added OBackendFactory for advanced backend access

4 files changed, 110 insertions, 2 deletions

diff --git a/libopie/pim/obackendfactory.h b/libopie/pim/obackendfactory.h
new file mode 100644
index 0000000..599fbf2
--- a/dev/null
+++ b/libopie/pim/obackendfactory.h
@@ -0,0 +1,88 @@
+/*
+ * 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  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 "otodoaccesssql.h"
+
+
+template<class T>
+class OBackendFactory
+{
+ public:
+        OBackendFactory() {};
+
+        enum BACKENDS {
+                TODO,
+                CONTACT,
+                DATE
+        };
+        
+        static T* Default( const QString backendName, const QString& appName ){
+        
+
+                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) );
+
+                qWarning ("TODO is: %d", TODO);
+                qWarning ("CONTACT is: %d", CONTACT);
+        
+                switch ( *dict.take( backendName ) ){
+                case TODO:
+                        if ( backend == "sql" ) 
+                                return (T*) new OTodoAccessBackendSQL("");
+                        
+                        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:
+                        qWarning ("OBackendFactory:: DATE-Backend not implemented!");
+                        return NULL;
+                default:
+                        return NULL;
+                }
+        
+        
+        }
+};
+
+
+#endif
diff --git a/libopie/pim/ocontactaccess.cpp b/libopie/pim/ocontactaccess.cpp
index 8a8ff08..b5f358b 100644
--- a/libopie/pim/ocontactaccess.cpp
+++ b/libopie/pim/ocontactaccess.cpp
@@ -22,4 +22,7 @@
  * History:
  * $Log$
+ * Revision 1.3  2002/10/07 17:34:24  eilers
+ * added OBackendFactory for advanced backend access
+ *
  * Revision 1.2  2002/10/02 16:18:11  eilers
  * debugged and seems to work almost perfectly ..
@@ -35,4 +38,5 @@
 
 #include "ocontactaccess.h"
+#include "obackendfactory.h"
 
 #include <qasciidict.h>
@@ -54,5 +58,5 @@
 
 
-OContactAccess::OContactAccess ( const QString appname, const QString filename,
+OContactAccess::OContactAccess ( const QString appname, const QString ,
                          OContactAccessBackend* end, bool autosync ):
         OPimAccessTemplate<OContact>( end ),
@@ -63,5 +67,7 @@ OContactAccess::OContactAccess ( const QString appname, const QString filename,
          */
         if( end == 0 ) {
-                end = new OContactAccessBackend_XML( appname, filename );
+                // __asm__("int3");
+                qWarning ("Using BackendFactory !");
+                end = OBackendFactory<OContactAccessBackend>::Default( "contact", appname );
         }
         // Set backend locally and in template
diff --git a/libopie/pim/ocontactaccessbackend.h b/libopie/pim/ocontactaccessbackend.h
index 9469bbc..a651477 100644
--- a/libopie/pim/ocontactaccessbackend.h
+++ b/libopie/pim/ocontactaccessbackend.h
@@ -20,4 +20,7 @@
  * History:
  * $Log$
+ * Revision 1.2  2002/10/07 17:34:24  eilers
+ * added OBackendFactory for advanced backend access
+ *
  * Revision 1.1  2002/09/27 17:11:44  eilers
  * Added API for accessing the Contact-Database ! It is compiling, but
@@ -33,4 +36,5 @@
 #define _OCONTACTACCESSBACKEND_H_
 
+#include "ocontact.h"
 #include "opimaccessbackend.h"
 
diff --git a/libopie/pim/ocontactaccessbackend_xml.h b/libopie/pim/ocontactaccessbackend_xml.h
index 2cdb45b..97ef40f 100644
--- a/libopie/pim/ocontactaccessbackend_xml.h
+++ b/libopie/pim/ocontactaccessbackend_xml.h
@@ -18,4 +18,7 @@
  * History:
  * $Log$
+ * Revision 1.2  2002/10/07 17:34:24  eilers
+ * added OBackendFactory for advanced backend access
+ *
  * Revision 1.1  2002/09/27 17:11:44  eilers
  * Added API for accessing the Contact-Database ! It is compiling, but
@@ -33,9 +36,16 @@
 #include <qdatetime.h>
 #include <qfile.h>
+#include <qfileinfo.h>
 #include <qregexp.h>
 #include <qarray.h>
 
+#include <qpe/global.h>
+
 #include <opie/xmltree.h>
 #include "ocontactaccessbackend.h"
+#include "ocontactaccess.h"
+
+#include <stdlib.h>
+#include <errno.h>
 
 using namespace Opie;