/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.ws.eventing.shared.handlers;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;
import org.w3c.dom.Element;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.ws.eventing.shared.EventingConstants;
/**
* Subscription reference parsing handler is a SOAP handler on the Subscription Manager's side
* which takes care of parsing the reference parameters and retrieving the subscription
* ID from SOAP headers before the message is passed to the Subscription Manager itself.
* In handleMessage method, it is supposed to retrieve the UUID of the subscription and
* save it into the SOAPMessageContext as a String with the key 'uuid'
*/
public class SubscriptionReferenceParsingHandler implements SOAPHandler<SOAPMessageContext> {
private static final Logger LOG = LogUtils.getLogger(SubscriptionReferenceParsingHandler.class);
private final String namespace;
private final String elementName;
public SubscriptionReferenceParsingHandler(String namespace, String elementName) {
this.namespace = namespace;
this.elementName = elementName;
}
public SubscriptionReferenceParsingHandler() {
this.namespace = EventingConstants.SUBSCRIPTION_ID_DEFAULT_NAMESPACE;
this.elementName = EventingConstants.SUBSCRIPTION_ID_DEFAULT_ELEMENT_NAME;
}
@Override
public Set<QName> getHeaders() {
return null;
}
@Override
public boolean handleMessage(SOAPMessageContext context) {
// we are interested only in inbound messages here
if ((Boolean)context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY)) {
return true;
}
try {
// read headers
LOG.finer("Examining header elements");
Element el = DOMUtils.getFirstElement(context.getMessage().getSOAPHeader());
while (el != null) {
if (el.getNamespaceURI().equals(namespace)
&& el.getLocalName().equals(elementName)) {
LOG.log(Level.FINE, "found UUID parameter in header, uuid={0}", el.getTextContent());
context.put("uuid", el.getTextContent());
}
el = DOMUtils.getNextElement(el);
}
} catch (SOAPException e) {
throw new RuntimeException(e);
}
return true;
}
@Override
public boolean handleFault(SOAPMessageContext context) {
return true;
}
@Override
public void close(MessageContext context) {
}
}