001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.iso.packager;
020
021import org.jpos.iso.ISOComponent;
022import org.jpos.iso.ISOException;
023import org.jpos.iso.ISOMsg;
024import org.jpos.iso.ISOPackager;
025import org.jpos.util.Log;
026
027import java.io.InputStream;
028
029/** Stub {@link ISOPackager} that throws on every operation; used for testing wiring without packing. */
030public class DummyPackager extends Log implements ISOPackager {
031    /** Default constructor; no instance state to initialise. */
032    public DummyPackager() {}
033    public byte[] pack (ISOComponent m) throws ISOException {
034        throw new ISOException ("DummyPackager.pack N/A");
035    }
036    public int unpack (ISOComponent m, byte[] b) throws ISOException {
037        throw new ISOException ("DummyPackager.unpack N/A");
038    }
039    public void unpack (ISOComponent m, InputStream in) throws ISOException {
040        throw new ISOException ("DummyPackager.unpack N/A");
041    }
042    public String getFieldDescription(ISOComponent m, int fldNumber) {
043        return null;
044    }
045    public ISOMsg createISOMsg() {
046        return new ISOMsg();
047    }
048    public String getDescription () {
049        return getClass().getName();
050    }
051}