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/**
* 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.net.URI;
import java.net.URISyntaxException;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.databinding.DataReader;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.interceptor.AbstractInDatabindingInterceptor;
import org.apache.cxf.interceptor.BareInInterceptor;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.URIMappingInterceptor;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageContentsList;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.model.BindingInfo;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.MessageInfo;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.service.model.OperationInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.cxf.service.model.ServiceModelUtil;
import org.apache.cxf.staxutils.DepthXMLStreamReader;
import org.apache.cxf.staxutils.StaxUtils;
import org.apache.cxf.tools.common.extensions.soap.SoapBody;
public class RPCInInterceptor extends AbstractInDatabindingInterceptor {
private static final QName SOAP12_RESULT = new QName("http://www.w3.org/2003/05/soap-rpc",
"result");
private static final Logger LOG = LogUtils.getL7dLogger(RPCInInterceptor.class);
public RPCInInterceptor() {
super(Phase.UNMARSHAL);
addAfter(URIMappingInterceptor.class.getName());
}
private BindingOperationInfo getOperation(Message message, QName opName) {
BindingOperationInfo bop = ServiceModelUtil.getOperation(message.getExchange(), opName);
if (bop == null) {
Endpoint ep = message.getExchange().get(Endpoint.class);
if (ep == null) {
return null;
}
BindingInfo service = ep.getEndpointInfo().getBinding();
boolean output = !isRequestor(message);
for (BindingOperationInfo info : service.getOperations()) {
if (info.getName().getLocalPart().equals(opName.getLocalPart())) {
SoapBody body = null;
if (output) {
body = info.getOutput().getExtensor(SoapBody.class);
} else {
body = info.getInput().getExtensor(SoapBody.class);
}
if (body != null
&& opName.getNamespaceURI().equals(body.getNamespaceURI())) {
return info;
}
}
}
}
return bop;
}
public void handleMessage(Message message) {
if (isGET(message)) {
LOG.fine("RPCInInterceptor skipped in HTTP GET method");
return;
}
DepthXMLStreamReader xmlReader = getXMLStreamReader(message);
BindingOperationInfo operation = null;
if (!StaxUtils.toNextElement(xmlReader)) {
message.setContent(Exception.class, new RuntimeException("There must be a method name element."));
}
String opName = xmlReader.getLocalName();
if (isRequestor(message) && opName.endsWith("Response")) {
opName = opName.substring(0, opName.length() - 8);
}
if (message.getExchange().get(BindingOperationInfo.class) == null) {
operation = getOperation(message, new QName(xmlReader.getNamespaceURI(), opName));
if (operation == null) {
// it's doc-lit-bare
new BareInInterceptor().handleMessage(message);
return;
} else {
setMessage(message, operation);
}
} else {
operation = message.getExchange().get(BindingOperationInfo.class);
}
MessageInfo msg;
DataReader dr = getDataReader(message, XMLStreamReader.class);
if (!isRequestor(message)) {
msg = operation.getOperationInfo().getInput();
} else {
msg = operation.getOperationInfo().getOutput();
}
message.put(MessageInfo.class, msg);
MessageContentsList parameters = new MessageContentsList();
StaxUtils.nextEvent(xmlReader);
boolean hasNext = true;
Iterator itr = msg.getMessageParts().iterator();
while (itr.hasNext()) {
MessagePartInfo part = itr.next();
if (hasNext) {
hasNext = StaxUtils.toNextElement(xmlReader);
}
if (hasNext) {
QName qn = xmlReader.getName();
if (qn.equals(SOAP12_RESULT)) {
//just ignore this. The parts should work correctly.
try {
while (xmlReader.getEventType() != XMLStreamReader.END_ELEMENT) {
xmlReader.next();
}
xmlReader.next();
} catch (XMLStreamException e) {
//ignore
}
StaxUtils.toNextElement(xmlReader);
qn = xmlReader.getName();
}
// WSI-BP states that RPC/Lit part accessors should be completely unqualified
// However, older toolkits (Axis 1.x) are qualifying them. We'll go
// ahead and just match on the localpart. The RPCOutInterceptor
// will always generate WSI-BP compliant messages so it's unknown if
// the non-WSI-BP toolkits will be able to understand the CXF
// generated messages if they are expecting it to be qualified.
Iterator partItr = msg.getMessageParts().iterator();
while (!qn.getLocalPart().equals(part.getConcreteName().getLocalPart())
&& partItr.hasNext()) {
part = partItr.next();
}
if (!qn.equals(part.getConcreteName())) {
throw new Fault(
new org.apache.cxf.common.i18n.Message(
"UNKNOWN_RPC_LIT_PART",
LOG,
qn));
}
try {
parameters.put(part, dr.read(part, xmlReader));
} catch (Fault f) {
if (!isRequestor(message)) {
f.setFaultCode(Fault.FAULT_CODE_CLIENT);
}
throw f;
}
}
}
message.setContent(List.class, parameters);
}
private void setMessage(Message message,
BindingOperationInfo operation) {
Exchange ex = message.getExchange();
ex.put(BindingOperationInfo.class, operation);
ex.put(OperationInfo.class, operation.getOperationInfo());
ex.setOneWay(operation.getOperationInfo().isOneWay());
//Set standard MessageContext properties required by JAX_WS, but not specific to JAX_WS.
message.put(Message.WSDL_OPERATION, operation.getName());
ServiceInfo si = operation.getBinding().getService();
QName serviceQName = si.getName();
message.put(Message.WSDL_SERVICE, serviceQName);
QName interfaceQName = si.getInterface().getName();
message.put(Message.WSDL_INTERFACE, interfaceQName);
EndpointInfo endpointInfo = ex.get(Endpoint.class).getEndpointInfo();
QName portQName = endpointInfo.getName();
message.put(Message.WSDL_PORT, portQName);
URI wsdlDescription = endpointInfo.getProperty("URI", URI.class);
if (wsdlDescription == null) {
String address = endpointInfo.getAddress();
try {
wsdlDescription = new URI(address + "?wsdl");
} catch (URISyntaxException e) {
//do nothing
}
endpointInfo.setProperty("URI", wsdlDescription);
}
message.put(Message.WSDL_DESCRIPTION, wsdlDescription);
}
}