diff options
Diffstat (limited to 'tags/java/sca/2.0-M4-RC1/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/WSDLInterfaceProcessor.java')
| -rw-r--r-- | tags/java/sca/2.0-M4-RC1/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/WSDLInterfaceProcessor.java | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/WSDLInterfaceProcessor.java b/tags/java/sca/2.0-M4-RC1/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/WSDLInterfaceProcessor.java new file mode 100644 index 0000000000..8c4a986525 --- /dev/null +++ b/tags/java/sca/2.0-M4-RC1/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/WSDLInterfaceProcessor.java @@ -0,0 +1,382 @@ +/* + * 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.interfacedef.wsdl.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import javax.wsdl.PortType; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +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; + +/** + * Handles a <interface.wsdl ... /> element in a SCDL file + * @version $Rev$ $Date$ + */ +public class WSDLInterfaceProcessor implements StAXArtifactProcessor<WSDLInterfaceContract>, WSDLConstants { + + private WSDLFactory wsdlFactory; + + private InterfaceContractMapper interfaceContractMapper; + + public WSDLInterfaceProcessor(ExtensionPointRegistry registry) { + FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); + this.interfaceContractMapper = + registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(InterfaceContractMapper.class); + + this.wsdlFactory = modelFactories.getFactory(WSDLFactory.class); + } + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void warning(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "interface-wsdlxml-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "interface-wsdlxml-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "interface-wsdlxml-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + /** + * Create a WSDL interface from a URI. + * @param uri - the URI in the form nameSpace#wsdl.interface(porttypeName) or nameSpace#wsdl.porttype(porttypeName) + * @return a WSDLInterface object + * @throws ContributionReadException + */ + private static String FRAGMENT_INTERFACE = "wsdl.interface"; + private static String FRAGMENT_PORTTYPE = "wsdl.porttype"; + private WSDLInterface createWSDLInterface(String uri, Monitor monitor) throws ContributionReadException { + + WSDLInterface wsdlInterface = null; + + // Read a QName in the form: + // namespace#wsdl.interface(name) + int index = uri.indexOf('#'); + if (index == -1) { + error(monitor, "InvalidWSDLInterfaceAttr", wsdlFactory, uri); + //throw new ContributionReadException("Invalid WSDL interface attribute: " + uri); + } else { + // Read the URI and extract namespace and fragment + String namespace = uri.substring(0, index); + String name = uri.substring(index + 1); + String porttype = null; + if( name.contains(FRAGMENT_INTERFACE)) { + // Deal with the case where #wsdl.interface is used + porttype = name.substring("wsdl.interface(".length(), name.length() - 1); + } // end if + if( name.contains(FRAGMENT_PORTTYPE)) { + // Deal with the case where #wsdl.porttype is used + porttype = name.substring("wsdl.porttype(".length(), name.length() - 1); + } // end if + if( porttype == null ) { + error(monitor, "InvalidWSDLInterfaceAttr", wsdlFactory, uri); + return null; + } // end if + wsdlInterface = wsdlFactory.createWSDLInterface(); + wsdlInterface.setUnresolved(true); + wsdlInterface.setName(new QName(namespace, porttype)); + } // end if + + return wsdlInterface; + } // end method createWSDLInterface + + /** + * Creates a WSDLInterfaceContract from a <interface.wsdl/> element in a SCDL file + * + * The form of the <interface.wsdl/> element is as follows: + * + * <interface.wsdl interface="http://sampleNamespace#wsdl.interface(porttypeName)" + * callbackInterface="http://sampleNamespace#wsdl.porttype(callbackPorttypeName)"/> + * where interface = URI pointing to the WSDL document containing a WSDL interface or porttype for the forward call interface + * callbackInterface = URI pointing to the WSDL document containing a WSDL interface or porttype for the callback interface + * + * @param reader - XMLStreamReader holding the <interface.wsdl/> element + * @return - the WSDLInterfaceContract + */ + public WSDLInterfaceContract read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { + // Read an <interface.wsdl> + WSDLInterfaceContract wsdlInterfaceContract = wsdlFactory.createWSDLInterfaceContract(); + Monitor monitor = context.getMonitor(); + + // Read wsdlLocation + String location = reader.getAttributeValue(WSDLI_NS, WSDL_LOCATION); + wsdlInterfaceContract.setLocation(location); + + String uri = reader.getAttributeValue(null, INTERFACE); + if (uri != null) { + WSDLInterface wsdlInterface = createWSDLInterface(uri, monitor); + if (wsdlInterface != null) + wsdlInterfaceContract.setInterface(wsdlInterface); + } + + uri = reader.getAttributeValue(null, CALLBACK_INTERFACE); + if (uri != null) { + WSDLInterface wsdlCallbackInterface = createWSDLInterface(uri, monitor); + if (wsdlCallbackInterface != null) + wsdlInterfaceContract.setCallbackInterface(wsdlCallbackInterface); + } + + String remotable = reader.getAttributeValue(null, REMOTABLE); + if (remotable != null && + !remotable.equals("true")){ + Monitor.error(monitor, + this, + "interface-wsdlxml-validation-messages", + "InvalidRemotableValue", + ((WSDLInterface)wsdlInterfaceContract.getInterface()).getName().toString(), + remotable); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && INTERFACE_WSDL_QNAME.equals(reader.getName())) { + break; + } + } + return wsdlInterfaceContract; + } + + public void write(WSDLInterfaceContract wsdlInterfaceContract, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + // Write an <interface.wsdl> + writer.writeStartElement(WSDLConstants.SCA11_NS, INTERFACE_WSDL); + + // Write interface name + WSDLInterface wsdlInterface = (WSDLInterface)wsdlInterfaceContract.getInterface(); + if (wsdlInterface != null) { + QName qname = wsdlInterface.getName(); + String uri = qname.getNamespaceURI() + "#wsdl.interface(" + qname.getLocalPart() + ")"; + writer.writeAttribute(INTERFACE, uri); + } + + WSDLInterface wsdlCallbackInterface = (WSDLInterface)wsdlInterfaceContract.getCallbackInterface(); + if (wsdlCallbackInterface != null) { + QName qname = wsdlCallbackInterface.getName(); + String uri = qname.getNamespaceURI() + "#wsdl.interface(" + qname.getLocalPart() + ")"; + writer.writeAttribute(CALLBACK_INTERFACE, uri); + } + + // Write location + if (wsdlInterfaceContract.getLocation() != null) { + writer.writeAttribute(WSDLI_NS, WSDL_LOCATION, wsdlInterfaceContract.getLocation()); + } + + writer.writeEndElement(); + } + + private WSDLInterface resolveWSDLInterface(WSDLInterface wsdlInterface, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + + if (wsdlInterface != null && wsdlInterface.isUnresolved()) { + Monitor monitor = context.getMonitor(); + // Resolve the WSDL interface + wsdlInterface = resolver.resolveModel(WSDLInterface.class, wsdlInterface, context); + if (wsdlInterface.isUnresolved()) { + + // If the WSDL interface has never been resolved yet, do it now + // First, resolve the WSDL definition for the given namespace + WSDLDefinition wsdlDefinition = wsdlFactory.createWSDLDefinition(); + wsdlDefinition.setUnresolved(true); + wsdlDefinition.setNamespace(wsdlInterface.getName().getNamespaceURI()); + WSDLDefinition resolved = resolver.resolveModel(WSDLDefinition.class, wsdlDefinition, context); + if (!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); + WSDLObject<PortType> portType = wsdlDefinition.getWSDLObject(PortType.class, wsdlInterface.getName()); + if (portType != null) { + // Introspect the WSDL portType and add the resulting + // WSDLInterface to the resolver + try { + wsdlDefinition.setDefinition(portType.getDefinition()); + wsdlInterface = wsdlFactory.createWSDLInterface(portType.getElement(), wsdlDefinition, resolver, monitor); + wsdlInterface.setWsdlDefinition(wsdlDefinition); + resolver.addModel(wsdlInterface, context); + } catch (InvalidInterfaceException e) { + ContributionResolveException ce = new ContributionResolveException("Invalid interface when resolving " + + portType.toString(), e); + error(monitor, "ContributionResolveException", wsdlFactory, ce); + //throw ce; + } // end try + } + else { + warning(monitor, "WsdlInterfaceDoesNotMatch", wsdlDefinition, wsdlInterface.getName()); + } // end if + } else { + // If we get here, the WSDLDefinition is unresolved... + ContributionResolveException ce = new ContributionResolveException("WSDLDefinition unresolved " + + wsdlInterface.getName() ); + error(monitor, "ContributionResolveException", wsdlFactory, ce); + } // end if + } // end if + } // end if + return wsdlInterface; + } + + public static WSDLInterface resolveWSDLInterface( WSDLInterface wsdlInterface, ModelResolver resolver, + Monitor monitor, WSDLFactory wsdlFactory) { + if (wsdlInterface != null && wsdlInterface.isUnresolved()) { + + ProcessorContext context = new ProcessorContext(monitor); + // Resolve the WSDL interface + wsdlInterface = resolver.resolveModel(WSDLInterface.class, wsdlInterface, context); + if (wsdlInterface.isUnresolved()) { + + // If the WSDL interface has never been resolved yet, do it now + // First, resolve the WSDL definition for the given namespace + WSDLDefinition wsdlDefinition = wsdlFactory.createWSDLDefinition(); + wsdlDefinition.setUnresolved(true); + wsdlDefinition.setNamespace(wsdlInterface.getName().getNamespaceURI()); + WSDLDefinition resolved = resolver.resolveModel(WSDLDefinition.class, wsdlDefinition, context); + if (!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); + WSDLObject<PortType> portType = wsdlDefinition.getWSDLObject(PortType.class, wsdlInterface.getName()); + if (portType != null) { + // Introspect the WSDL portType and add the resulting + // WSDLInterface to the resolver + try { + wsdlDefinition.setDefinition(portType.getDefinition()); + wsdlInterface = wsdlFactory.createWSDLInterface(portType.getElement(), wsdlDefinition, resolver, monitor); + wsdlInterface.setWsdlDefinition(wsdlDefinition); + resolver.addModel(wsdlInterface, context); + } catch (InvalidInterfaceException e) { + ContributionResolveException ce = new ContributionResolveException("Invalid interface when resolving " + + portType.toString(), e); + Monitor.error(monitor, WSDLInterfaceProcessor.class.getName(), + "interface-wsdlxml-validation-messages", "ContributionResolveException", + wsdlFactory.getClass().getName(), ce.getMessage()); + //throw ce; + } // end try + } + else { + Monitor.warning(monitor, WSDLInterfaceProcessor.class.getName(), + "interface-wsdlxml-validation-messages", "WsdlInterfaceDoesNotMatch", + wsdlDefinition.getNamespace(), wsdlInterface.getName().toString() ); + } // end if + } else { + // If we get here, the WSDLDefinition is unresolved... + ContributionResolveException ce = new ContributionResolveException("WSDLDefinition unresolved " + + wsdlInterface.getName() ); + Monitor.error(monitor, WSDLInterfaceProcessor.class.getName(), + "interface-wsdlxml-validation-messages", "ContributionResolveException", + wsdlFactory.getClass().getName(), ce.getMessage()); + } // end if + } // end if + } // end if + return wsdlInterface; + } // end method resolveWSDLInterface + + /** + * Resolve a WSDLInterfaceContract + */ + public void resolve(WSDLInterfaceContract wsdlInterfaceContract, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + Monitor monitor = context.getMonitor(); + // Resolve the interface and callback interface + WSDLInterface wsdlInterface = resolveWSDLInterface((WSDLInterface)wsdlInterfaceContract.getInterface(), resolver, context); + wsdlInterfaceContract.setInterface(wsdlInterface); + + // The forward interface (portType) may have a callback interface declared on it using an sca:callback attribute + WSDLInterface intrinsicWSDLCallbackInterface = wsdlInterface.getCallbackInterface(); + + // There may be a callback interface explicitly declared on the <interface.wsdl .../> element + WSDLInterface wsdlCallbackInterface = resolveWSDLInterface((WSDLInterface)wsdlInterfaceContract.getCallbackInterface(), resolver, context); + if( intrinsicWSDLCallbackInterface != null ) { + if( wsdlCallbackInterface != null ) { + // If there is both a callback interface declared on the forward interface and also one declared on the + // interface.wsdl element, then the two interfaces must match [ASM80011] + if( !interfaceContractMapper.isEqual(intrinsicWSDLCallbackInterface, wsdlCallbackInterface) ) { + Monitor.error(context.getMonitor(), WSDLInterfaceProcessor.class.getName(), + "interface-wsdlxml-validation-messages", "IncompatibleCallbacks", + intrinsicWSDLCallbackInterface.getName().toString(), + wsdlCallbackInterface.getName().toString() ); + } // end if + } // end if + wsdlInterfaceContract.setCallbackInterface(intrinsicWSDLCallbackInterface); + } else { + wsdlInterfaceContract.setCallbackInterface(wsdlCallbackInterface); + } // end if + } // end method resolve( WSDLInterfaceContract, ModelResolver) + + public QName getArtifactType() { + return WSDLConstants.INTERFACE_WSDL_QNAME; + } + + public Class<WSDLInterfaceContract> getModelType() { + return WSDLInterfaceContract.class; + } +} |