (c) 2002 by Stefan Eilers (Eilers.Stefan@epost.de)
*
* =====================================================================
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later
* version.
* =====================================================================
* ToDo: Use plugins
* =====================================================================
* Version: $Id$
* =====================================================================
* History:
* $Log$
* Revision 1.5 2003/02/21 23:31:52 zecke
* Add XML datebookresource
* -clean up todoaccessxml header
* -implement some more stuff in the oeven tester
* -extend DefaultFactory to not crash and to use datebook
*
* -reading of OEvents is working nicely.. saving will be added
* tomorrow
* -fix spelling in ODateBookAcces
*
* Revision 1.4 2002/10/14 15:55:18 eilers
* Redeactivate SQL.. ;)
*
* Revision 1.3 2002/10/10 17:08:58 zecke
* The Cache is finally in place
* I tested it with my todolist and it 'works' for 10.000 todos the hits are awesome ;)
* The read ahead functionality does not make sense for XMLs backends because most of the stuff is already in memory. While using readahead on SQL makes things a lot faster....
* I still have to fully implement read ahead
* This change is bic but sc
*
* Revision 1.2 2002/10/08 09:27:36 eilers
* Fixed libopie.pro to include the new pim-API.
* The SQL-Stuff is currently deactivated. Otherwise everyone who wants to
* compile itself would need to install libsqlite, libopiesql...
* Therefore, the backend currently uses XML only..
*
* Revision 1.1 2002/10/07 17:35:01 eilers
* added OBackendFactory for advanced backend access
*
*
* =====================================================================
*/
#ifndef OPIE_BACKENDFACTORY_H_
#define OPIE_BACKENDFACTORY_H_
#include <qstring.h>
#include <qasciidict.h>
#include <qpe/config.h>
#include "otodoaccessxml.h"
#include "ocontactaccessbackend_xml.h"
#include "odatebookaccessbackend_xml.h"
#ifdef __USE_SQL
#include "otodoaccesssql.h"
#endif
template<class T>
class OBackendFactory
{
public:
OBackendFactory() {};
enum BACKENDS {
TODO,
CONTACT,
DATE
};
static T* Default( const QString backendName, const QString& appName ){
// __asm__("int3");
Config config( "pimaccess" );
config.setGroup ( backendName );
QString backend = config.readEntry( "usebackend" );
QAsciiDict<int> dict ( 3 );
dict.setAutoDelete ( TRUE );
dict.insert( "todo", new int (TODO) );
dict.insert( "contact", new int (CONTACT) );
dict.insert( "datebook", new int(DATE) );
qWarning ("TODO is: %d", TODO);
qWarning ("CONTACT is: %d", CONTACT);
int *find = dict[ backendName ];
if (!find ) return 0;
switch ( *find ){
case TODO:
#ifdef __USE_SQL
if ( backend == "sql" )
return (T*) new OTodoAccessBackendSQL("");
#else
if ( backend == "sql" )
qWarning ("OBackendFactory:: sql Backend not implemented! Using XML instead!");
#endif
return (T*) new OTodoAccessXML( appName );
case CONTACT:
if ( backend == "sql" )
qWarning ("OBackendFactory:: sql Backend not implemented! Using XML instead!");
return (T*) new OContactAccessBackend_XML( appName );
case DATE:
if ( backend == "sql" )
qWarning("OBackendFactory:: sql Backend not implemented! Using XML instead!");
return (T*) new ODateBookAccessBackend_XML( appName );
default:
return NULL;
}
}
};
#endif
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