/*
* 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.ode.jbi.msgmap;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import javax.jbi.messaging.MessagingException;
import javax.jbi.messaging.NormalizedMessage;
import javax.wsdl.Fault;
import javax.wsdl.Operation;
import javax.wsdl.Part;
import javax.xml.namespace.QName;
import javax.xml.transform.dom.DOMSource;
import org.apache.ode.bpel.iapi.Message;
import org.apache.ode.utils.DOMUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* Mapper for converting ODE messages to NMS messages using the WSDL 11 wrapper
* format.
*/
public class JbiWsdl11WrapperMapper extends BaseXmlMapper implements Mapper {
public static final String URI_WSDL11_WRAPPER = "http://java.sun.com/xml/ns/jbi/wsdl-11-wrapper";
public static final QName WSDL11_W_MESSAGE = new QName(URI_WSDL11_WRAPPER, "message");
public JbiWsdl11WrapperMapper() {
}
public Recognized isRecognized(NormalizedMessage nmsMsg, Operation op) {
Element srcel;
try {
srcel = parse(nmsMsg.getContent());
} catch (MessageTranslationException e) {
// Well, maybe it is not XML.
if (__log.isDebugEnabled())
__log.debug("Exception parsing NMS message.", e);
return Recognized.FALSE;
}
QName srcName = new QName(srcel.getNamespaceURI(), srcel.getLocalName());
return WSDL11_W_MESSAGE.equals(srcName) ? Recognized.TRUE : Recognized.FALSE;
}
/**
*
* Convert ODE normalized message to JBI normalized "WSDL 1.1 Wrapper"
* format.
*/
public void toNMS(NormalizedMessage nmsMsg, Message odeMsg, javax.wsdl.Message msgdef, QName fault) throws MessagingException {
if (msgdef == null)
throw new NullPointerException("Null MessageDef");
if (odeMsg == null)
throw new NullPointerException("Null src.");
if (__log.isTraceEnabled())
__log.trace("toNMS(odeMsg=" + odeMsg + ")");
Element srcMsgEl = odeMsg.getMessage();
Document doc = newDocument();
Element dstMsgEl = doc.createElementNS(URI_WSDL11_WRAPPER, "message");
doc.appendChild(dstMsgEl);
// The JBI NMS required attributes.
dstMsgEl.setAttributeNS(DOMUtils.NS_URI_XMLNS, "xmlns:msgns", odeMsg.getType().getNamespaceURI());
dstMsgEl.setAttribute("version", "1.0");
dstMsgEl.setAttribute("type", "msgns:" + odeMsg.getType().getLocalPart());
// The parts (hopefully they are in order, as NMS does not identify
// them!)
Element srcPartEl = DOMUtils.getFirstChildElement(srcMsgEl);
while (srcPartEl != null) {
Element dstPartEl = doc.createElementNS(URI_WSDL11_WRAPPER, "part");
dstMsgEl.appendChild(dstPartEl);
Node srccontent = srcPartEl.getFirstChild();
while (srccontent != null) {
dstPartEl.appendChild(doc.importNode(srccontent, true));
srccontent = srccontent.getNextSibling();
}
srcPartEl = DOMUtils.getNextSiblingElement(srcPartEl);
}
nmsMsg.setContent(new DOMSource(doc));
}
@SuppressWarnings("unchecked")
public void toODE(Message dest, NormalizedMessage src, javax.wsdl.Message msgdef)
throws MessageTranslationException {
if (msgdef == null)
throw new NullPointerException("Null MessageDef");
if (dest == null)
throw new NullPointerException("Null dest.");
if (src == null)
throw new NullPointerException("Null src.");
if (__log.isTraceEnabled())
__log.trace("convertMessage<toODE>(dest=" + dest + ",src=" + src);
Element srcel = parse(src.getContent());
Document odemsgdoc = newDocument();
Element odemsg = odemsgdoc.createElement("message");
odemsgdoc.appendChild(odemsg);
List<Part> expectedParts = msgdef.getOrderedParts(null);
Element srcpart = DOMUtils.getFirstChildElement(srcel);
for (int i = 0; i < expectedParts.size(); ++i) {
Part pdef = expectedParts.get(i);
Element p = odemsgdoc.createElement(pdef.getName());
odemsg.appendChild(p);
if (srcpart != null) {
NodeList nl = srcpart.getChildNodes();
for (int j = 0; j < nl.getLength(); ++j)
p.appendChild(odemsgdoc.importNode(nl.item(j), true));
srcpart = DOMUtils.getNextSiblingElement(srcpart);
} else {
__log.error("Improperly formatted message, missing part: " + pdef.getName());
}
}
dest.setMessage(odemsg);
}
@SuppressWarnings("unchecked")
public Fault toFaultType(javax.jbi.messaging.Fault jbiFlt, Collection<Fault> faults) throws MessageTranslationException {
if (jbiFlt == null)
throw new NullPointerException("Null jbiFlt.");
if (faults == null)
throw new NullPointerException("Null faults.");
if (__log.isTraceEnabled())
__log.trace("toFaultType(jbiFlt=" + jbiFlt + ")");
final QName partElName = new QName(URI_WSDL11_WRAPPER, "part");
List<QName> eltypes = new LinkedList<QName>();
// Figure out what we have in the message we just got.
Element srcel = parse(jbiFlt.getContent());
Node n = srcel.getFirstChild();
while (n != null) {
if (n.getNodeType() == Node.ELEMENT_NODE) {
QName elName = new QName(n.getNamespaceURI(),n.getLocalName());
if (!elName.equals(partElName)) {
String err = "Invalid NMS message format, expected " + partElName + " but found " + elName;
__log.error(err);
throw new MessageTranslationException(err);
}
Element pdata = DOMUtils.getFirstChildElement((Element) n);
if (pdata == null)
eltypes.add(null);
else
eltypes.add(new QName(pdata.getNamespaceURI(),pdata.getLocalName()));
}
n = n.getNextSibling();
}
// See if it matches what we expect the faults to look like (first one wins!)
fltiter:for (Fault f : faults) {
if (f.getMessage() == null && eltypes.isEmpty())
return f;
if (f.getMessage().getParts().size() != eltypes.size())
continue;
List<Part> expectedParts = f.getMessage().getOrderedParts(null);
int i = 0;
for (Part p : expectedParts) {
if (eltypes.size() <= i)
continue fltiter;
QName etype = eltypes.get(i++);
if ((p.getElementName() == null) ^ (etype == null))
continue fltiter;
if (etype == null && p.getElementName() == null)
continue;
if (etype.equals(p.getElementName()))
continue;
}
return f;
}
// None of the faults has been recognized.
return null;
}
}