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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.tuscany.sca.binding.ws.xml;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import java.util.List;
import java.util.Map;
import javax.wsdl.Binding;
import javax.wsdl.Port;
import javax.wsdl.PortType;
import javax.wsdl.Service;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.assembly.ConfiguredOperation;
import org.apache.tuscany.sca.assembly.Extension;
import org.apache.tuscany.sca.assembly.ExtensionFactory;
import org.apache.tuscany.sca.assembly.OperationsConfigurator;
import org.apache.tuscany.sca.assembly.xml.ConfiguredOperationProcessor;
import org.apache.tuscany.sca.assembly.xml.Constants;
import org.apache.tuscany.sca.assembly.xml.PolicyAttachPointProcessor;
import org.apache.tuscany.sca.binding.ws.DefaultWebServiceBindingFactory;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.binding.ws.WebServiceBindingFactory;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXAttributeProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessorExtensionPoint;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
import org.apache.tuscany.sca.contribution.service.ContributionRuntimeException;
import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLObject;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
import org.apache.tuscany.sca.monitor.impl.ProblemImpl;
import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
import org.apache.tuscany.sca.policy.PolicyFactory;
import com.ibm.wsdl.OperationImpl;
/**
* This is the StAXArtifactProcessor for the Web Services Binding.
*
* @version $Rev$ $Date$
*/
public class WebServiceBindingProcessor implements StAXArtifactProcessor<WebServiceBinding>, WebServiceConstants {
private ExtensionPointRegistry extensionPoints;
private WSDLFactory wsdlFactory;
private WebServiceBindingFactory wsFactory;
private PolicyFactory policyFactory;
private ExtensionFactory extensionFactory;
private PolicyAttachPointProcessor policyProcessor;
private IntentAttachPointTypeFactory intentAttachPointTypeFactory;
private ConfiguredOperationProcessor configuredOperationProcessor;
private StAXAttributeProcessor<Object> extensionAttributeProcessor;
private Monitor monitor;
public WebServiceBindingProcessor(ExtensionPointRegistry extensionPoints, Monitor monitor) {
this.extensionPoints = extensionPoints;
ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
this.policyFactory = modelFactories.getFactory(PolicyFactory.class);
this.wsFactory = new DefaultWebServiceBindingFactory();
this.wsdlFactory = modelFactories.getFactory(WSDLFactory.class);
this.extensionFactory = modelFactories.getFactory(ExtensionFactory.class);
this.policyProcessor = new PolicyAttachPointProcessor(policyFactory);
this.intentAttachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class);
this.monitor = monitor;
this.configuredOperationProcessor = new ConfiguredOperationProcessor(modelFactories, this.monitor);
XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class);
XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class);
StAXAttributeProcessorExtensionPoint attributeExtensionPoint = extensionPoints.getExtensionPoint(StAXAttributeProcessorExtensionPoint.class);
this.extensionAttributeProcessor = new ExtensibleStAXAttributeProcessor(attributeExtensionPoint ,inputFactory, outputFactory, this.monitor);
}
/**
* Report a warning.
*
* @param problem
* @param model
* @param message data
*/
private void warning(String message, Object model, Object... messageParameters) {
if (monitor != null) {
Problem problem = new ProblemImpl(this.getClass().getName(), "binding-wsxml-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters);
monitor.problem(problem);
}
}
/**
* Report an error.
*
* @param problem
* @param model
* @param message data
*/
private void error(String message, Object model, Object... messageParameters) {
if (monitor != null) {
Problem problem = new ProblemImpl(this.getClass().getName(), "binding-wsxml-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
monitor.problem(problem);
}
}
/**
* Report an exception.
*
* @param problem
* @param model
* @param exception
*/
private void error(String message, Object model, Exception ex) {
if (monitor != null) {
Problem problem = new ProblemImpl(this.getClass().getName(), "binding-wsxml-validation-messages", Severity.ERROR, model, message, ex);
monitor.problem(problem);
}
}
public WebServiceBinding read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
// Read a <binding.ws>
WebServiceBinding wsBinding = wsFactory.createWebServiceBinding();
/*IntentAttachPointType bindingType = intentAttachPointTypeFactory.createBindingType();
bindingType.setName(getArtifactType());
bindingType.setUnresolved(true);
((PolicySetAttachPoint)wsBinding).setType(bindingType);*/
wsBinding.setUnresolved(true);
wsBinding.setBuilder(new BindingBuilderImpl(extensionPoints));
// Read policies
policyProcessor.readPolicies(wsBinding, reader);
// Read the binding name
String name = reader.getAttributeValue(null, NAME);
if (name != null) {
wsBinding.setName(name);
}
// Read URI
String uri = reader.getAttributeValue(null, URI);
if (uri != null) {
wsBinding.setURI(uri);
}
// Read a qname in the form:
// namespace#wsdl.???(name)
Boolean wsdlElementIsBinding = null;
String wsdlElement = reader.getAttributeValue(null, WSDL_ELEMENT);
if (wsdlElement != null) {
int index = wsdlElement.indexOf('#');
if (index == -1) {
error("InvalidWsdlElementAttr", reader, wsdlElement);
//throw new ContributionReadException("Invalid WebService binding wsdlElement attribute: " + wsdlElement);
return wsBinding;
}
String namespace = wsdlElement.substring(0, index);
wsBinding.setNamespace(namespace);
String localName = wsdlElement.substring(index + 1);
if (localName.startsWith("wsdl.service")) {
// Read a wsdl.service
localName = localName.substring("wsdl.service(".length(), localName.length() - 1);
wsBinding.setServiceName(new QName(namespace, localName));
} else if (localName.startsWith("wsdl.port")) {
// Read a wsdl.port
localName = localName.substring("wsdl.port(".length(), localName.length() - 1);
int s = localName.indexOf('/');
if (s == -1) {
error("InvalidWsdlElementAttr", reader, wsdlElement);
//throw new ContributionReadException("Invalid WebService binding wsdlElement attribute: " + wsdlElement);
} else {
wsBinding.setServiceName(new QName(namespace, localName.substring(0, s)));
wsBinding.setPortName(localName.substring(s + 1));
}
} else if (localName.startsWith("wsdl.endpoint")) {
// Read a wsdl.endpoint
localName = localName.substring("wsdl.endpoint(".length(), localName.length() - 1);
int s = localName.indexOf('/');
if (s == -1) {
error("InvalidWsdlElementAttr", reader, wsdlElement);
//throw new ContributionReadException("Invalid WebService binding wsdlElement attribute: " + wsdlElement);
} else {
wsBinding.setServiceName(new QName(namespace, localName.substring(0, s)));
wsBinding.setEndpointName(localName.substring(s + 1));
}
} else if (localName.startsWith("wsdl.binding")) {
// Read a wsdl.binding
localName = localName.substring("wsdl.binding(".length(), localName.length() - 1);
wsBinding.setBindingName(new QName(namespace, localName));
wsdlElementIsBinding = true;
} else {
error("InvalidWsdlElementAttr", reader, wsdlElement);
//throw new ContributionReadException("Invalid WebService binding wsdlElement attribute: " + wsdlElement);
}
}
// Read wsdlLocation
wsBinding.setLocation(reader.getAttributeValue(WSDLI_NS, WSDL_LOCATION));
// Handle extended attributes
for (int a = 0; a < reader.getAttributeCount(); a++) {
QName attributeName = reader.getAttributeName(a);
if( attributeName.getNamespaceURI() != null && attributeName.getNamespaceURI() != WSDLI_NS && attributeName.getNamespaceURI().length() > 0) {
if( (! Constants.SCA10_NS.equals(attributeName.getNamespaceURI()) &&
(! Constants.SCA10_TUSCANY_NS.equals(attributeName.getNamespaceURI()) ))) {
Object attributeValue = extensionAttributeProcessor.read(attributeName, reader);
Extension attributeExtension;
if (attributeValue instanceof Extension) {
attributeExtension = (Extension) attributeValue;
} else {
attributeExtension = extensionFactory.createExtension(attributeName, attributeValue, true);
}
wsBinding.getAttributeExtensions().add(attributeExtension);
}
}
}
ConfiguredOperation confOp = null;
// Skip to end element
while (reader.hasNext()) {
int event = reader.next();
switch (event) {
case START_ELEMENT: {
if (END_POINT_REFERENCE.equals(reader.getName().getLocalPart())) {
if (wsdlElement != null && (wsdlElementIsBinding == null || !wsdlElementIsBinding)) {
error("MustUseWsdlBinding", reader, wsdlElement);
throw new ContributionReadException(wsdlElement + " must use wsdl.binding when using wsa:EndpointReference");
}
wsBinding.setEndPointReference(EndPointReferenceHelper.readEndPointReference(reader));
} else if (Constants.OPERATION_QNAME.equals(reader.getName())) {
confOp = configuredOperationProcessor.read(reader);
if (confOp != null) {
((OperationsConfigurator)wsBinding).getConfiguredOperations().add(confOp);
}
}
}
break;
}
if (event == END_ELEMENT && BINDING_WS_QNAME.equals(reader.getName())) {
break;
}
}
return wsBinding;
}
protected void processEndPointReference(XMLStreamReader reader, WebServiceBinding wsBinding) {
}
public void write(WebServiceBinding wsBinding, XMLStreamWriter writer) throws ContributionWriteException,
XMLStreamException {
// Write a <binding.ws>
policyProcessor.writePolicyPrefixes(wsBinding, writer);
writer.writeStartElement(Constants.SCA10_NS, BINDING_WS);
policyProcessor.writePolicyAttributes(wsBinding, writer);
// Write binding name
if (wsBinding.getName() != null) {
writer.writeAttribute(NAME, wsBinding.getName());
}
// Write binding URI
if (wsBinding.getURI() != null) {
writer.writeAttribute(URI, wsBinding.getURI());
}
// Write wsdlElement attribute
if (wsBinding.getPortName() != null) {
// Write namespace#wsdl.port(service/port)
String wsdlElement =
wsBinding.getServiceName().getNamespaceURI() + "#wsdl.port("
+ wsBinding.getServiceName().getLocalPart()
+ "/"
+ wsBinding.getPortName()
+ ")";
writer.writeAttribute(WSDL_ELEMENT, wsdlElement);
} else if (wsBinding.getEndpointName() != null) {
// Write namespace#wsdl.endpoint(service/endpoint)
String wsdlElement =
wsBinding.getServiceName().getNamespaceURI() + "#wsdl.endpoint("
+ wsBinding.getServiceName().getLocalPart()
+ "/"
+ wsBinding.getEndpointName()
+ ")";
writer.writeAttribute(WSDL_ELEMENT, wsdlElement);
} else if (wsBinding.getBindingName() != null) {
// Write namespace#wsdl.binding(binding)
String wsdlElement =
wsBinding.getBindingName().getNamespaceURI() + "#wsdl.binding("
+ wsBinding.getBindingName().getLocalPart()
+ ")";
writer.writeAttribute(WSDL_ELEMENT, wsdlElement);
} else if (wsBinding.getServiceName() != null) {
// Write namespace#wsdl.service(service)
String wsdlElement =
wsBinding.getServiceName().getNamespaceURI() + "#wsdl.service("
+ wsBinding.getServiceName().getLocalPart()
+ ")";
writer.writeAttribute(WSDL_ELEMENT, wsdlElement);
}
// Write location
if (wsBinding.getLocation() != null) {
writer.writeAttribute(WSDLI_NS, WSDL_LOCATION, wsBinding.getLocation());
}
// Write extended attributes
for(Extension extension : wsBinding.getAttributeExtensions()) {
if(extension.isAttribute()) {
extensionAttributeProcessor.write(extension, writer);
}
}
if (wsBinding.getEndPointReference() != null) {
EndPointReferenceHelper.writeEndPointReference(wsBinding.getEndPointReference(), writer);
}
writer.writeEndElement();
}
public void resolve(WebServiceBinding model, ModelResolver resolver) throws ContributionResolveException {
if (model == null || !model.isUnresolved())
return;
WSDLDefinition wsdlDefinition = wsdlFactory.createWSDLDefinition();
wsdlDefinition.setUnresolved(true);
wsdlDefinition.setNamespace(model.getNamespace());
WSDLDefinition resolved = null;
try {
resolved = resolver.resolveModel(WSDLDefinition.class, wsdlDefinition);
} catch (ContributionRuntimeException e) {
ContributionResolveException ce = new ContributionResolveException(e.getCause());
error("ContributionResolveException", wsdlDefinition, ce);
//throw ce;
}
if (resolved != null && !resolved.isUnresolved()) {
wsdlDefinition.setDefinition(resolved.getDefinition());
wsdlDefinition.setLocation(resolved.getLocation());
wsdlDefinition.setURI(resolved.getURI());
wsdlDefinition.getImportedDefinitions().addAll(resolved.getImportedDefinitions());
wsdlDefinition.getXmlSchemas().addAll(resolved.getXmlSchemas());
wsdlDefinition.setUnresolved(false);
model.setDefinition(wsdlDefinition);
if (model.getBindingName() != null) {
WSDLObject<Binding> binding = wsdlDefinition.getWSDLObject(Binding.class, model.getBindingName());
if (binding != null) {
wsdlDefinition.setDefinition(binding.getDefinition());
model.setBinding(binding.getElement());
} else {
warning("WsdlBindingDoesNotMatch", wsdlDefinition, model.getBindingName());
}
}
if (model.getServiceName() != null) {
WSDLObject<Service> service = wsdlDefinition.getWSDLObject(Service.class, model.getServiceName());
if (service != null) {
wsdlDefinition.setDefinition(service.getDefinition());
model.setService(service.getElement());
if (model.getPortName() != null) {
Port port = service.getElement().getPort(model.getPortName());
if (port != null) {
model.setPort(port);
model.setBinding(port.getBinding());
} else {
warning("WsdlPortTypeDoesNotMatch", wsdlDefinition, model.getPortName());
}
}
} else {
warning("WsdlServiceDoesNotMatch", wsdlDefinition, model.getServiceName());
}
}
PortType portType = getPortType(model);
if (portType != null) {
// Introspect the WSDL portType and validate the input/output messages.
List<OperationImpl> operations = portType.getOperations();
for (OperationImpl operation : operations) {
if (operation.getInput() != null && operation.getInput().getMessage() == null) {
ContributionResolveException ce = new ContributionResolveException("WSDL binding operation input name " + operation.getInput().getName() + " does not match with PortType Definition");
error("ContributionResolveException", wsdlDefinition, ce);
}
if (operation.getOutput() != null && operation.getOutput().getMessage() == null) {
ContributionResolveException ce = new ContributionResolveException("WSDL binding operation output name " + operation.getOutput().getName() + " does not match with PortType Definition");
error("ContributionResolveException", wsdlDefinition, ce);
}
}
WSDLInterfaceContract interfaceContract = wsdlFactory.createWSDLInterfaceContract();
WSDLInterface wsdlInterface = null;
try {
wsdlInterface = wsdlFactory.createWSDLInterface(portType, wsdlDefinition, resolver);
interfaceContract.setInterface(wsdlInterface);
model.setBindingInterfaceContract(interfaceContract);
} catch (InvalidInterfaceException e) {
warning("InvalidInterfaceException", wsdlFactory, model.getName());
}
}
}
policyProcessor.resolvePolicies(model, resolver);
OperationsConfigurator opCongigurator = (OperationsConfigurator)model;
for (ConfiguredOperation confOp : opCongigurator.getConfiguredOperations()) {
policyProcessor.resolvePolicies(confOp, resolver);
}
}
private PortType getPortType(WebServiceBinding model) {
PortType portType = null;
if (model.getPort() != null) {
portType = model.getPort().getBinding().getPortType();
} else if (model.getEndpoint() != null) {
portType = model.getPort().getBinding().getPortType();
} else if (model.getBinding() != null) {
portType = model.getBinding().getPortType();
} else if (model.getService() != null) {
// FIXME: How to find the compatible port?
Map ports = model.getService().getPorts();
if (!ports.isEmpty()) {
Port port = (Port)ports.values().iterator().next();
portType = port.getBinding().getPortType();
}
}
return portType;
}
public QName getArtifactType() {
return WebServiceConstants.BINDING_WS_QNAME;
}
public Class<WebServiceBinding> getModelType() {
return WebServiceBinding.class;
}
}
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