/**
* 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.binding.soap.interceptor;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.xpath.XPathConstants;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.apache.cxf.binding.soap.Soap11;
import org.apache.cxf.binding.soap.Soap12;
import org.apache.cxf.binding.soap.SoapFault;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.helpers.XMLUtils;
import org.apache.cxf.helpers.XPathUtils;
import org.apache.cxf.interceptor.ClientFaultConverter;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.staxutils.FragmentStreamReader;
import org.apache.cxf.staxutils.StaxUtils;
import org.apache.cxf.staxutils.W3CDOMStreamReader;
public class Soap12FaultInInterceptor extends AbstractSoapInterceptor {
private static final Logger LOG = LogUtils.getL7dLogger(Soap12FaultInInterceptor.class);
public Soap12FaultInInterceptor() {
super(Phase.UNMARSHAL);
addBefore(ClientFaultConverter.class.getName());
}
public void handleMessage(SoapMessage message) throws Fault {
if (message.getVersion() == Soap11.getInstance()) {
new Soap11FaultInInterceptor().handleMessage(message);
return;
}
XMLStreamReader reader = message.getContent(XMLStreamReader.class);
message.setContent(Exception.class, unmarshalFault(message, reader));
}
public static SoapFault unmarshalFault(SoapMessage message,
XMLStreamReader reader) {
String exMessage = null;
QName faultCode = null;
List<QName> subCodes = null;
String role = null;
String node = null;
Element detail = null;
Map<String, String> ns = new HashMap<String, String>();
ns.put("s", Soap12.SOAP_NAMESPACE);
XPathUtils xu = new XPathUtils(ns);
try {
Node mainNode = message.getContent(Node.class);
Node fault = null;
if (reader instanceof W3CDOMStreamReader) {
W3CDOMStreamReader dr = (W3CDOMStreamReader)reader;
fault = dr.getCurrentElement();
dr.consumeFrame();
} else if (mainNode != null) {
Node bodyNode = (Node) xu.getValue("//s:Body",
mainNode,
XPathConstants.NODE);
StaxUtils.readDocElements(bodyNode.getOwnerDocument(),
bodyNode,
new FragmentStreamReader(reader),
false, false);
fault = (Element)xu.getValue("//s:Fault", bodyNode, XPathConstants.NODE);
} else {
fault = StaxUtils.read(new FragmentStreamReader(reader));
}
Element el = (Element)xu.getValue("//s:Fault/s:Code/s:Value",
fault,
XPathConstants.NODE);
if (el != null) {
faultCode = XMLUtils.getQName(el.getTextContent(), el);
}
el = (Element)xu.getValue("//s:Fault/s:Code/s:Subcode",
fault,
XPathConstants.NODE);
if (el != null) {
subCodes = new LinkedList<QName>();
NodeList vlist = el.getElementsByTagNameNS(Soap12.SOAP_NAMESPACE, "Value");
for (int i = 0; i < vlist.getLength(); i++) {
Node v = vlist.item(i);
subCodes.add(XMLUtils.getQName(v.getTextContent(), v));
}
}
exMessage = (String) xu.getValue("//s:Fault/s:Reason/s:Text/text()",
fault,
XPathConstants.STRING);
Node detailNode = (Node) xu.getValue("//s:Fault/s:Detail",
fault,
XPathConstants.NODE);
if (detailNode != null) {
detail = (Element) detailNode;
}
role = (String) xu.getValue("//s:Fault/s:Role/text()",
fault,
XPathConstants.STRING);
node = (String) xu.getValue("//s:Fault/s:Node/text()",
fault,
XPathConstants.STRING);
} catch (XMLStreamException e) {
throw new SoapFault("Could not parse message.",
e,
message.getVersion().getSender());
}
// if the fault's content is invalid and fautlCode is not found, blame the receiver
if (faultCode == null) {
faultCode = Soap12.getInstance().getReceiver();
exMessage = new Message("INVALID_FAULT", LOG).toString();
}
SoapFault fault = new SoapFault(exMessage, faultCode);
fault.setSubCodes(subCodes);
fault.setDetail(detail);
fault.setRole(role);
fault.setNode(node);
return fault;
}
}