/* $Id: RHBCIVersion.java,v 1.1 2011/05/04 22:37:57 willuhn Exp $
This file is part of HBCI4Java
Copyright (C) 2001-2008 Stefan Palme
HBCI4Java is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
HBCI4Java 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.kapott.hbci.rewrite;
import org.kapott.hbci.manager.HBCIUtils;
import org.kapott.hbci.manager.MsgGen;
import org.kapott.hbci.status.HBCIMsgStatus;
/** <p>Korrektur fehlender HBCI-Versionsnummern. Einige HBCI-Server
�bermitteln in Fehlernachrichten, die "globale" Fehler in der
Kundennachricht beschreiben, im Datenelement "HBCI-Version"
des Nachrichtenkopfes den Wert "0". Da <em>HBCI4Java</em> an
dieser Stelle immer den gleichen Wert wie in der gesendeten
Nachricht erwartet, wird in diesem Fall der
erwartete Wert eingetragen.</p>
<p>Die �berpr�fung, ob die HBCI-Versionsnummern in gesendeter und
empfangender Nachricht �bereinstimmen, kann mit dem Kernel-Parameter
<code>client.errors.ignoreMsgCheckErrors</code> abgeschaltet
werden (siehe dazu Beschreibung in
{@link org.kapott.hbci.manager.HBCIUtils})</p>*/
public class RHBCIVersion
extends Rewrite
{
public String incomingCrypted(String st,MsgGen gen)
{
int idx=st.indexOf("+");
if (idx!=-1) { // + after SegHead found
idx=st.indexOf("+",idx+1);
if (idx!=-1) { // + after msgsize found
int idx2=st.indexOf("+",idx+1);
if (idx2!=-1) { // + after hbciversion found
HBCIMsgStatus msgStatus=(HBCIMsgStatus)getData("msgStatus");
String msgName=(String)getData("msgName");
String version=st.substring(idx+1,idx2);
String origVersion=msgStatus.getData().getProperty("orig_"+msgName+".MsgHead.hbciversion");
if (version.length()==0 || version.equals("0")) {
HBCIUtils.log("received HBCI version of message ('"+version+"') is incorrect - replacing it with "+origVersion,
HBCIUtils.LOG_WARN);
st=new StringBuffer(st).replace(idx+1,idx2,origVersion).toString();
}
}
}
}
return st;
}
}