/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.picketlink.identity.federation.core.parsers.wst;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.StartElement;
import org.picketlink.identity.federation.PicketLinkLogger;
import org.picketlink.identity.federation.PicketLinkLoggerFactory;
import org.picketlink.identity.federation.core.exceptions.ParsingException;
import org.picketlink.identity.federation.core.parsers.ParserNamespaceSupport;
import org.picketlink.identity.federation.core.parsers.util.StaxParserUtil;
import org.picketlink.identity.federation.core.wstrust.WSTrustConstants;
import org.picketlink.identity.federation.ws.trust.CancelTargetType;
/**
* Stax parser for the wst:CancelTarget element
*
* @author Anil.Saldhana@redhat.com
* @since Oct 13, 2010
*/
public class WSTCancelTargetParser implements ParserNamespaceSupport {
private static final PicketLinkLogger logger = PicketLinkLoggerFactory.getLogger();
/**
* @see {@link ParserNamespaceSupport#parse(XMLEventReader)}
*/
public Object parse(XMLEventReader xmlEventReader) throws ParsingException {
CancelTargetType cancelTarget = new CancelTargetType();
StartElement startElement = StaxParserUtil.peekNextStartElement(xmlEventReader);
// null start element indicates that the token to be canceled hasn't been specified.
if (startElement == null) {
throw logger.parserUnableParsingNullToken();
}
// this is an unknown type - parse using the transformer.
try {
cancelTarget.add(StaxParserUtil.getDOMElement(xmlEventReader));
} catch (Exception e) {
throw logger.parserError(e);
}
return cancelTarget;
}
/**
* @see {@link ParserNamespaceSupport#supports(QName)}
*/
public boolean supports(QName qname) {
String nsURI = qname.getNamespaceURI();
String localPart = qname.getLocalPart();
return WSTrustConstants.BASE_NAMESPACE.equals(nsURI) && WSTrustConstants.CANCEL_TARGET.equals(localPart);
}
}