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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.ws.addressing.impl;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.Executor;
import java.util.concurrent.RejectedExecutionException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import org.apache.cxf.Bus;
import org.apache.cxf.binding.soap.SoapBindingConstants;
import org.apache.cxf.binding.soap.model.SoapOperationInfo;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.endpoint.ConduitSelector;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.endpoint.NullConduitSelector;
import org.apache.cxf.endpoint.PreexistingConduitSelector;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.interceptor.OutgoingChainInterceptor;
import org.apache.cxf.io.DelegatingInputStream;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
import org.apache.cxf.phase.PhaseInterceptorChain;
import org.apache.cxf.service.model.BindingFaultInfo;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.Extensible;
import org.apache.cxf.service.model.FaultInfo;
import org.apache.cxf.service.model.MessageInfo;
import org.apache.cxf.transport.Conduit;
import org.apache.cxf.transport.ConduitInitiator;
import org.apache.cxf.transport.ConduitInitiatorManager;
import org.apache.cxf.transport.Destination;
import org.apache.cxf.transport.MessageObserver;
import org.apache.cxf.workqueue.OneShotAsyncExecutor;
import org.apache.cxf.workqueue.SynchronousExecutor;
import org.apache.cxf.workqueue.WorkQueueManager;
import org.apache.cxf.ws.addressing.AddressingProperties;
import org.apache.cxf.ws.addressing.AttributedURIType;
import org.apache.cxf.ws.addressing.ContextUtils;
import org.apache.cxf.ws.addressing.EndpointReferenceType;
import org.apache.cxf.ws.addressing.JAXWSAConstants;
import org.apache.cxf.ws.addressing.Names;
import org.apache.cxf.wsdl.EndpointReferenceUtils;
/**
* Holder for utility methods relating to contexts.
*/
final class InternalContextUtils {
private static final Logger LOG = LogUtils.getL7dLogger(InternalContextUtils.class);
/**
* Prevents instantiation.
*/
private InternalContextUtils() {
}
/**
* Rebase response on replyTo
*
* @param reference the replyTo reference
* @param inMAPs the inbound MAPs
* @param inMessage the current message
*/
//CHECKSTYLE:OFF Max executable statement count limitation
public static void rebaseResponse(EndpointReferenceType reference,
AddressingProperties inMAPs,
final Message inMessage) {
String namespaceURI = inMAPs.getNamespaceURI();
if (!ContextUtils.retrievePartialResponseSent(inMessage)) {
ContextUtils.storePartialResponseSent(inMessage);
Exchange exchange = inMessage.getExchange();
Message fullResponse = exchange.getOutMessage();
Message partialResponse = ContextUtils.createMessage(exchange);
ensurePartialResponseMAPs(partialResponse, namespaceURI);
// ensure the inbound MAPs are available in the partial response
// message (used to determine relatesTo etc.)
ContextUtils.propogateReceivedMAPs(inMAPs, partialResponse);
Destination target = inMessage.getDestination();
if (target == null) {
return;
}
try {
if (reference == null) {
reference = ContextUtils.getNoneEndpointReference();
}
Conduit backChannel = target.getBackChannel(inMessage,
partialResponse,
reference);
Exception exception = inMessage.getContent(Exception.class);
//Add this to handle two way faultTo
//TODO:Look at how to refactor
if (backChannel != null && !inMessage.getExchange().isOneWay()
&& ContextUtils.isFault(inMessage)) {
// send the fault message to faultTo Endpoint
exchange.setOutMessage(ContextUtils.createMessage(exchange));
exchange.put(ConduitSelector.class, new NullConduitSelector());
exchange.put("org.apache.cxf.http.no_io_exceptions", true);
Destination destination = createDecoupledDestination(exchange, reference);
exchange.setDestination(destination);
if (ContextUtils.retrieveAsyncPostResponseDispatch(inMessage)) {
DelegatingInputStream in = inMessage.getContent(DelegatingInputStream.class);
if (in != null) {
in.cacheInput();
}
inMessage.getInterceptorChain().reset();
//cleanup pathinfo
if (inMessage.get(Message.PATH_INFO) != null) {
inMessage.remove(Message.PATH_INFO);
}
inMessage.getInterceptorChain().doIntercept(inMessage);
}
// send the partial response to requester
partialResponse.put("forced.faultstring",
"The server sent HTTP status code :"
+ inMessage.getExchange().get(Message.RESPONSE_CODE));
partialResponse.setContent(Exception.class, exception);
partialResponse.put(org.apache.cxf.message.Message.PROTOCOL_HEADERS,
inMessage.get(Message.PROTOCOL_HEADERS));
partialResponse.put(org.apache.cxf.message.Message.ENCODING,
inMessage.get(Message.ENCODING));
partialResponse.put(ContextUtils.ACTION, inMessage.get(ContextUtils.ACTION));
partialResponse.put("javax.xml.ws.addressing.context.inbound",
inMessage.get("javax.xml.ws.addressing.context.inbound"));
partialResponse.put("javax.xml.ws.addressing.context.outbound",
inMessage.get("javax.xml.ws.addressing.context.outbound"));
exchange.setOutMessage(partialResponse);
PhaseInterceptorChain newChian = ((PhaseInterceptorChain)inMessage.getInterceptorChain())
.cloneChain();
partialResponse.setInterceptorChain(newChian);
exchange.setDestination(target);
exchange.setOneWay(false);
exchange.put(ConduitSelector.class,
new PreexistingConduitSelector(backChannel, exchange.get(Endpoint.class)));
if (newChian != null && !newChian.doIntercept(partialResponse)
&& partialResponse.getContent(Exception.class) != null) {
if (partialResponse.getContent(Exception.class) instanceof Fault) {
throw (Fault)partialResponse.getContent(Exception.class);
} else {
throw new Fault(partialResponse.getContent(Exception.class));
}
}
return;
}
if (backChannel != null) {
partialResponse.put(Message.PARTIAL_RESPONSE_MESSAGE, Boolean.TRUE);
partialResponse.put(Message.EMPTY_PARTIAL_RESPONSE_MESSAGE, Boolean.TRUE);
boolean robust =
MessageUtils.isTrue(inMessage.getContextualProperty(Message.ROBUST_ONEWAY));
if (robust) {
BindingOperationInfo boi = exchange.get(BindingOperationInfo.class);
// insert the executor in the exchange to fool the OneWayProcessorInterceptor
exchange.put(Executor.class, getExecutor(inMessage));
// pause dispatch on current thread and resume...
inMessage.getInterceptorChain().pause();
inMessage.getInterceptorChain().resume();
MessageObserver faultObserver = inMessage.getInterceptorChain().getFaultObserver();
if (null != inMessage.getContent(Exception.class) && null != faultObserver) {
// return the fault over the response fault channel
inMessage.getExchange().setOneWay(false);
faultObserver.onMessage(inMessage);
return;
}
// restore the BOI for the partial response handling
exchange.put(BindingOperationInfo.class, boi);
}
// set up interceptor chains and send message
InterceptorChain chain =
fullResponse != null
? fullResponse.getInterceptorChain()
: OutgoingChainInterceptor.getOutInterceptorChain(exchange);
exchange.setOutMessage(partialResponse);
partialResponse.setInterceptorChain(chain);
exchange.put(ConduitSelector.class,
new PreexistingConduitSelector(backChannel,
exchange.get(Endpoint.class)));
if (chain != null && !chain.doIntercept(partialResponse)
&& partialResponse.getContent(Exception.class) != null) {
if (partialResponse.getContent(Exception.class) instanceof Fault) {
throw (Fault)partialResponse.getContent(Exception.class);
} else {
throw new Fault(partialResponse.getContent(Exception.class));
}
}
if (chain != null) {
chain.reset();
}
exchange.put(ConduitSelector.class, new NullConduitSelector());
if (fullResponse == null) {
fullResponse = ContextUtils.createMessage(exchange);
}
exchange.setOutMessage(fullResponse);
Destination destination = createDecoupledDestination(
exchange,
reference);
exchange.setDestination(destination);
if (ContextUtils.retrieveAsyncPostResponseDispatch(inMessage) && !robust) {
//need to suck in all the data from the input stream as
//the transport might discard any data on the stream when this
//thread unwinds or when the empty response is sent back
DelegatingInputStream in = inMessage.getContent(DelegatingInputStream.class);
if (in != null) {
in.cacheInput();
}
// async service invocation required *after* a response
// has been sent (i.e. to a oneway, or a partial response
// to a decoupled twoway)
//cleanup pathinfo
if (inMessage.get(Message.PATH_INFO) != null) {
inMessage.remove(Message.PATH_INFO);
}
// pause dispatch on current thread ...
inMessage.getInterceptorChain().pause();
try {
// ... and resume on executor thread
getExecutor(inMessage).execute(new Runnable() {
public void run() {
inMessage.getInterceptorChain().resume();
}
});
} catch (RejectedExecutionException e) {
LOG.warning(
"Executor queue is full, use the caller thread."
+ " Users can specify a larger executor queue to avoid this.");
// only block the thread if the prop is unset or set to false, otherwise let it go
if (!MessageUtils.isTrue(
inMessage.getContextualProperty(
"org.apache.cxf.oneway.rejected_execution_exception"))) {
//the executor queue is full, so run the task in the caller thread
inMessage.getInterceptorChain().resume();
}
}
}
}
} catch (Exception e) {
LOG.log(Level.WARNING, "SERVER_TRANSPORT_REBASE_FAILURE_MSG", e);
}
}
}
//CHECKSTYLE:ON
public static Destination createDecoupledDestination(
Exchange exchange, final EndpointReferenceType reference) {
final EndpointInfo ei = exchange.get(Endpoint.class).getEndpointInfo();
return new Destination() {
public EndpointReferenceType getAddress() {
return reference;
}
public Conduit getBackChannel(Message inMessage, Message partialResponse,
EndpointReferenceType address) throws IOException {
Bus bus = inMessage.getExchange().get(Bus.class);
//this is a response targeting a decoupled endpoint. Treat it as a oneway so
//we don't wait for a response.
inMessage.getExchange().setOneWay(true);
ConduitInitiator conduitInitiator
= bus.getExtension(ConduitInitiatorManager.class)
.getConduitInitiatorForUri(reference.getAddress().getValue());
if (conduitInitiator != null) {
Conduit c = conduitInitiator.getConduit(ei, reference);
// ensure decoupled back channel input stream is closed
c.setMessageObserver(new MessageObserver() {
public void onMessage(Message m) {
InputStream is = m.getContent(InputStream.class);
if (is != null) {
try {
is.close();
} catch (Exception e) {
// ignore
}
}
}
});
return c;
}
return null;
}
public MessageObserver getMessageObserver() {
return null;
}
public void shutdown() {
}
public void setMessageObserver(MessageObserver observer) {
}
};
}
/**
* Construct and store MAPs for partial response.
*
* @param partialResponse the partial response message
* @param namespaceURI the current namespace URI
*/
private static void ensurePartialResponseMAPs(Message partialResponse,
String namespaceURI) {
// ensure there is a MAPs instance available for the outbound
// partial response that contains appropriate To and ReplyTo
// properties (i.e. anonymous & none respectively)
AddressingPropertiesImpl maps = new AddressingPropertiesImpl();
maps.setTo(EndpointReferenceUtils.getAnonymousEndpointReference());
maps.setReplyTo(ContextUtils.WSA_OBJECT_FACTORY.createEndpointReferenceType());
maps.getReplyTo().setAddress(ContextUtils.getAttributedURI(Names.WSA_NONE_ADDRESS));
maps.setAction(ContextUtils.getAttributedURI(""));
maps.exposeAs(namespaceURI);
ContextUtils.storeMAPs(maps, partialResponse, true, true, false);
}
/**
* Construct the Action URI.
*
* @param message the current message
* @return the Action URI
*/
public static AttributedURIType getAction(Message message) {
String action = null;
LOG.fine("Determining action");
Exception fault = message.getContent(Exception.class);
if (fault instanceof Fault
&& Names.WSA_NAMESPACE_NAME.equals(((Fault)fault).getFaultCode().getNamespaceURI())) {
// wsa relevant faults should use the wsa-fault action value
action = Names.WSA_DEFAULT_FAULT_ACTION;
} else {
action = getActionFromServiceModel(message, fault);
}
// REVISIT: add support for @{Fault}Action annotation (generated
// from the wsaw:Action WSDL element). For the moment we just
// pick up the wsaw:Action attribute by walking the WSDL model
// directly
LOG.fine("action: " + action);
return action != null ? ContextUtils.getAttributedURI(action) : null;
}
/**
* Get action from service model.
*
* @param message the current message
* @param fault the fault if one is set
*/
private static String getActionFromServiceModel(Message message,
Exception fault) {
String action = null;
BindingOperationInfo bindingOpInfo =
message.getExchange().get(BindingOperationInfo.class);
if (bindingOpInfo != null) {
if (bindingOpInfo.isUnwrappedCapable()) {
bindingOpInfo = bindingOpInfo.getUnwrappedOperation();
}
if (fault == null) {
action = (String)message.get(ContextUtils.ACTION);
if (StringUtils.isEmpty(action)) {
action = (String) message.get(SoapBindingConstants.SOAP_ACTION);
}
if (action == null || "".equals(action)) {
MessageInfo msgInfo =
ContextUtils.isRequestor(message)
? bindingOpInfo.getOperationInfo().getInput()
: bindingOpInfo.getOperationInfo().getOutput();
String cachedAction = (String)msgInfo.getProperty(ContextUtils.ACTION);
if (cachedAction == null) {
action = getActionFromMessageAttributes(msgInfo);
} else {
action = cachedAction;
}
if (action == null && ContextUtils.isRequestor(message)) {
SoapOperationInfo soi = getSoapOperationInfo(bindingOpInfo);
action = soi == null ? null : soi.getAction();
action = StringUtils.isEmpty(action) ? null : action;
}
}
} else {
Throwable t = fault.getCause();
// FaultAction attribute is not defined in
// http://www.w3.org/2005/02/addressing/wsdl schema
for (BindingFaultInfo bfi : bindingOpInfo.getFaults()) {
FaultInfo fi = bfi.getFaultInfo();
if (fi.size() == 0) {
continue;
}
Class fiTypeClass = fi.getMessagePart(0).getTypeClass();
if (t != null
&& fiTypeClass != null
&& t.getClass().isAssignableFrom(fiTypeClass)) {
if (fi.getExtensionAttributes() == null) {
continue;
}
String attr = (String)
fi.getExtensionAttributes().get(Names.WSAW_ACTION_QNAME);
if (attr == null) {
attr = (String)
fi.getExtensionAttributes()
.get(new QName(Names.WSA_NAMESPACE_WSDL_NAME_OLD,
Names.WSAW_ACTION_NAME));
}
if (attr != null) {
action = attr;
break;
}
}
}
}
}
LOG.fine("action determined from service model: " + action);
return action;
}
public static SoapOperationInfo getSoapOperationInfo(BindingOperationInfo bindingOpInfo) {
SoapOperationInfo soi = bindingOpInfo.getExtensor(SoapOperationInfo.class);
if (soi == null && bindingOpInfo.isUnwrapped()) {
soi = bindingOpInfo.getWrappedOperation()
.getExtensor(SoapOperationInfo.class);
}
return soi;
}
/**
* Get action from attributes on MessageInfo
*
* @param bindingOpInfo the current BindingOperationInfo
* @param msgInfo the current MessageInfo
* @return the action if set
*/
private static String getActionFromMessageAttributes(MessageInfo msgInfo) {
String action = null;
if (msgInfo != null
&& msgInfo.getExtensionAttributes() != null) {
String attr = getAction(msgInfo);
if (!StringUtils.isEmpty(attr)) {
action = attr;
msgInfo.setProperty(ContextUtils.ACTION, action);
}
}
return action;
}
public static String getAction(Extensible ext) {
Object o = ext.getExtensionAttribute(JAXWSAConstants.WSAW_ACTION_QNAME);
if (o == null) {
o = ext.getExtensionAttributes().get(new QName(Names.WSA_NAMESPACE_WSDL_METADATA,
Names.WSAW_ACTION_NAME));
}
if (o == null) {
o = ext.getExtensionAttributes().get(new QName(JAXWSAConstants.NS_WSA, Names.WSAW_ACTION_NAME));
}
if (o == null) {
o = ext.getExtensionAttributes().get(new QName(Names.WSA_NAMESPACE_WSDL_NAME_OLD,
Names.WSAW_ACTION_NAME));
}
if (o instanceof QName) {
return ((QName)o).getLocalPart();
}
return o == null ? null : o.toString();
}
/**
* Get the Executor for this invocation.
* @param endpoint
* @return
*/
private static Executor getExecutor(final Message message) {
Endpoint endpoint = message.getExchange().get(Endpoint.class);
Executor executor = endpoint.getService().getExecutor();
if (executor == null || SynchronousExecutor.isA(executor)) {
// need true asynchrony
Bus bus = message.getExchange().get(Bus.class);
if (bus != null) {
WorkQueueManager workQueueManager =
bus.getExtension(WorkQueueManager.class);
Executor autoWorkQueue =
workQueueManager.getNamedWorkQueue("ws-addressing");
executor = autoWorkQueue != null
? autoWorkQueue
: workQueueManager.getAutomaticWorkQueue();
} else {
executor = OneShotAsyncExecutor.getInstance();
}
}
message.getExchange().put(Executor.class, executor);
return executor;
}
}