ocontactaccessbackend_xml.cpp

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/*
 * XML Backend for the OPIE-Contact Database.
 *
 * 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.
 * =====================================================================
 *
 * =====================================================================
 * Version: $Id: ocontactaccessbackend_xml.cpp,v 1.1 2004/11/16 21:46:07 mickeyl Exp $
 * =====================================================================
 * History:
 * $Log: ocontactaccessbackend_xml.cpp,v $
 * Revision 1.1  2004/11/16 21:46:07  mickeyl
 * libopie1 goes into unsupported
 *
 * Revision 1.10  2004/03/01 15:44:36  chicken
 * fix includes
 *
 * Revision 1.9  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 1.8  2003/08/30 15:28:26  eilers
 * Removed some unimportant debug output which causes slow down..
 *
 * Revision 1.7  2003/08/01 12:30:16  eilers
 * Merging changes from BRANCH_1_0 to HEAD
 *
 * Revision 1.6  2003/07/07 16:19:47  eilers
 * Fixing serious bug in hasQuerySettings()
 *
 * Revision 1.5  2003/04/13 18:07:10  zecke
 * More API doc
 * QString -> const QString&
 * QString = 0l -> QString::null
 *
 * Revision 1.4  2003/03/21 14:32:54  mickeyl
 * g++ compliance fix: default arguments belong into the declaration, but not the definition
 *
 * Revision 1.3  2003/03/21 12:26:28  eilers
 * Fixing small bug: If we search a birthday from today to today, it returned
 * every contact ..
 *
 * Revision 1.2  2003/03/21 10:33:09  eilers
 * Merged speed optimized xml backend for contacts to main.
 * Added QDateTime to querybyexample. For instance, it is now possible to get
 * all Birthdays/Anniversaries between two dates. This should be used
 * to show all birthdays in the datebook..
 * This change is sourcecode backward compatible but you have to upgrade
 * the binaries for today-addressbook.
 *
 * Revision 1.1.2.2  2003/02/11 12:17:28  eilers
 * Speed optimization. Removed the sequential search loops.
 *
 * Revision 1.1.2.1  2003/02/10 15:31:38  eilers
 * Writing offsets to debug output..
 *
 * Revision 1.1  2003/02/09 15:05:01  eilers
 * Nothing happened.. Just some cleanup before I will start..
 *
 * Revision 1.12  2003/01/03 16:58:03  eilers
 * Reenable debug output
 *
 * Revision 1.11  2003/01/03 12:31:28  eilers
 * Bugfix for calculating data diffs..
 *
 * Revision 1.10  2003/01/02 14:27:12  eilers
 * Improved query by example: Search by date is possible.. First step
 * for a today plugin for birthdays..
 *
 * Revision 1.9  2002/12/08 12:48:57  eilers
 * Moved journal-enum from ocontact into i the xml-backend..
 *
 * Revision 1.8  2002/11/14 17:04:24  eilers
 * Sorting will now work if fullname is identical on some entries
 *
 * Revision 1.7  2002/11/13 15:02:46  eilers
 * Small Bug in sorted fixed
 *
 * Revision 1.6  2002/11/13 14:14:51  eilers
 * Added sorted for Contacts..
 *
 * Revision 1.5  2002/11/01 15:10:42  eilers
 * Added regExp-search in database for all fields in a contact.
 *
 * Revision 1.4  2002/10/16 10:52:40  eilers
 * Added some docu to the interface and now using the cache infrastucture by zecke.. :)
 *
 * Revision 1.3  2002/10/14 16:21:54  eilers
 * Some minor interface updates
 *
 * 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
 * please do not expect that anything is working !
 * I will debug that stuff in the next time ..
 * Please read README_COMPILE for compiling !
 *
 *
 */

#include "ocontactaccessbackend_xml.h"

#include <qasciidict.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qregexp.h>
#include <qarray.h>
#include <qmap.h>

#include <qpe/global.h>

#include <opie/xmltree.h>
#include "ocontactaccessbackend.h"
#include "ocontactaccess.h"

#include <stdlib.h>
#include <errno.h>

using namespace Opie;


OContactAccessBackend_XML::OContactAccessBackend_XML ( const QString& appname, const QString& filename ):
        m_changed( false )
{
        // Just m_contactlist should call delete if an entry
        // is removed.
        m_contactList.setAutoDelete( true );
        m_uidToContact.setAutoDelete( false );

        m_appName = appname;

        /* Set journalfile name ... */
        m_journalName = getenv("HOME");
        m_journalName +="/.abjournal" + appname;

        /* Expecting to access the default filename if nothing else is set */
        if ( filename.isEmpty() ){
                m_fileName = Global::applicationFileName( "addressbook","addressbook.xml" );
        } else
                m_fileName = filename;

        /* Load Database now */
        load ();
}

bool OContactAccessBackend_XML::save()
{

        if ( !m_changed )
                return true;

        QString strNewFile = m_fileName + ".new";
        QFile f( strNewFile );
        if ( !f.open( IO_WriteOnly|IO_Raw ) )
                return false;

        int total_written;
        int idx_offset = 0;
        QString out;

        // Write Header
        out = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><!DOCTYPE Addressbook ><AddressBook>\n"
                " <Groups>\n"
                " </Groups>\n"
                " <Contacts>\n";
        QCString cstr = out.utf8();
        f.writeBlock( cstr.data(), cstr.length() );
        idx_offset += cstr.length();
        out = "";

        // Write all contacts
        QListIterator<OContact> it( m_contactList );
        for ( ; it.current(); ++it ) {
                // qWarning(" Uid %d at Offset: %x", (*it)->uid(), idx_offset );
                out += "<Contact ";
                (*it)->save( out );
                out += "/>\n";
                cstr = out.utf8();
                total_written = f.writeBlock( cstr.data(), cstr.length() );
                idx_offset += cstr.length();
                if ( total_written != int(cstr.length()) ) {
                        f.close();
                        QFile::remove( strNewFile );
                        return false;
                }
                out = "";
        }
        out += " </Contacts>\n</AddressBook>\n";

        // Write Footer
        cstr = out.utf8();
        total_written = f.writeBlock( cstr.data(), cstr.length() );
        if ( total_written != int( cstr.length() ) ) {
                f.close();
                QFile::remove( strNewFile );
                return false;
        }
        f.close();

        // move the file over, I'm just going to use the system call
        // because, I don't feel like using QDir.
        if ( ::rename( strNewFile.latin1(), m_fileName.latin1() ) < 0 ) {
                qWarning( "problem renaming file %s to %s, errno: %d",
                          strNewFile.latin1(), m_journalName.latin1(), errno );
                // remove the tmp file...
                QFile::remove( strNewFile );
        }

        /* The journalfile should be removed now... */
        removeJournal();

        m_changed = false;
        return true;
}

bool OContactAccessBackend_XML::load ()
{
        m_contactList.clear();
        m_uidToContact.clear();

        /* Load XML-File and journal if it exists */
        if ( !load ( m_fileName, false ) )
                return false;
        /* The returncode of the journalfile is ignored due to the
         * fact that it does not exist when this class is instantiated !
         * But there may such a file exist, if the application crashed.
         * Therefore we try to load it to get the changes before the #
         * crash happened...
         */
        load (m_journalName, true);

        return true;
}

void OContactAccessBackend_XML::clear ()
{
        m_contactList.clear();
        m_uidToContact.clear();

        m_changed = false;
}

bool OContactAccessBackend_XML::wasChangedExternally()
{
        QFileInfo fi( m_fileName );

        QDateTime lastmod = fi.lastModified ();

        return (lastmod != m_readtime);
}

QArray<int> OContactAccessBackend_XML::allRecords() const
{
        QArray<int> uid_list( m_contactList.count() );

        uint counter = 0;
        QListIterator<OContact> it( m_contactList );
        for( ; it.current(); ++it ){
                uid_list[counter++] = (*it)->uid();
        }

        return ( uid_list );
}

OContact OContactAccessBackend_XML::find ( int uid ) const
{
        OContact foundContact; //Create empty contact

        OContact* found = m_uidToContact.find( QString().setNum( uid ) );

        if ( found ){
                foundContact = *found;
        }

        return ( foundContact );
}

QArray<int> OContactAccessBackend_XML::queryByExample ( const OContact &query, int settings,
                                                        const QDateTime& d )
{

        QArray<int> m_currentQuery( m_contactList.count() );
        QListIterator<OContact> it( m_contactList );
        uint arraycounter = 0;

        for( ; it.current(); ++it ){
                /* Search all fields and compare them with query object. Store them into list
                 * if all fields matches.
                 */
                QDate* queryDate = 0l;
                QDate* checkDate = 0l;
                bool allcorrect = true;
                for ( int i = 0; i < Qtopia::Groups; i++ ) {
                        // Birthday and anniversary are special nonstring fields and should
                        // be handled specially
                        switch ( i ){
                        case Qtopia::Birthday:
                                queryDate = new QDate( query.birthday() );
                                checkDate = new QDate( (*it)->birthday() );
                        case Qtopia::Anniversary:
                                if ( queryDate == 0l ){
                                        queryDate = new QDate( query.anniversary() );
                                        checkDate = new QDate( (*it)->anniversary() );
                                }

                                if ( queryDate->isValid() ){
                                        if(  checkDate->isValid() ){
                                                if ( settings & OContactAccess::DateYear ){
                                                        if ( queryDate->year() != checkDate->year() )
                                                                allcorrect = false;
                                                }
                                                if ( settings & OContactAccess::DateMonth ){
                                                        if ( queryDate->month() != checkDate->month() )
                                                                allcorrect = false;
                                                }
                                                if ( settings & OContactAccess::DateDay ){
                                                        if ( queryDate->day() != checkDate->day() )
                                                                allcorrect = false;
                                                }
                                                if ( settings & OContactAccess::DateDiff ) {
                                                        QDate current;
                                                        // If we get an additional date, we
                                                        // will take this date instead of
                                                        // the current one..
                                                        if ( !d.date().isValid() )
                                                                current = QDate::currentDate();
                                                        else
                                                                current = d.date();

                                                        // We have to equalize the year, otherwise
                                                        // the search will fail..
                                                        checkDate->setYMD( current.year(),
                                                                           checkDate->month(),
                                                                           checkDate->day() );
                                                        if ( *checkDate < current )
                                                                checkDate->setYMD( current.year()+1,
                                                                                   checkDate->month(),
                                                                                   checkDate->day() );

                                                        // Check whether the birthday/anniversary date is between
                                                        // the current/given date and the maximum date
                                                        // ( maximum time range ) !
                                                        qWarning("Checking if %s is between %s and %s ! ",
                                                                 checkDate->toString().latin1(),
                                                                 current.toString().latin1(),
                                                                 queryDate->toString().latin1() );
                                                        if ( current.daysTo( *queryDate ) >= 0 ){
                                                                if ( !( ( *checkDate >= current ) &&
                                                                        ( *checkDate <= *queryDate ) ) ){
                                                                        allcorrect = false;
                                                                        qWarning (" Nope!..");
                                                                }
                                                        }
                                                }
                                        } else{
                                                // checkDate is invalid. Therefore this entry is always rejected
                                                allcorrect = false;
                                        }
                                }

                                delete queryDate;
                                queryDate = 0l;
                                delete checkDate;
                                checkDate = 0l;
                                break;
                        default:
                                /* Just compare fields which are not empty in the query object */
                                if ( !query.field(i).isEmpty() ){
                                        switch ( settings & ~( OContactAccess::IgnoreCase
                                                               | OContactAccess::DateDiff
                                                               | OContactAccess::DateYear
                                                               | OContactAccess::DateMonth
                                                               | OContactAccess::DateDay
                                                               | OContactAccess::MatchOne
                                                               ) ){

                                        case OContactAccess::RegExp:{
                                                QRegExp expr ( query.field(i),
                                                               !(settings & OContactAccess::IgnoreCase),
                                                               false );
                                                if ( expr.find ( (*it)->field(i), 0 ) == -1 )
                                                        allcorrect = false;
                                        }
                                                break;
                                        case OContactAccess::WildCards:{
                                                QRegExp expr ( query.field(i),
                                                               !(settings & OContactAccess::IgnoreCase),
                                                               true );
                                                if ( expr.find ( (*it)->field(i), 0 ) == -1 )
                                                        allcorrect = false;
                                        }
                                                break;
                                        case OContactAccess::ExactMatch:{
                                                if (settings & OContactAccess::IgnoreCase){
                                                        if ( query.field(i).upper() !=
                                                             (*it)->field(i).upper() )
                                                                allcorrect = false;
                                                }else{
                                                        if ( query.field(i) != (*it)->field(i) )
                                                                allcorrect = false;
                                                }
                                        }
                                                break;
                                        }
                                }
                        }
                }
                if ( allcorrect ){
                        m_currentQuery[arraycounter++] = (*it)->uid();
                }
        }

        // Shrink to fit..
        m_currentQuery.resize(arraycounter);

        return m_currentQuery;
}

QArray<int> OContactAccessBackend_XML::matchRegexp(  const QRegExp &r ) const
{
        QArray<int> m_currentQuery( m_contactList.count() );
        QListIterator<OContact> it( m_contactList );
        uint arraycounter = 0;

        for( ; it.current(); ++it ){
                if ( (*it)->match( r ) ){
                        m_currentQuery[arraycounter++] = (*it)->uid();
                }

        }
        // Shrink to fit..
        m_currentQuery.resize(arraycounter);

        return m_currentQuery;
}

const uint OContactAccessBackend_XML::querySettings()
{
        return ( OContactAccess::WildCards
                 | OContactAccess::IgnoreCase
                 | OContactAccess::RegExp
                 | OContactAccess::ExactMatch
                 | OContactAccess::DateDiff
                 | OContactAccess::DateYear
                 | OContactAccess::DateMonth
                 | OContactAccess::DateDay
                 );
}

bool OContactAccessBackend_XML::hasQuerySettings (uint querySettings) const
{
        /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay
         * may be added with any of the other settings. IgnoreCase should never used alone.
         * Wildcards, RegExp, ExactMatch should never used at the same time...
         */

        // Step 1: Check whether the given settings are supported by this backend
        if ( ( querySettings & ( 
                                OContactAccess::IgnoreCase
                                | OContactAccess::WildCards
                                | OContactAccess::DateDiff
                                | OContactAccess::DateYear
                                | OContactAccess::DateMonth
                                | OContactAccess::DateDay
                                | OContactAccess::RegExp
                                | OContactAccess::ExactMatch
                               ) ) != querySettings )
                return false;

        // Step 2: Check whether the given combinations are ok..

        // IngoreCase alone is invalid
        if ( querySettings == OContactAccess::IgnoreCase )
                return false;

        // WildCards, RegExp and ExactMatch should never used at the same time 
        switch ( querySettings & ~( OContactAccess::IgnoreCase
                                    | OContactAccess::DateDiff
                                    | OContactAccess::DateYear
                                    | OContactAccess::DateMonth
                                    | OContactAccess::DateDay
                                    )
                 ){
        case OContactAccess::RegExp:
                return ( true );
        case OContactAccess::WildCards:
                return ( true );
        case OContactAccess::ExactMatch:
                return ( true );
        case 0: // one of the upper removed bits were set..
                return ( true );
        default:
                return ( false );
        }
}

// Currently only asc implemented..
QArray<int> OContactAccessBackend_XML::sorted( bool asc,  int , int ,  int )
{
        QMap<QString, int> nameToUid;
        QStringList names;
        QArray<int> m_currentQuery( m_contactList.count() );

        // First fill map and StringList with all Names
        // Afterwards sort namelist and use map to fill array to return..
        QListIterator<OContact> it( m_contactList );
        for( ; it.current(); ++it ){
                names.append( (*it)->fileAs() + QString::number( (*it)->uid() ) );
                nameToUid.insert( (*it)->fileAs() + QString::number( (*it)->uid() ), (*it)->uid() );
        }
        names.sort();

        int i = 0;
        if ( asc ){
                for ( QStringList::Iterator it = names.begin(); it != names.end(); ++it )
                        m_currentQuery[i++] = nameToUid[ (*it) ];
        }else{
                for ( QStringList::Iterator it = names.end(); it != names.begin(); --it )
                        m_currentQuery[i++] = nameToUid[ (*it) ];
        }

        return m_currentQuery;

}

bool OContactAccessBackend_XML::add ( const OContact &newcontact )
{
        //qWarning("odefaultbackend: ACTION::ADD");
        updateJournal (newcontact, ACTION_ADD);
        addContact_p( newcontact );

        m_changed = true;

        return true;
}

bool OContactAccessBackend_XML::replace ( const OContact &contact )
{
        m_changed = true;

        OContact* found = m_uidToContact.find ( QString().setNum( contact.uid() ) );

        if ( found ) {
                OContact* newCont = new OContact( contact );

                updateJournal ( *newCont, ACTION_REPLACE);
                m_contactList.removeRef ( found );
                m_contactList.append ( newCont );
                m_uidToContact.remove( QString().setNum( contact.uid() ) );
                m_uidToContact.insert( QString().setNum( newCont->uid() ), newCont );

                qWarning("Nur zur Sicherheit: %d == %d ?",contact.uid(), newCont->uid());

                return true;
        } else
                return false;
}

bool OContactAccessBackend_XML::remove ( int uid )
{
        m_changed = true;

        OContact* found = m_uidToContact.find ( QString().setNum( uid ) );

        if ( found ) {
                updateJournal ( *found, ACTION_REMOVE);
                m_contactList.removeRef ( found );
                m_uidToContact.remove( QString().setNum( uid ) );

                return true;
        } else
                return false;
}

bool OContactAccessBackend_XML::reload(){
        /* Reload is the same as load in this implementation */
        return ( load() );
}

void OContactAccessBackend_XML::addContact_p( const OContact &newcontact )
{
        OContact* contRef = new OContact( newcontact );

        m_contactList.append ( contRef );
        m_uidToContact.insert( QString().setNum( newcontact.uid() ), contRef );
}

/* This function loads the xml-database and the journalfile */
bool OContactAccessBackend_XML::load( const QString filename, bool isJournal )
{

        /* We use the time of the last read to check if the file was
         * changed externally.
         */
        if ( !isJournal ){
                QFileInfo fi( filename );
                m_readtime = fi.lastModified ();
        }

        const int JOURNALACTION = Qtopia::Notes + 1;
        const int JOURNALROW = JOURNALACTION + 1;

        bool foundAction = false;
        journal_action action = ACTION_ADD;
        int journalKey = 0;
        QMap<int, QString> contactMap;
        QMap<QString, QString> customMap;
        QMap<QString, QString>::Iterator customIt;
        QAsciiDict<int> dict( 47 );

        dict.setAutoDelete( TRUE );
        dict.insert( "Uid", new int(Qtopia::AddressUid) );
        dict.insert( "Title", new int(Qtopia::Title) );
        dict.insert( "FirstName", new int(Qtopia::FirstName) );
        dict.insert( "MiddleName", new int(Qtopia::MiddleName) );
        dict.insert( "LastName", new int(Qtopia::LastName) );
        dict.insert( "Suffix", new int(Qtopia::Suffix) );
        dict.insert( "FileAs", new int(Qtopia::FileAs) );
        dict.insert( "Categories", new int(Qtopia::AddressCategory) );
        dict.insert( "DefaultEmail", new int(Qtopia::DefaultEmail) );
        dict.insert( "Emails", new int(Qtopia::Emails) );
        dict.insert( "HomeStreet", new int(Qtopia::HomeStreet) );
        dict.insert( "HomeCity", new int(Qtopia::HomeCity) );
        dict.insert( "HomeState", new int(Qtopia::HomeState) );
        dict.insert( "HomeZip", new int(Qtopia::HomeZip) );
        dict.insert( "HomeCountry", new int(Qtopia::HomeCountry) );
        dict.insert( "HomePhone", new int(Qtopia::HomePhone) );
        dict.insert( "HomeFax", new int(Qtopia::HomeFax) );
        dict.insert( "HomeMobile", new int(Qtopia::HomeMobile) );
        dict.insert( "HomeWebPage", new int(Qtopia::HomeWebPage) );
        dict.insert( "Company", new int(Qtopia::Company) );
        dict.insert( "BusinessStreet", new int(Qtopia::BusinessStreet) );
        dict.insert( "BusinessCity", new int(Qtopia::BusinessCity) );
        dict.insert( "BusinessState", new int(Qtopia::BusinessState) );
        dict.insert( "BusinessZip", new int(Qtopia::BusinessZip) );
        dict.insert( "BusinessCountry", new int(Qtopia::BusinessCountry) );
        dict.insert( "BusinessWebPage", new int(Qtopia::BusinessWebPage) );
        dict.insert( "JobTitle", new int(Qtopia::JobTitle) );
        dict.insert( "Department", new int(Qtopia::Department) );
        dict.insert( "Office", new int(Qtopia::Office) );
        dict.insert( "BusinessPhone", new int(Qtopia::BusinessPhone) );
        dict.insert( "BusinessFax", new int(Qtopia::BusinessFax) );
        dict.insert( "BusinessMobile", new int(Qtopia::BusinessMobile) );
        dict.insert( "BusinessPager", new int(Qtopia::BusinessPager) );
        dict.insert( "Profession", new int(Qtopia::Profession) );
        dict.insert( "Assistant", new int(Qtopia::Assistant) );
        dict.insert( "Manager", new int(Qtopia::Manager) );
        dict.insert( "Spouse", new int(Qtopia::Spouse) );
        dict.insert( "Children", new int(Qtopia::Children) );
        dict.insert( "Gender", new int(Qtopia::Gender) );
        dict.insert( "Birthday", new int(Qtopia::Birthday) );
        dict.insert( "Anniversary", new int(Qtopia::Anniversary) );
        dict.insert( "Nickname", new int(Qtopia::Nickname) );
        dict.insert( "Notes", new int(Qtopia::Notes) );
        dict.insert( "action", new int(JOURNALACTION) );
        dict.insert( "actionrow", new int(JOURNALROW) );

        //qWarning( "OContactDefaultBackEnd::loading %s", filename.latin1() );

        XMLElement *root = XMLElement::load( filename );
        if(root != 0l ){ // start parsing
                /* Parse all XML-Elements and put the data into the
                 * Contact-Class
                 */
                XMLElement *element = root->firstChild();
                //qWarning("OContactAccess::load tagName(): %s", root->tagName().latin1() );
                element = element->firstChild();

                /* Search Tag "Contacts" which is the parent of all Contacts */
                while( element && !isJournal ){
                        if( element->tagName() != QString::fromLatin1("Contacts") ){
                                //qWarning ("OContactDefBack::Searching for Tag \"Contacts\"! Found: %s",
                                //        element->tagName().latin1());
                                element = element->nextChild();
                        } else {
                                element = element->firstChild();
                                break;
                        }
                }
                /* Parse all Contacts and ignore unknown tags */
                while( element ){
                        if( element->tagName() != QString::fromLatin1("Contact") ){
                                //qWarning ("OContactDefBack::Searching for Tag \"Contact\"! Found: %s",
                                //        element->tagName().latin1());
                                element = element->nextChild();
                                continue;
                        }
                        /* Found alement with tagname "contact", now parse and store all
                         * attributes contained
                         */
                        //qWarning("OContactDefBack::load element tagName() : %s",
                        //       element->tagName().latin1() );
                        QString dummy;
                        foundAction = false;

                        XMLElement::AttributeMap aMap = element->attributes();
                        XMLElement::AttributeMap::Iterator it;
                        contactMap.clear();
                        customMap.clear();
                        for( it = aMap.begin(); it != aMap.end(); ++it ){
                                // qWarning ("Read Attribute: %s=%s", it.key().latin1(),it.data().latin1());

                                int *find = dict[ it.key() ];
                                /* Unknown attributes will be stored as "Custom" elements */
                                if ( !find ) {
                                        // qWarning("Attribute %s not known.", it.key().latin1());
                                        //contact.setCustomField(it.key(), it.data());
                                        customMap.insert( it.key(),  it.data() );
                                        continue;
                                }

                                /* Check if special conversion is needed and add attribute
                                 * into Contact class
                                 */
                                switch( *find ) {
                                        /*
                                          case Qtopia::AddressUid:
                                          contact.setUid( it.data().toInt() );
                                          break;
                                          case Qtopia::AddressCategory:
                                          contact.setCategories( Qtopia::Record::idsFromString( it.data( )));
                                          break;
                                        */
                                case JOURNALACTION:
                                        action = journal_action(it.data().toInt());
                                        foundAction = true;
                                        qWarning ("ODefBack(journal)::ACTION found: %d", action);
                                        break;
                                case JOURNALROW:
                                        journalKey = it.data().toInt();
                                        break;
                                default: // no conversion needed add them to the map
                                        contactMap.insert( *find, it.data() );
                                        break;
                                }
                        }
                        /* now generate the Contact contact */
                        OContact contact( contactMap );

                        for (customIt = customMap.begin(); customIt != customMap.end(); ++customIt ) {
                                contact.setCustomField( customIt.key(),  customIt.data() );
                        }

                        if (foundAction){
                                foundAction = false;
                                switch ( action ) {
                                case ACTION_ADD:
                                        addContact_p (contact);
                                        break;
                                case ACTION_REMOVE:
                                        if ( !remove (contact.uid()) )
                                                qWarning ("ODefBack(journal)::Unable to remove uid: %d",
                                                          contact.uid() );
                                        break;
                                case ACTION_REPLACE:
                                        if ( !replace ( contact ) )
                                                qWarning ("ODefBack(journal)::Unable to replace uid: %d",
                                                          contact.uid() );
                                        break;
                                default:
                                        qWarning ("Unknown action: ignored !");
                                        break;
                                }
                        }else{
                                /* Add contact to list */
                                addContact_p (contact);
                        }

                        /* Move to next element */
                        element = element->nextChild();
                }
        }else {
                qWarning("ODefBack::could not load");
        }
        delete root;
        qWarning("returning from loading" );
        return true;
}


void OContactAccessBackend_XML::updateJournal( const OContact& cnt,
                                               journal_action action )
{
        QFile f( m_journalName );
        bool created = !f.exists();
        if ( !f.open(IO_WriteOnly|IO_Append) )
                return;

        QString buf;
        QCString str;

        // if the file was created, we have to set the Tag "<CONTACTS>" to
        // get a XML-File which is readable by our parser.
        // This is just a cheat, but better than rewrite the parser.
        if ( created ){
                buf = "<Contacts>";
                QCString cstr = buf.utf8();
                f.writeBlock( cstr.data(), cstr.length() );
        }

        buf = "<Contact ";
        cnt.save( buf );
        buf += " action=\"" + QString::number( (int)action ) + "\" ";
        buf += "/>\n";
        QCString cstr = buf.utf8();
        f.writeBlock( cstr.data(), cstr.length() );
}

void OContactAccessBackend_XML::removeJournal()
{
        QFile f ( m_journalName );
        if ( f.exists() )
                f.remove();
}

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