/****************************************************************************
* Copyright (C) 2012 ecsec GmbH.
* All rights reserved.
* Contact: ecsec GmbH (info@ecsec.de)
*
* This file is part of the Open eCard App.
*
* GNU General Public License Usage
* This file may be used under the terms of the GNU General Public
* License version 3.0 as published by the Free Software Foundation
* and appearing in the file LICENSE.GPL included in the packaging of
* this file. Please review the following information to ensure the
* GNU General Public License version 3.0 requirements will be met:
* http://www.gnu.org/copyleft/gpl.html.
*
* Other Usage
* Alternatively, this file may be used in accordance with the terms
* and conditions contained in a signed written agreement between
* you and ecsec GmbH.
*
***************************************************************************/
package org.openecard.common.tlv.iso7816;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.LinkedList;
import java.util.List;
import org.openecard.common.tlv.Parser;
import org.openecard.common.tlv.TLV;
import org.openecard.common.tlv.TLVException;
import org.openecard.common.tlv.Tag;
import org.openecard.common.tlv.TagClass;
/**
*
* @author Tobias Wich <tobias.wich@ecsec.de>
*/
public final class GenericPathOrObjects<KeyType extends TLVType> extends TLV {
private Path path;
private List<KeyType> objects;
private TLV ext;
public GenericPathOrObjects(TLV tlv, Class<KeyType> clazz) throws TLVException {
super(tlv);
Constructor<KeyType> c;
try {
c = clazz.getConstructor(TLV.class);
} catch (Exception ex) {
throw new TLVException("KeyType supplied doesn't have a constructor KeyType(TLV).");
}
Parser p = new Parser(tlv.getChild());
if (p.match(Tag.SEQUENCE_TAG)) {
path = new Path(p.next(0));
} else if (p.match(new Tag(TagClass.CONTEXT, false, 0))) {
Parser p1 = new Parser(p.next(0).getChild());
if (p1.match(Tag.SEQUENCE_TAG)) {
TLVList objectsList = new TLVList(p1.next(0));
objects = new LinkedList<KeyType>();
for (TLV nextT : objectsList.getContent()) {
try {
objects.add(c.newInstance(nextT));
} catch (InvocationTargetException ex) {
throw new TLVException(ex);
} catch (Exception ex) {
throw new TLVException("KeyType supplied doesn't have a constructor KeyType(TLV).");
}
}
}
} else if ((ext = p.next(0)) != null) {
// fine already assigned
} else {
throw new TLVException("No content in PathOrObject type.");
}
}
public boolean hasPath() {
return path != null;
}
public Path path() {
return path;
}
public boolean hasObjects() {
return objects != null;
}
public List<KeyType> objects() {
return objects;
}
}