1 files changed, 155 insertions, 0 deletions
diff --git a/libkcal/filestorage.cpp b/libkcal/filestorage.cpp
new file mode 100644
index 000000000..5419a2541
--- /dev/null
+++ b/libkcal/filestorage.cpp
@@ -0,0 +1,155 @@
+/*
+    This file is part of libkcal.
+
+    Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
+
+    This library 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.
+
+    This library 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., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <stdlib.h>
+
+#include <qdatetime.h>
+#include <qstring.h>
+#include <qptrlist.h>
+
+#include <kdebug.h>
+
+#include "calendar.h"
+#include "vcaldrag.h"
+#include "vcalformat.h"
+#include "icalformat.h"
+
+#include "filestorage.h"
+
+using namespace KCal;
+
+FileStorage::FileStorage( Calendar *cal, const QString &fileName,
+                            CalFormat *format )
+  : CalStorage( cal ),
+    mFileName( fileName ),
+    mSaveFormat( format )
+{
+}
+
+FileStorage::~FileStorage()
+{
+  delete mSaveFormat;
+}
+
+void FileStorage::setFileName( const QString &fileName )
+{
+  mFileName = fileName;
+}
+
+QString FileStorage::fileName()const
+{
+  return mFileName;
+}
+
+
+void FileStorage::setSaveFormat( CalFormat *format )
+{
+  delete mSaveFormat;
+  mSaveFormat = format;
+}
+
+CalFormat *FileStorage::saveFormat()const
+{
+  return mSaveFormat;
+}
+
+
+bool FileStorage::open()
+{
+  return true;
+}
+
+bool FileStorage::load()
+{
+//  kdDebug(5800) << "FileStorage::load(): '" << mFileName << "'" << endl;
+
+  // do we want to silently accept this, or make some noise?  Dunno...
+  // it is a semantical thing vs. a practical thing.
+  if (mFileName.isEmpty()) return false;
+
+  // Always try to load with iCalendar. It will detect, if it is actually a
+  // vCalendar file.
+  bool success;
+  // First try the supplied format. Otherwise fall through to iCalendar, then
+  // to vCalendar
+  success = saveFormat() && saveFormat()->load( calendar(), mFileName );
+  if ( !success ) {
+    ICalFormat iCal;
+
+    success = iCal.load( calendar(), mFileName);
+    if ( !success ) {
+      if ( iCal.exception() ) {
+//        kdDebug(5800) << "---Error: " << mFormat->exception()->errorCode() << endl;
+        if ( iCal.exception()->errorCode() == ErrorFormat::CalVersion1 ) {
+          // Expected non vCalendar file, but detected vCalendar
+          kdDebug(5800) << "FileStorage::load() Fallback to VCalFormat" << endl;
+          VCalFormat vCal;
+          success = vCal.load( calendar(), mFileName );
+          calendar()->setProductId( vCal.productId() );
+        } else {
+          return false;
+        }
+      } else {
+        kdDebug(5800) << "Warning! There should be an exception set." << endl;
+        return false;
+      }
+    } else {
+//     kdDebug(5800) << "---Success" << endl;
+      calendar()->setProductId( iCal.loadedProductId() );
+    }
+  }
+
+  calendar()->setModified( false );
+
+  return true;
+}
+
+bool FileStorage::save()
+{
+  if ( mFileName.isEmpty() ) return false;
+
+  CalFormat *format = 0;
+  if ( mSaveFormat ) format = mSaveFormat;
+  else format = new ICalFormat;
+
+  bool success = format->save( calendar(), mFileName );
+
+  if ( success ) {
+    calendar()->setModified( false );
+  } else {
+    if ( !format->exception() ) {
+      kdDebug(5800) << "FileStorage::save(): Error. There should be an exception set."
+                << endl;
+    } else {
+      kdDebug(5800) << "FileStorage::save(): " << format->exception()->message()
+                << endl;
+    }
+  }
+
+  if ( !mSaveFormat ) delete format;
+
+  return success;
+}
+
+bool FileStorage::close()
+{
+  return true;
+}