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/*
* Copyright (c) 1997, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.client;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import com.sun.xml.ws.addressing.WSEPRExtension;
import com.sun.xml.ws.api.BindingID;
import com.sun.xml.ws.api.Component;
import com.sun.xml.ws.api.ComponentFeature;
import com.sun.xml.ws.api.ComponentFeature.Target;
import com.sun.xml.ws.api.ComponentRegistry;
import com.sun.xml.ws.api.ComponentsFeature;
import com.sun.xml.ws.api.EndpointAddress;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.WSService;
import com.sun.xml.ws.api.addressing.AddressingVersion;
import com.sun.xml.ws.api.addressing.WSEndpointReference;
import com.sun.xml.ws.api.client.WSPortInfo;
import com.sun.xml.ws.api.message.AddressingUtils;
import com.sun.xml.ws.api.message.Header;
import com.sun.xml.ws.api.message.HeaderList;
import com.sun.xml.ws.api.message.MessageHeaders;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.model.SEIModel;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.api.pipe.ClientTubeAssemblerContext;
import com.sun.xml.ws.api.pipe.Engine;
import com.sun.xml.ws.api.pipe.Fiber;
import com.sun.xml.ws.api.pipe.FiberContextSwitchInterceptorFactory;
import com.sun.xml.ws.api.pipe.SyncStartForAsyncFeature;
import com.sun.xml.ws.api.pipe.Tube;
import com.sun.xml.ws.api.pipe.TubelineAssembler;
import com.sun.xml.ws.api.pipe.TubelineAssemblerFactory;
import com.sun.xml.ws.api.server.Container;
import com.sun.xml.ws.api.server.ContainerResolver;
import com.sun.xml.ws.binding.BindingImpl;
import com.sun.xml.ws.developer.JAXWSProperties;
import com.sun.xml.ws.developer.WSBindingProvider;
import com.sun.xml.ws.model.wsdl.WSDLDirectProperties;
import com.sun.xml.ws.model.wsdl.WSDLPortProperties;
import com.sun.xml.ws.model.wsdl.WSDLProperties;
import com.sun.xml.ws.resources.ClientMessages;
import com.sun.xml.ws.util.Pool;
import com.sun.xml.ws.util.Pool.TubePool;
import com.sun.xml.ws.util.RuntimeVersion;
import com.sun.xml.ws.wsdl.OperationDispatcher;
import org.glassfish.gmbal.ManagedObjectManager;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.ws.BindingProvider;
import javax.xml.ws.EndpointReference;
import javax.xml.ws.RespectBindingFeature;
import javax.xml.ws.Response;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.http.HTTPBinding;
import javax.xml.ws.wsaddressing.W3CEndpointReference;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.ObjectName;
/**
* Base class for stubs, which accept method invocations from
* client applications and pass the message to a {@link Tube}
* for processing.
*
*
* This class implements the management of pipe instances,
* and most of the {@link BindingProvider} methods.
*
* @author Kohsuke Kawaguchi
*/
public abstract class Stub implements WSBindingProvider, ResponseContextReceiver, ComponentRegistry {
/**
* Internal flag indicating async dispatch should be used even when the
* SyncStartForAsyncInvokeFeature is present on the binding associated
* with a stub. There is no type associated with this property on the
* request context. Its presence is what triggers the 'prevent' behavior.
*/
public static final String PREVENT_SYNC_START_FOR_ASYNC_INVOKE = "com.sun.xml.ws.client.StubRequestSyncStartForAsyncInvoke";
/**
* Reuse pipelines as it's expensive to create.
*
* Set to null when {@link #close() closed}.
*/
private Pool tubes;
private final Engine engine;
/**
* The {@link WSServiceDelegate} object that owns us.
*/
protected final WSServiceDelegate owner;
/**
* Non-null if this stub is configured to talk to an EPR.
*
* When this field is non-null, its reference parameters are sent as out-bound headers.
* This field can be null even when addressing is enabled, but if the addressing is
* not enabled, this field must be null.
*
* Unlike endpoint address, we are not letting users to change the EPR,
* as it contains references to services and so on that we don't want to change.
*/
protected
@Nullable
WSEndpointReference endpointReference;
protected final BindingImpl binding;
protected final WSPortInfo portInfo;
/**
* represents AddressingVersion on binding if enabled, otherwise null;
*/
protected AddressingVersion addrVersion;
public RequestContext requestContext = new RequestContext();
private final RequestContext cleanRequestContext;
/**
* {@link ResponseContext} from the last synchronous operation.
*/
private ResponseContext responseContext;
@Nullable
protected final WSDLPort wsdlPort;
protected QName portname;
/**
* {@link Header}s to be added to outbound {@link Packet}.
* The contents is determined by the user.
*/
@Nullable
private volatile Header[] userOutboundHeaders;
private final
@NotNull
WSDLProperties wsdlProperties;
protected OperationDispatcher operationDispatcher = null;
private final
@NotNull
ManagedObjectManager managedObjectManager;
private boolean managedObjectManagerClosed = false;
private final Set components = new CopyOnWriteArraySet();
/**
* @param master The created stub will send messages to this pipe.
* @param binding As a {@link BindingProvider}, this object will
* return this binding from {@link BindingProvider#getBinding()}.
* @param defaultEndPointAddress The destination of the message. The actual destination
* could be overridden by {@link RequestContext}.
* @param epr To create a stub that sends out reference parameters
* of a specific EPR, give that instance. Otherwise null.
* Its address field will not be used, and that should be given
* separately as the {@code defaultEndPointAddress}.
*/
@Deprecated
protected Stub(WSServiceDelegate owner, Tube master, BindingImpl binding, WSDLPort wsdlPort, EndpointAddress defaultEndPointAddress, @Nullable WSEndpointReference epr) {
this(owner, master, null, null, binding, wsdlPort, defaultEndPointAddress, epr);
}
/**
* @param portname The name of this port
* @param master The created stub will send messages to this pipe.
* @param binding As a {@link BindingProvider}, this object will
* return this binding from {@link BindingProvider#getBinding()}.
* @param defaultEndPointAddress The destination of the message. The actual destination
* could be overridden by {@link RequestContext}.
* @param epr To create a stub that sends out reference parameters
* of a specific EPR, give that instance. Otherwise null.
* Its address field will not be used, and that should be given
* separately as the {@code defaultEndPointAddress}.
*/
@Deprecated
protected Stub(QName portname, WSServiceDelegate owner, Tube master, BindingImpl binding, WSDLPort wsdlPort, EndpointAddress defaultEndPointAddress, @Nullable WSEndpointReference epr) {
this(owner, master, null, portname, binding, wsdlPort, defaultEndPointAddress, epr);
}
/**
* @param portInfo PortInfo for this stub
* @param binding As a {@link BindingProvider}, this object will
* return this binding from {@link BindingProvider#getBinding()}.
* @param master The created stub will send messages to this pipe.
* @param defaultEndPointAddress The destination of the message. The actual destination
* could be overridden by {@link RequestContext}.
* @param epr To create a stub that sends out reference parameters
* of a specific EPR, give that instance. Otherwise null.
* Its address field will not be used, and that should be given
* separately as the {@code defaultEndPointAddress}.
*/
protected Stub(WSPortInfo portInfo, BindingImpl binding, Tube master,EndpointAddress defaultEndPointAddress, @Nullable WSEndpointReference epr) {
this((WSServiceDelegate) portInfo.getOwner(), master, portInfo, null, binding,portInfo.getPort(), defaultEndPointAddress, epr);
}
/**
* @param portInfo PortInfo for this stub
* @param binding As a {@link BindingProvider}, this object will
* return this binding from {@link BindingProvider#getBinding()}.
* @param defaultEndPointAddress The destination of the message. The actual destination
* could be overridden by {@link RequestContext}.
* @param epr To create a stub that sends out reference parameters
* of a specific EPR, give that instance. Otherwise null.
* Its address field will not be used, and that should be given
* separately as the {@code defaultEndPointAddress}.
*/
protected Stub(WSPortInfo portInfo, BindingImpl binding, EndpointAddress defaultEndPointAddress, @Nullable WSEndpointReference epr) {
this(portInfo,binding,null, defaultEndPointAddress,epr);
}
private Stub(WSServiceDelegate owner, @Nullable Tube master, @Nullable WSPortInfo portInfo, QName portname, BindingImpl binding, @Nullable WSDLPort wsdlPort, EndpointAddress defaultEndPointAddress, @Nullable WSEndpointReference epr) {
Container old = ContainerResolver.getDefault().enterContainer(owner.getContainer());
try {
this.owner = owner;
this.portInfo = portInfo;
this.wsdlPort = wsdlPort != null ? wsdlPort : (portInfo != null ? portInfo.getPort() : null);
this.portname = portname;
if (portname == null) {
if (portInfo != null) {
this.portname = portInfo.getPortName();
} else if (wsdlPort != null) {
this.portname = wsdlPort.getName();
}
}
this.binding = binding;
ComponentFeature cf = binding.getFeature(ComponentFeature.class);
if (cf != null && Target.STUB.equals(cf.getTarget())) {
components.add(cf.getComponent());
}
ComponentsFeature csf = binding.getFeature(ComponentsFeature.class);
if (csf != null) {
for (ComponentFeature cfi : csf.getComponentFeatures()) {
if (Target.STUB.equals(cfi.getTarget()))
components.add(cfi.getComponent());
}
}
// if there is an EPR, EPR's address should be used for invocation instead of default address
if (epr != null) {
this.requestContext.setEndPointAddressString(epr.getAddress());
} else {
this.requestContext.setEndpointAddress(defaultEndPointAddress);
}
this.engine = new Engine(getStringId(), owner.getContainer(), owner.getExecutor());
this.endpointReference = epr;
wsdlProperties = (wsdlPort == null) ? new WSDLDirectProperties(owner.getServiceName(), portname) : new WSDLPortProperties(wsdlPort);
this.cleanRequestContext = this.requestContext.copy();
// ManagedObjectManager MUST be created before the pipeline
// is constructed.
managedObjectManager = new MonitorRootClient(this).createManagedObjectManager(this);
if (master != null) {
this.tubes = new TubePool(master);
} else {
this.tubes = new TubePool(createPipeline(portInfo, binding));
}
addrVersion = binding.getAddressingVersion();
// This needs to happen after createPipeline.
// TBD: Check if it needs to happen outside the Stub constructor.
managedObjectManager.resumeJMXRegistration();
} finally {
ContainerResolver.getDefault().exitContainer(old);
}
}
/**
* Creates a new pipeline for the given port name.
*/
private Tube createPipeline(WSPortInfo portInfo, WSBinding binding) {
//Check all required WSDL extensions are understood
checkAllWSDLExtensionsUnderstood(portInfo, binding);
SEIModel seiModel = null;
Class sei = null;
if (portInfo instanceof SEIPortInfo) {
SEIPortInfo sp = (SEIPortInfo) portInfo;
seiModel = sp.model;
sei = sp.sei;
}
BindingID bindingId = portInfo.getBindingId();
TubelineAssembler assembler = TubelineAssemblerFactory.create(
Thread.currentThread().getContextClassLoader(), bindingId, owner.getContainer());
if (assembler == null) {
throw new WebServiceException("Unable to process bindingID=" + bindingId); // TODO: i18n
}
return assembler.createClient(
new ClientTubeAssemblerContext(
portInfo.getEndpointAddress(),
portInfo.getPort(),
this, binding, owner.getContainer(), ((BindingImpl) binding).createCodec(), seiModel, sei));
}
public WSDLPort getWSDLPort() {
return wsdlPort;
}
public WSService getService() {
return owner;
}
public Pool getTubes() {
return tubes;
}
/**
* Checks only if RespectBindingFeature is enabled
* checks if all required wsdl extensions in the
* corresponding wsdl:Port are understood when RespectBindingFeature is enabled.
* @throws WebServiceException
* when any wsdl extension that has wsdl:required=true is not understood
*/
private static void checkAllWSDLExtensionsUnderstood(WSPortInfo port, WSBinding binding) {
if (port.getPort() != null && binding.isFeatureEnabled(RespectBindingFeature.class)) {
port.getPort().areRequiredExtensionsUnderstood();
}
}
@Override
public WSPortInfo getPortInfo() {
return portInfo;
}
/**
* Nullable when there is no associated WSDL Model
* @return
*/
public
@Nullable
OperationDispatcher getOperationDispatcher() {
if (operationDispatcher == null && wsdlPort != null) {
operationDispatcher = new OperationDispatcher(wsdlPort, binding, null);
}
return operationDispatcher;
}
/**
* Gets the port name that this stub is configured to talk to.
*
* When {@link #wsdlPort} is non-null, the port name is always
* the same as {@link WSDLPort#getName()}, but this method
* returns a port name even if no WSDL is available for this stub.
*/
protected abstract
@NotNull
QName getPortName();
/**
* Gets the service name that this stub is configured to talk to.
*
* When {@link #wsdlPort} is non-null, the service name is always
* the same as the one that's inferred from {@link WSDLPort#getOwner()},
* but this method returns a port name even if no WSDL is available for
* this stub.
*/
protected final
@NotNull
QName getServiceName() {
return owner.getServiceName();
}
/**
* Gets the {@link Executor} to be used for asynchronous method invocations.
*
* Note that the value this method returns may different from invocations
* to invocations. The caller must not cache.
*
* @return always non-null.
*/
public final Executor getExecutor() {
return owner.getExecutor();
}
/**
* Passes a message to a pipe for processing.
*
* Unlike {@link Tube} instances,
* this method is thread-safe and can be invoked from
* multiple threads concurrently.
*
* @param packet The message to be sent to the server
* @param requestContext The {@link RequestContext} when this invocation is originally scheduled.
* This must be the same object as {@link #requestContext} for synchronous
* invocations, but for asynchronous invocations, it needs to be a snapshot
* captured at the point of invocation, to correctly satisfy the spec requirement.
* @param receiver Receives the {@link ResponseContext}. Since the spec requires
* that the asynchronous invocations must not update response context,
* depending on the mode of invocation they have to go to different places.
* So we take a setter that abstracts that away.
*/
protected final Packet process(Packet packet, RequestContext requestContext, ResponseContextReceiver receiver) {
packet.isSynchronousMEP = true;
packet.component = this;
configureRequestPacket(packet, requestContext);
Pool pool = tubes;
if (pool == null) {
throw new WebServiceException("close method has already been invoked"); // TODO: i18n
}
Fiber fiber = engine.createFiber();
configureFiber(fiber);
// then send it away!
Tube tube = pool.take();
try {
return fiber.runSync(tube, packet);
} finally {
// this allows us to capture the packet even when the call failed with an exception.
// when the call fails with an exception it's no longer a 'reply' but it may provide some information
// about what went wrong.
// note that Packet can still be updated after
// ResponseContext is created.
Packet reply = (fiber.getPacket() == null) ? packet : fiber.getPacket();
receiver.setResponseContext(new ResponseContext(reply));
pool.recycle(tube);
}
}
private void configureRequestPacket(Packet packet, RequestContext requestContext) {
// fill in Packet
packet.proxy = this;
packet.handlerConfig = binding.getHandlerConfig();
// to make it multi-thread safe we need to first get a stable snapshot
Header[] hl = userOutboundHeaders;
if (hl != null) {
MessageHeaders mh = packet.getMessage().getHeaders();
for (Header h : hl) {
mh.add(h);
}
}
requestContext.fill(packet, (binding.getAddressingVersion() != null));
packet.addSatellite(wsdlProperties);
if (addrVersion != null) {
// populate request WS-Addressing headers
MessageHeaders headerList = packet.getMessage().getHeaders();
AddressingUtils.fillRequestAddressingHeaders(headerList, wsdlPort, binding, packet);
// Spec is not clear on if ReferenceParameters are to be added when addressing is not enabled,
// but the EPR has ReferenceParameters.
// Current approach: Add ReferenceParameters only if addressing enabled.
if (endpointReference != null) {
endpointReference.addReferenceParametersToList(packet.getMessage().getHeaders());
}
}
}
/**
* Passes a message through a {@link Tube}line for processing. The processing happens
* asynchronously and when the response is available, Fiber.CompletionCallback is
* called. The processing could happen on multiple threads.
*
*
* Unlike {@link Tube} instances,
* this method is thread-safe and can be invoked from
* multiple threads concurrently.
*
* @param receiver The {@link Response} implementation
* @param request The message to be sent to the server
* @param requestContext The {@link RequestContext} when this invocation is originally scheduled.
* This must be the same object as {@link #requestContext} for synchronous
* invocations, but for asynchronous invocations, it needs to be a snapshot
* captured at the point of invocation, to correctly satisfy the spec requirement.
* @param completionCallback Once the processing is done, the callback is invoked.
*/
protected final void processAsync(AsyncResponseImpl receiver, Packet request, RequestContext requestContext, final Fiber.CompletionCallback completionCallback) {
// fill in Packet
request.component = this;
configureRequestPacket(request, requestContext);
final Pool pool = tubes;
if (pool == null) {
throw new WebServiceException("close method has already been invoked"); // TODO: i18n
}
final Fiber fiber = engine.createFiber();
configureFiber(fiber);
receiver.setCancelable(fiber);
// check race condition on cancel
if (receiver.isCancelled()) {
return;
}
FiberContextSwitchInterceptorFactory fcsif = owner.getSPI(FiberContextSwitchInterceptorFactory.class);
if (fcsif != null) {
fiber.addInterceptor(fcsif.create());
}
// then send it away!
final Tube tube = pool.take();
Fiber.CompletionCallback fiberCallback = new Fiber.CompletionCallback() {
@Override
public void onCompletion(@NotNull Packet response) {
pool.recycle(tube);
completionCallback.onCompletion(response);
}
@Override
public void onCompletion(@NotNull Throwable error) {
// let's not reuse tubes as they might be in a wrong state, so not
// calling pool.recycle()
completionCallback.onCompletion(error);
}
};
// Check for SyncStartForAsyncInvokeFeature
fiber.start(tube, request, fiberCallback,
getBinding().isFeatureEnabled(SyncStartForAsyncFeature.class) &&
!requestContext.containsKey(PREVENT_SYNC_START_FOR_ASYNC_INVOKE));
}
protected void configureFiber(Fiber fiber) {
// no-op in the base class, but can be used by derived classes to configure the Fiber prior
// to invocation
}
private static final Logger monitoringLogger = Logger.getLogger(com.sun.xml.ws.util.Constants.LoggingDomain + ".monitoring");
@Override
public void close() {
TubePool tp = (TubePool) tubes;
if (tp != null) {
// multi-thread safety of 'close' needs to be considered more carefully.
// some calls might be pending while this method is invoked. Should we
// block until they are complete, or should we abort them (but how?)
Tube p = tp.takeMaster();
p.preDestroy();
tubes = null;
}
if (!managedObjectManagerClosed) {
try {
final ObjectName name = managedObjectManager.getObjectName(managedObjectManager.getRoot());
// The name is null when the MOM is a NOOP.
if (name != null) {
monitoringLogger.log(Level.INFO, "Closing Metro monitoring root: {0}", name);
}
managedObjectManager.close();
} catch (java.io.IOException e) {
monitoringLogger.log(Level.WARNING, "Ignoring error when closing Managed Object Manager", e);
}
managedObjectManagerClosed = true;
}
}
@Override
public final WSBinding getBinding() {
return binding;
}
@Override
public final Map getRequestContext() {
return requestContext.asMap();
}
public void resetRequestContext() {
requestContext = cleanRequestContext.copy();
}
@Override
public final ResponseContext getResponseContext() {
return responseContext;
}
@Override
public void setResponseContext(ResponseContext rc) {
this.responseContext = rc;
}
private String getStringId() {
return RuntimeVersion.VERSION + ": Stub for " + getRequestContext().get(BindingProvider.ENDPOINT_ADDRESS_PROPERTY);
}
@Override
public String toString() {
return getStringId();
}
@Override
public final WSEndpointReference getWSEndpointReference() {
if (binding.getBindingID().equals(HTTPBinding.HTTP_BINDING)) {
throw new java.lang.UnsupportedOperationException(
ClientMessages.UNSUPPORTED_OPERATION("BindingProvider.getEndpointReference(Class class)", "XML/HTTP Binding", "SOAP11 or SOAP12 Binding")
);
}
if (endpointReference != null) {
return endpointReference;
}
String eprAddress = requestContext.getEndpointAddress().toString();
QName portTypeName = null;
String wsdlAddress = null;
List wsdlEPRExtensions = new ArrayList();
if (wsdlPort != null) {
portTypeName = wsdlPort.getBinding().getPortTypeName();
wsdlAddress = eprAddress + "?wsdl";
//gather EPRExtensions specified in WSDL.
try {
WSEndpointReference wsdlEpr = wsdlPort.getEPR();
if (wsdlEpr != null) {
for (WSEndpointReference.EPRExtension extnEl : wsdlEpr.getEPRExtensions()) {
wsdlEPRExtensions.add(new WSEPRExtension(
XMLStreamBuffer.createNewBufferFromXMLStreamReader(extnEl.readAsXMLStreamReader()), extnEl.getQName()));
}
}
} catch (XMLStreamException ex) {
throw new WebServiceException(ex);
}
}
AddressingVersion av = AddressingVersion.W3C;
this.endpointReference = new WSEndpointReference(
av, eprAddress, getServiceName(), getPortName(), portTypeName, null, wsdlAddress, null, wsdlEPRExtensions, null);
return this.endpointReference;
}
@Override
public final W3CEndpointReference getEndpointReference() {
if (binding.getBindingID().equals(HTTPBinding.HTTP_BINDING)) {
throw new java.lang.UnsupportedOperationException(
ClientMessages.UNSUPPORTED_OPERATION("BindingProvider.getEndpointReference()", "XML/HTTP Binding", "SOAP11 or SOAP12 Binding"));
}
return getEndpointReference(W3CEndpointReference.class);
}
@Override
public final T getEndpointReference(Class clazz) {
return getWSEndpointReference().toSpec(clazz);
}
public
@NotNull
@Override
ManagedObjectManager getManagedObjectManager() {
return managedObjectManager;
}
//
//
// WSBindingProvider methods
//
//
@Override
public final void setOutboundHeaders(List headers) {
if (headers == null) {
this.userOutboundHeaders = null;
} else {
for (Header h : headers) {
if (h == null) {
throw new IllegalArgumentException();
}
}
userOutboundHeaders = headers.toArray(new Header[headers.size()]);
}
}
@Override
public final void setOutboundHeaders(Header... headers) {
if (headers == null) {
this.userOutboundHeaders = null;
} else {
for (Header h : headers) {
if (h == null) {
throw new IllegalArgumentException();
}
}
Header[] hl = new Header[headers.length];
System.arraycopy(headers, 0, hl, 0, headers.length);
userOutboundHeaders = hl;
}
}
@Override
public final List getInboundHeaders() {
return Collections.unmodifiableList(((MessageHeaders)
responseContext.get(JAXWSProperties.INBOUND_HEADER_LIST_PROPERTY)).asList());
}
@Override
public final void setAddress(String address) {
requestContext.put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, address);
}
@Override
public S getSPI(Class spiType) {
for (Component c : components) {
S s = c.getSPI(spiType);
if (s != null) {
return s;
}
}
return owner.getSPI(spiType);
}
@Override
public Set getComponents() {
return components;
}
}