org.kapott.hbci.rewrite.RInvalidSuppHBCIVersion Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of hbci4j-adorsys Show documentation

HBCI4j - Home Banking Computer Interface for Java - Clone from https://github.com/hbci4j/hbci4java

There is a newer version: 3.5.46

/*  $Id: RInvalidSuppHBCIVersion.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 lombok.extern.slf4j.Slf4j;
import org.kapott.hbci.manager.HBCIUtils;
import org.kapott.hbci.protocol.Message;
import org.kapott.hbci.protocol.SyntaxElement;
import org.w3c.dom.Document;

@Slf4j
public class RInvalidSuppHBCIVersion extends Rewrite {

    // TODO: den rewriter umschreiben, so dass er nur string-operationen
    // benutzt, weil nicht sichergestellt werden kann, dass die eingehende
    // nachricht hier tatsächlich schon geparst werden kann
    @Override
    public String incomingClearText(String st, Document document, String msgName) {
        // empfangene Nachricht parsen, dabei die validvalues-Überprüfung weglassen
        String myMsgName = msgName + "Res";
        Message msg = new Message(myMsgName, st, document,
            Message.DONT_CHECK_SEQ, Message.DONT_CHECK_VALIDS);

        // in einer Schleife durch alle SuppVersions-Datensätze laufen
        for (int i = 0; ; i++) {
            String elemName = HBCIUtils.withCounter(myMsgName + ".BPD.BPA.SuppVersions.version", i);
            SyntaxElement elem = msg.getElement(elemName);

            if (elem == null) {
                break;
            }

            // Versionsnummer extrahieren
            String version = elem.toString();
            if (version.equals("2")) { // "2" ist ungültige Versionsnummer
                log.warn("there is an invalid hbci version number ('2') in this BPD - replacing it with '210'");

                // versionsnummer "2" im string durch "210" ersetzen
                int startpos = elem.getPosInMsg() + 1;  // +1 wegen überspringen des pre-delimiters
                st = new StringBuffer(st).replace(startpos, startpos + 1, "210").toString();
                log.debug("new message after replacing: " + st);
                break;
            }
        }
        return st;
    }
}