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/*
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 <tqdatetime.h>
#include <tqstring.h>
#include <tqptrlist.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 TQString &fileName,
CalFormat *format )
: CalStorage( cal ),
mFileName( fileName ),
mSaveFormat( format )
{
}
FileStorage::~FileStorage()
{
delete mSaveFormat;
}
void FileStorage::setFileName( const TQString &fileName )
{
mFileName = fileName;
}
TQString 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;
}
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