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*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.picketlink.identity.federation.core.parsers.wst;
import org.picketlink.common.PicketLinkLogger;
import org.picketlink.common.PicketLinkLoggerFactory;
import org.picketlink.common.constants.WSTrustConstants;
import org.picketlink.common.exceptions.ParsingException;
import org.picketlink.common.parsers.ParserNamespaceSupport;
import org.picketlink.common.util.StaxParserUtil;
import org.picketlink.identity.federation.ws.trust.CancelTargetType;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.StartElement;
/**
* 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);
}
}