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org.apache.cxf.jaxws.DispatchImpl Maven / Gradle / Ivy
/**
* 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.jaxws;
import java.io.ByteArrayInputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
import java.util.logging.Logger;
import javax.activation.DataSource;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPFault;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Source;
import javax.xml.ws.AsyncHandler;
import javax.xml.ws.Binding;
import javax.xml.ws.BindingProvider;
import javax.xml.ws.Dispatch;
import javax.xml.ws.EndpointReference;
import javax.xml.ws.Holder;
import javax.xml.ws.Response;
import javax.xml.ws.Service;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.MessageContext.Scope;
import javax.xml.ws.http.HTTPBinding;
import javax.xml.ws.http.HTTPException;
import javax.xml.ws.soap.SOAPBinding;
import javax.xml.ws.soap.SOAPFaultException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.apache.cxf.binding.soap.model.SoapBindingInfo;
import org.apache.cxf.binding.soap.model.SoapOperationInfo;
import org.apache.cxf.binding.soap.saaj.SAAJInInterceptor;
import org.apache.cxf.binding.soap.saaj.SAAJOutInterceptor;
import org.apache.cxf.binding.soap.saaj.SAAJUtils;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.databinding.DataWriter;
import org.apache.cxf.endpoint.Client;
import org.apache.cxf.endpoint.ClientCallback;
import org.apache.cxf.endpoint.ClientImpl.IllegalEmptyResponseException;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.feature.Feature;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.interceptor.AttachmentOutInterceptor;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.jaxb.JAXBDataBinding;
import org.apache.cxf.jaxws.context.WrappedMessageContext;
import org.apache.cxf.jaxws.interceptors.MessageModeInInterceptor;
import org.apache.cxf.jaxws.interceptors.MessageModeOutInterceptor;
import org.apache.cxf.jaxws.support.JaxWsClientEndpointImpl;
import org.apache.cxf.jaxws.support.JaxWsEndpointImpl;
import org.apache.cxf.service.model.BindingInfo;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.MessageInfo;
import org.apache.cxf.service.model.MessageInfo.Type;
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.staxutils.DepthXMLStreamReader;
import org.apache.cxf.staxutils.StaxSource;
import org.apache.cxf.staxutils.StaxUtils;
import org.apache.cxf.ws.addressing.WSAddressingFeature;
public class DispatchImpl implements Dispatch, BindingProvider, Closeable {
private static final Logger LOG = LogUtils.getL7dLogger(DispatchImpl.class);
private static final String DISPATCH_NS = "http://cxf.apache.org/jaxws/dispatch";
private static final String INVOKE_NAME = "Invoke";
private static final String INVOKE_ONEWAY_NAME = "InvokeOneWay";
private static final QName INVOKE_QNAME = new QName(DISPATCH_NS, INVOKE_NAME);
private static final QName INVOKE_ONEWAY_QNAME = new QName(DISPATCH_NS, INVOKE_ONEWAY_NAME);
private final Binding binding;
private final EndpointReferenceBuilder builder;
private final Client client;
private final Class cl;
private final JAXBContext context;
private Message error;
private Service.Mode mode;
DispatchImpl(Client client, Service.Mode m, JAXBContext ctx, Class clazz) {
this.binding = ((JaxWsEndpointImpl)client.getEndpoint()).getJaxwsBinding();
this.builder = new EndpointReferenceBuilder((JaxWsEndpointImpl)client.getEndpoint());
this.client = client;
this.mode = m;
context = ctx;
cl = clazz;
setupEndpointAddressContext(client.getEndpoint());
addInvokeOperation(false);
addInvokeOperation(true);
if (m == Service.Mode.MESSAGE && binding instanceof SOAPBinding) {
if (DataSource.class.isAssignableFrom(clazz)) {
error = new Message("DISPATCH_OBJECT_NOT_SUPPORTED", LOG,
"DataSource",
m,
"SOAP/HTTP");
} else if (m == Service.Mode.MESSAGE) {
SAAJOutInterceptor saajOut = new SAAJOutInterceptor();
client.getOutInterceptors().add(saajOut);
client.getOutInterceptors().
add(new MessageModeOutInterceptor(saajOut,
client.getEndpoint()
.getBinding().getBindingInfo().getName()));
client.getInInterceptors().add(new SAAJInInterceptor());
client.getInInterceptors()
.add(new MessageModeInInterceptor(clazz,
client.getEndpoint()
.getBinding().getBindingInfo().getName()));
}
} else if (m == Service.Mode.PAYLOAD
&& binding instanceof SOAPBinding
&& SOAPMessage.class.isAssignableFrom(clazz)) {
error = new Message("DISPATCH_OBJECT_NOT_SUPPORTED", LOG,
"SOAPMessage",
m,
"SOAP/HTTP");
}
}
DispatchImpl(Client cl, Service.Mode m, Class clazz) {
this(cl, m, null, clazz);
}
private void addInvokeOperation(boolean oneWay) {
String name = oneWay ? INVOKE_ONEWAY_NAME : INVOKE_NAME;
ServiceInfo info = client.getEndpoint().getEndpointInfo().getService();
OperationInfo opInfo = info.getInterface()
.addOperation(oneWay ? INVOKE_ONEWAY_QNAME : INVOKE_QNAME);
MessageInfo mInfo = opInfo.createMessage(new QName(DISPATCH_NS, name + "Request"), Type.INPUT);
opInfo.setInput(name + "Request", mInfo);
MessagePartInfo mpi = mInfo.addMessagePart("parameters");
if (context == null) {
mpi.setTypeClass(cl);
}
mpi.setElement(true);
if (!oneWay) {
mInfo = opInfo.createMessage(new QName(DISPATCH_NS, name + "Response"), Type.OUTPUT);
opInfo.setOutput(name + "Response", mInfo);
mpi = mInfo.addMessagePart("parameters");
mpi.setElement(true);
if (context == null) {
mpi.setTypeClass(cl);
}
}
for (BindingInfo bind : client.getEndpoint().getEndpointInfo().getService().getBindings()) {
BindingOperationInfo bo = new BindingOperationInfo(bind, opInfo);
bind.addOperation(bo);
}
}
private void addInvokeOperation(QName operationName, boolean oneWay) {
ServiceInfo info = client.getEndpoint().getEndpointInfo().getService();
OperationInfo invokeOpInfo = info.getInterface()
.getOperation(oneWay ? INVOKE_ONEWAY_QNAME : INVOKE_QNAME);
OperationInfo opInfo = info.getInterface().addOperation(operationName);
opInfo.setInput(invokeOpInfo.getInputName(), invokeOpInfo.getInput());
if (!oneWay) {
opInfo.setOutput(invokeOpInfo.getOutputName(), invokeOpInfo.getOutput());
}
for (BindingInfo bind : client.getEndpoint().getEndpointInfo().getService().getBindings()) {
BindingOperationInfo bo = new BindingOperationInfo(bind, opInfo);
bind.addOperation(bo);
}
}
public Map getRequestContext() {
return new WrappedMessageContext(client.getRequestContext(),
null,
Scope.APPLICATION);
}
public Map getResponseContext() {
return new WrappedMessageContext(client.getResponseContext(),
null,
Scope.APPLICATION);
}
public Binding getBinding() {
return binding;
}
public EndpointReference getEndpointReference() {
return builder.getEndpointReference();
}
public X getEndpointReference(Class clazz) {
return builder.getEndpointReference(clazz);
}
private void setupEndpointAddressContext(Endpoint endpoint) {
//NOTE for jms transport the address would be null
if (null != endpoint
&& null != endpoint.getEndpointInfo().getAddress()) {
Map requestContext
= new WrappedMessageContext(client.getRequestContext(),
null,
Scope.APPLICATION);
requestContext.put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY,
endpoint.getEndpointInfo().getAddress());
}
}
public T invoke(T obj) {
return invoke(obj, false);
}
private void checkError() {
if (error != null) {
if (getBinding() instanceof SOAPBinding) {
SOAPFault soapFault = null;
try {
soapFault = JaxWsClientProxy.createSoapFault((SOAPBinding)getBinding(),
new Exception(error.toString()));
} catch (SOAPException e) {
//ignore
}
if (soapFault != null) {
throw new SOAPFaultException(soapFault);
}
} else if (getBinding() instanceof HTTPBinding) {
HTTPException exception = new HTTPException(HttpURLConnection.HTTP_INTERNAL_ERROR);
exception.initCause(new Exception(error.toString()));
throw exception;
}
throw new WebServiceException(error.toString());
}
}
private RuntimeException mapException(Exception ex) {
if (ex instanceof Fault && ex.getCause() instanceof IOException) {
throw new WebServiceException(ex.getMessage(), ex.getCause());
}
if (getBinding() instanceof HTTPBinding) {
HTTPException exception = new HTTPException(HttpURLConnection.HTTP_INTERNAL_ERROR);
exception.initCause(ex);
return exception;
} else if (getBinding() instanceof SOAPBinding) {
SOAPFault soapFault = null;
try {
soapFault = JaxWsClientProxy.createSoapFault((SOAPBinding)getBinding(), ex);
} catch (SOAPException e) {
//ignore
}
if (soapFault == null) {
return new WebServiceException(ex);
}
SOAPFaultException exception = new SOAPFaultException(soapFault);
exception.initCause(ex);
return exception;
}
return new WebServiceException(ex);
}
@SuppressWarnings("unchecked")
public T invoke(T obj, boolean isOneWay) {
checkError();
try {
if (obj instanceof SOAPMessage) {
SOAPMessage msg = (SOAPMessage)obj;
if (msg.countAttachments() > 0) {
client.getRequestContext().put(AttachmentOutInterceptor.WRITE_ATTACHMENTS, Boolean.TRUE);
}
} else if (context != null) {
Boolean unwrapProperty = obj instanceof JAXBElement ? Boolean.FALSE : Boolean.TRUE;
getRequestContext().put("unwrap.jaxb.element", unwrapProperty);
}
QName opName = (QName)getRequestContext().get(MessageContext.WSDL_OPERATION);
boolean hasOpName;
if (opName == null) {
hasOpName = false;
opName = isOneWay ? INVOKE_ONEWAY_QNAME : INVOKE_QNAME;
} else {
hasOpName = true;
BindingOperationInfo bop = client.getEndpoint().getBinding()
.getBindingInfo().getOperation(opName);
if (bop == null) {
addInvokeOperation(opName, isOneWay);
}
}
Holder holder = new Holder<>(obj);
opName = calculateOpName(holder, opName, hasOpName);
Object[] ret = client.invokeWrapped(opName, holder.value);
if (isOneWay || ret == null || ret.length == 0) {
return null;
}
return (T)ret[0];
} catch (IllegalEmptyResponseException ie) {
return null;
} catch (Exception ex) {
throw mapException(ex);
}
}
@SuppressWarnings("unchecked")
private QName calculateOpName(Holder holder, QName opName, boolean hasOpName) throws XMLStreamException {
boolean findDispatchOp = Boolean.TRUE.equals(getRequestContext().get("find.dispatch.operation"));
//CXF-2836 : find the operation for the dispatched object
// if findDispatchOp is already true, skip the addressing feature lookup.
// if the addressing feature is enabled, set findDispatchOp to true
if (!findDispatchOp) {
// the feature list to be searched is the endpoint and the bus's lists
List endpointFeatures
= ((JaxWsClientEndpointImpl)client.getEndpoint()).getFeatures();
List allFeatures;
if (client.getBus().getFeatures() != null) {
allFeatures = new ArrayList<>(endpointFeatures.size()
+ client.getBus().getFeatures().size());
allFeatures.addAll(endpointFeatures);
allFeatures.addAll(client.getBus().getFeatures());
} else {
allFeatures = endpointFeatures;
}
for (Feature feature : allFeatures) {
if (feature instanceof WSAddressingFeature) {
findDispatchOp = true;
}
}
}
Source createdSource = null;
Map payloadOPMap = createPayloadEleOpNameMap(
client.getEndpoint().getBinding().getBindingInfo(), hasOpName);
if (findDispatchOp && !payloadOPMap.isEmpty()) {
QName payloadElementName = null;
if (holder.value instanceof javax.xml.transform.Source) {
XMLStreamReader reader = null;
try {
reader = StaxUtils.createXMLStreamReader((javax.xml.transform.Source)holder.value);
Document document = StaxUtils.read(reader);
createdSource = new StaxSource(StaxUtils.createXMLStreamReader(document));
payloadElementName = getPayloadElementName(document.getDocumentElement());
} catch (Exception e) {
// ignore, we are trying to get the operation name
} finally {
StaxUtils.close(reader);
}
}
if (holder.value instanceof SOAPMessage) {
payloadElementName = getPayloadElementName((SOAPMessage)holder.value);
}
if (this.context != null) {
payloadElementName = getPayloadElementName(holder.value);
}
if (payloadElementName != null) {
if (hasOpName) {
// Verify the payload element against the given operation name.
// This allows graceful handling of non-standard WSDL definitions
// where different operations have the same payload element.
QName expectedElementName = payloadOPMap.get(opName.toString());
if (expectedElementName == null || !expectedElementName.toString().equals(
payloadElementName.toString())) {
// Verification of the provided operation name failed.
// Resolve the operation name from the payload element.
hasOpName = false;
payloadOPMap = createPayloadEleOpNameMap(
client.getEndpoint().getBinding().getBindingInfo(), hasOpName);
}
}
QName dispatchedOpName = null;
if (!hasOpName) {
dispatchedOpName = payloadOPMap.get(payloadElementName.toString());
}
if (null != dispatchedOpName) {
BindingOperationInfo dbop = client.getEndpoint().getBinding().getBindingInfo()
.getOperation(dispatchedOpName);
if (dbop != null) {
opName = dispatchedOpName;
}
}
}
}
if (createdSource != null) {
holder.value = (T)createdSource;
}
return opName;
}
public Future invokeAsync(T obj, AsyncHandler asyncHandler) {
checkError();
client.setExecutor(getClient().getEndpoint().getExecutor());
ClientCallback callback = new JaxwsClientCallback(asyncHandler, this) {
@Override
protected Throwable mapThrowable(Throwable t) {
if (t instanceof IOException) {
return t;
} else if (t instanceof Exception) {
t = mapException((Exception)t);
}
return t;
}
};
Response ret = new JaxwsResponseCallback<>(callback);
try {
boolean hasOpName;
QName opName = (QName)getRequestContext().get(MessageContext.WSDL_OPERATION);
if (opName == null) {
hasOpName = false;
opName = INVOKE_QNAME;
} else {
hasOpName = true;
BindingOperationInfo bop = client.getEndpoint().getBinding()
.getBindingInfo().getOperation(opName);
if (bop == null) {
addInvokeOperation(opName, false);
}
}
Holder holder = new Holder<>(obj);
opName = calculateOpName(holder, opName, hasOpName);
client.invokeWrapped(callback,
opName,
holder.value);
return ret;
} catch (Exception ex) {
throw mapException(ex);
}
}
@SuppressWarnings("unchecked")
public Response invokeAsync(T obj) {
return (Response)invokeAsync(obj, null);
}
public void invokeOneWay(T obj) {
invoke(obj, true);
}
public Client getClient() {
return client;
}
private QName getPayloadElementName(Element ele) {
XMLStreamReader xmlreader = StaxUtils.createXMLStreamReader(ele);
DepthXMLStreamReader reader = new DepthXMLStreamReader(xmlreader);
try {
if (this.mode == Service.Mode.PAYLOAD) {
StaxUtils.skipToStartOfElement(reader);
return reader.getName();
}
if (this.mode == Service.Mode.MESSAGE) {
StaxUtils.skipToStartOfElement(reader);
StaxUtils.toNextTag(reader,
new QName(ele.getNamespaceURI(), "Body"));
reader.nextTag();
return reader.getName();
}
} catch (XMLStreamException e) {
// ignore
}
return null;
}
private QName getPayloadElementName(SOAPMessage soapMessage) {
try {
// we only care about the first element node, not text nodes
Element element = DOMUtils.getFirstElement(SAAJUtils.getBody(soapMessage));
if (element != null) {
return DOMUtils.getElementQName(element);
}
} catch (Exception e) {
//ignore
}
return null;
}
private QName getPayloadElementName(Object object) {
JAXBDataBinding dataBinding = new JAXBDataBinding();
dataBinding.setContext(context);
DataWriter dbwriter = dataBinding.createWriter(XMLStreamWriter.class);
StringWriter stringWriter = new StringWriter();
XMLStreamWriter resultWriter = StaxUtils.createXMLStreamWriter(stringWriter);
DepthXMLStreamReader reader = null;
try {
dbwriter.write(object, resultWriter);
resultWriter.flush();
if (!StringUtils.isEmpty(stringWriter.toString())) {
ByteArrayInputStream binput = new ByteArrayInputStream(stringWriter.getBuffer().toString()
.getBytes());
XMLStreamReader xmlreader = StaxUtils.createXMLStreamReader(binput);
reader = new DepthXMLStreamReader(xmlreader);
StaxUtils.skipToStartOfElement(reader);
return reader.getName();
}
} catch (XMLStreamException e) {
// ignore
} finally {
try {
StaxUtils.close(reader);
} catch (XMLStreamException e) {
// ignore
}
StaxUtils.close(resultWriter);
}
return null;
}
private Map createPayloadEleOpNameMap(BindingInfo bindingInfo, boolean reverseMapping) {
Map payloadElementMap = new java.util.HashMap<>();
// assume a document binding style, which is default according to W3C spec on WSDL
String bindingStyle = "document";
// if the bindingInfo is a SOAPBindingInfo instance then we can see if it has a style
if (bindingInfo instanceof SoapBindingInfo) {
String tempStyle = ((SoapBindingInfo)bindingInfo).getStyle();
if (tempStyle != null) {
bindingStyle = tempStyle;
}
}
for (BindingOperationInfo bop : bindingInfo.getOperations()) {
SoapOperationInfo soi = bop.getExtensor(SoapOperationInfo.class);
if (soi != null) {
// operation style overrides binding style, if present
String operationStyle = soi.getStyle() != null ? soi.getStyle() : bindingStyle;
if ("document".equals(operationStyle)) {
// if doc
if (bop.getOperationInfo().getInput() != null
&& bop.getOperationInfo().getInput().getMessagePartsNumber() > 0) {
QName qn = bop.getOperationInfo().getInput().getMessagePartByIndex(0)
.getElementQName();
QName op = bop.getOperationInfo().getName();
if (reverseMapping) {
payloadElementMap.put(op.toString(), qn);
} else {
payloadElementMap.put(qn.toString(), op);
}
}
} else if ("rpc".equals(operationStyle)) {
// if rpc
QName op = bop.getOperationInfo().getName();
payloadElementMap.put(op.toString(), op);
}
}
}
return payloadElementMap;
}
public void close() throws IOException {
client.destroy();
}
}
