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/*
This file is part of the Opie Project
Copyright (C) The Main Author <main-author@whereever.org>
=. Copyright (C) The Opie Team <opie-devel@handhelds.org>
.=l.
.>+-=
_;:, .> :=|. This program is free software; you can
.> <`_, > . <= redistribute it and/or modify it under
:`=1 )Y*s>-.-- : the terms of the GNU Library General Public
.="- .-=="i, .._ License as published by the Free Software
- . .-<_> .<> Foundation; either version 2 of the License,
._= =} : or (at your option) any later version.
.%`+i> _;_.
.i_,=:_. -<s. 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
..}^=.= = ; Library General Public License for more
++= -. .` .: details.
: = ...= . :.=-
-. .:....=;==+<; You should have received a copy of the GNU
-_. . . )=. = Library General Public License along with
-- :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/*
* =====================================================================
* ToDo: Use plugins
* =====================================================================
*/
#ifndef OPIE_BACKENDFACTORY_H_
#define OPIE_BACKENDFACTORY_H_
#include <qstring.h>
#include <qasciidict.h>
#include <qpe/config.h>
#include <opie2/otodoaccessxml.h>
#include <opie2/ocontactaccessbackend_xml.h>
#include <opie2/odatebookaccessbackend_xml.h>
#ifdef __USE_SQL
#include <opie2/otodoaccesssql.h>
#include <opie2/ocontactaccessbackend_sql.h>
#include <opie2/odatebookaccessbackend_sql.h>
#endif
namespace Opie {
class OBackendPrivate;
/**
* This class is our factory. It will give us the default implementations
* of at least Todolist, Contacts and Datebook. In the future this class will
* allow users to switch the backend with ( XML->SQLite ) without the need
* to recompile.#
* This class as the whole PIM Api is making use of templates
*
* <pre>
* OPimTodoAccessBackend* backend = OBackEndFactory<OPimTodoAccessBackend>::Default("todo", QString::null );
* backend->load();
* </pre>
*
* @author Stefan Eilers
* @version 0.1
*/
template<class T>
class OBackendFactory
{
public:
OBackendFactory() {};
enum BACKENDS {
TODO,
CONTACT,
DATE
};
/**
* Returns a backend implementation for backendName
* @param backendName the type of the backend
* @param appName will be passed on to the backend
*/
static T* Default( const QString backendName, const QString& appName ){
// __asm__("int3");
Config config( "pimaccess" );
config.setGroup ( backendName );
QString backend = config.readEntry( "usebackend" );
qWarning("Selected backend for %s is: %s", backendName.latin1(), backend.latin1() );
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) );
int *find = dict[ backendName ];
if (!find ) return 0;
switch ( *find ){
case TODO:
#ifdef __USE_SQL
if ( backend == "sql" )
return (T*) new OPimTodoAccessBackendSQL("");
#else
if ( backend == "sql" )
qWarning ("OBackendFactory:: sql Backend for TODO not implemented! Using XML instead!");
#endif
return (T*) new OPimTodoAccessXML( appName );
case CONTACT:
#ifdef __USE_SQL
if ( backend == "sql" )
return (T*) new OPimContactAccessBackend_SQL("");
#else
if ( backend == "sql" )
qWarning ("OBackendFactory:: sql Backend for CONTACT not implemented! Using XML instead!");
#endif
return (T*) new OPimContactAccessBackend_XML( appName );
case DATE:
#ifdef __USE_SQL
if ( backend == "sql" )
return (T*) new ODateBookAccessBackend_SQL("");
#else
if ( backend == "sql" )
qWarning("OBackendFactory:: sql Backend for DATEBOOK not implemented! Using XML instead!");
#endif
return (T*) new ODateBookAccessBackend_XML( appName );
default:
return NULL;
}
}
private:
OBackendPrivate* d;
};
}
#endif
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