Diffstat (limited to 'noncore/unsupported/libopie/pim/obackendfactory.h') (more/less context) (ignore whitespace changes)
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diff --git a/noncore/unsupported/libopie/pim/obackendfactory.h b/noncore/unsupported/libopie/pim/obackendfactory.h new file mode 100644 index 0000000..4cdef8b --- a/dev/null +++ b/noncore/unsupported/libopie/pim/obackendfactory.h @@ -0,0 +1,197 @@ +/* + * 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 1.1 2004/11/16 21:46:07 mickeyl + * libopie1 goes into unsupported + * + * Revision 1.9 2003/12/22 10:19:26 eilers + * Finishing implementation of sql-backend for datebook. But I have to + * port the PIM datebook application to use it, before I could debug the + * whole stuff. + * Thus, PIM-Database backend is finished, but highly experimental. And some + * parts are still generic. For instance, the "queryByExample()" methods are + * not (or not fully) implemented. Todo: custom-entries not stored. + * The big show stopper: matchRegExp() (needed by OpieSearch) needs regular + * expression search in the database, which is not supported by sqlite ! + * Therefore we need either an extended sqlite or a workaround which would + * be very slow and memory consuming.. + * + * Revision 1.8 2003/09/22 14:31:16 eilers + * Added first experimental incarnation of sql-backend for addressbook. + * Some modifications to be able to compile the todo sql-backend. + * A lot of changes fill follow... + * + * Revision 1.7 2003/08/01 12:30:16 eilers + * Merging changes from BRANCH_1_0 to HEAD + * + * Revision 1.6.4.1 2003/06/30 14:34:19 eilers + * Patches from Zecke: + * Fixing and cleaning up extraMap handling + * Adding d_ptr for binary compatibility in the future + * + * Revision 1.6 2003/04/13 18:07:10 zecke + * More API doc + * QString -> const QString& + * QString = 0l -> QString::null + * + * 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" +#include "ocontactaccessbackend_sql.h" +#include "odatebookaccessbackend_sql.h" +#endif + +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> + * OTodoAccessBackend* backend = OBackEndFactory<OTodoAccessBackend>::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 OTodoAccessBackendSQL(""); +#else + if ( backend == "sql" ) + qWarning ("OBackendFactory:: sql Backend for TODO not implemented! Using XML instead!"); +#endif + + return (T*) new OTodoAccessXML( appName ); + case CONTACT: +#ifdef __USE_SQL + if ( backend == "sql" ) + return (T*) new OContactAccessBackend_SQL(""); +#else + if ( backend == "sql" ) + qWarning ("OBackendFactory:: sql Backend for CONTACT not implemented! Using XML instead!"); +#endif + + return (T*) new OContactAccessBackend_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 |