diff options
Diffstat (limited to 'java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImplementationProcessor.java')
| -rw-r--r-- | java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImplementationProcessor.java | 452 |
1 files changed, 0 insertions, 452 deletions
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImplementationProcessor.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImplementationProcessor.java deleted file mode 100644 index 47815f8377..0000000000 --- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImplementationProcessor.java +++ /dev/null @@ -1,452 +0,0 @@ -/* - * 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.implementation.bpel.xml; - -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; - -import java.net.URI; -import java.net.URISyntaxException; -import java.util.Collection; -import java.util.List; - -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.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Multiplicity; -import org.apache.tuscany.sca.assembly.Property; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; -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.FactoryExtensionPoint; -import org.apache.tuscany.sca.implementation.bpel.BPELFactory; -import org.apache.tuscany.sca.implementation.bpel.BPELImplementation; -import org.apache.tuscany.sca.implementation.bpel.BPELProcessDefinition; -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.monitor.Monitor; -import org.apache.tuscany.sca.monitor.Problem; -import org.apache.tuscany.sca.monitor.Problem.Severity; - -/** - * Implements a StAX artifact processor for BPEL implementations. - * - * The artifact processor is responsible for processing <implementation.bpel> - * elements in SCA assembly XML composite files and populating the BPEL - * implementation model, resolving its references to other artifacts in the SCA - * contribution, and optionally write the model back to SCA assembly XML. - * - * @version $Rev$ $Date$ - */ -public class BPELImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<BPELImplementation> { - private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903"; - private static final String PROCESS = "process"; - private static final String IMPLEMENTATION_BPEL = "implementation.bpel"; - private static final QName IMPLEMENTATION_BPEL_QNAME = new QName(SCA11_NS, IMPLEMENTATION_BPEL); - - private AssemblyFactory assemblyFactory; - private BPELFactory bpelFactory; - private WSDLFactory wsdlFactory; - - - public BPELImplementationProcessor(FactoryExtensionPoint modelFactories) { - this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); - this.wsdlFactory = modelFactories.getFactory(WSDLFactory.class); - this.bpelFactory = modelFactories.getFactory(BPELFactory.class); - } - - public QName getArtifactType() { - // Returns the QName of the XML element processed by this processor - return IMPLEMENTATION_BPEL_QNAME; - } - - public Class<BPELImplementation> getModelType() { - // Returns the type of model processed by this processor - return BPELImplementation.class; - } - - public BPELImplementation read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { - assert IMPLEMENTATION_BPEL_QNAME.equals(reader.getName()); - - // Read an <implementation.bpel> element - BPELImplementation implementation = null; - - // Read the process attribute. - QName process = getAttributeValueNS(reader, PROCESS, context.getMonitor()); - if (process == null) { - return implementation; - } - - // Create and initialize the BPEL implementation model - implementation = bpelFactory.createBPELImplementation(); - implementation.setProcess(process); - implementation.setUnresolved(true); - - // Skip to end element - while (reader.hasNext()) { - if (reader.next() == END_ELEMENT && IMPLEMENTATION_BPEL_QNAME.equals(reader.getName())) { - break; - } - } - - return implementation; - } - - public void resolve(BPELImplementation implementation, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - - if( implementation != null && implementation.isUnresolved()) - { - implementation.setModelResolver(resolver); - - BPELProcessDefinition processDefinition = resolveBPELProcessDefinition(implementation, resolver, context); - //resolveBPELImports(processDefinition, resolver); - if(processDefinition.isUnresolved()) { - error(context.getMonitor(), "BPELProcessNotFound", implementation, processDefinition.getName()); - } else { - implementation.setProcessDefinition(processDefinition); - - // Get the component type from the process definition - generateComponentType( implementation, context.getMonitor() ); - - //set current implementation resolved - implementation.setUnresolved(false); - } - } - - } // end resolve - - public void write( BPELImplementation bpelImplementation, - XMLStreamWriter writer, ProcessorContext context ) throws ContributionWriteException, XMLStreamException { - //FIXME Deal with policy processing... - // Write <implementation.bpel process="..."/> - // policyProcessor.writePolicyPrefixes(bpelImplementation, writer); - writer.writeStartElement(SCA11_NS, IMPLEMENTATION_BPEL); - // policyProcessor.writePolicyAttributes(bpelImplementation, writer); - - if (bpelImplementation.getProcess() != null) { - writer.writeAttribute(PROCESS, bpelImplementation.getProcess().toString() ); - } - - writer.writeEndElement(); - - } // end write - - private BPELProcessDefinition resolveBPELProcessDefinition(BPELImplementation impl, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - QName processName = impl.getProcess(); - BPELProcessDefinition processDefinition = this.bpelFactory.createBPELProcessDefinition(); - processDefinition.setName(processName); - processDefinition.setUnresolved(true); - - return resolver.resolveModel(BPELProcessDefinition.class, processDefinition, context); - } // end resolveBPELProcessDefinition - - private void resolveBPELImports(BPELProcessDefinition processDefinition, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - for (BPELImportElement bpelImport : processDefinition.getImports()) { - String namespace = bpelImport.getNamespace(); - String location = bpelImport.getLocation(); - - WSDLDefinition wsdl = bpelImport.getWSDLDefinition(); - if (wsdl == null) { - try { - wsdl = wsdlFactory.createWSDLDefinition(); - wsdl.setUnresolved(true); - wsdl.setNamespace(bpelImport.getNamespace()); - wsdl.setLocation(new URI(null, bpelImport.getLocation(), null)); - wsdl = resolver.resolveModel(WSDLDefinition.class, wsdl, context); - - if(! wsdl.isUnresolved()) { - bpelImport.setWSDLDefinition(wsdl); - } else { - //error("BPELProcessNotFound", implementation, processDefinition.getName()); - } - } catch (URISyntaxException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - - } - - } - } - - - /** - * Calculates the component type of the supplied implementation and attaches it to the - * implementation. - * - * @param impl - * @throws ContributionResolveException - */ - private void generateComponentType(BPELImplementation impl, Monitor monitor) throws ContributionResolveException { - - // Create a ComponentType and mark it unresolved - ComponentType componentType = assemblyFactory.createComponentType(); - componentType.setUnresolved(true); - impl.setComponentType(componentType); - - // Each partner link in the process represents either a service or a reference - // - or both, in the sense of involving a callback - BPELProcessDefinition theProcess = impl.getProcessDefinition(); - List<BPELPartnerLinkElement> partnerLinks = theProcess.getPartnerLinks(); - - for (BPELPartnerLinkElement pLink : partnerLinks) { - - // check that the partner link has been designated as service or - // reference in SCA terms - if (pLink.isSCATyped()) { - String scaName = pLink.getSCAName(); - if (pLink.querySCAType().equals("reference")) { - componentType.getReferences().add(generateReference(scaName, pLink.getMyRolePortType(), pLink.getPartnerRolePortType(), theProcess.getInterfaces(), monitor)); - } else { - componentType.getServices().add(generateService(scaName, pLink.getMyRolePortType(), pLink.getPartnerRolePortType(), theProcess.getInterfaces(), monitor)); - } // end if - } // end if - } // end for - - // Each SCA Property in the process becomes a Property in the ComponentType - for( Property property : theProcess.getProperties() ) { - componentType.getProperties().add(property); - } // end for - - } // end getComponentType - - /** - * Create an SCA reference for a partnerLink - * @param name - name of the reference - * @param myRolePT - partner link type of myRole - * @param partnerRolePT - partner link type of partnerRole - * @param theInterfaces - list of WSDL interfaces associated with the BPEL process - * @return - */ - private Reference generateReference( String name, PortType myRolePT, - PortType partnerRolePT, Collection<WSDLInterface> theInterfaces, Monitor monitor) throws ContributionResolveException { - - Reference reference = assemblyFactory.createReference(); - WSDLInterfaceContract interfaceContract = wsdlFactory.createWSDLInterfaceContract(); - reference.setInterfaceContract(interfaceContract); - - // Establish whether there is just a call interface or a call + callback interface - PortType callPT = null; - PortType callbackPT = null; - if (partnerRolePT != null) { - callPT = partnerRolePT; - // If the 2 port types are not the same one, there is a callback... - if (myRolePT != null) { - if (!myRolePT.getQName().equals(partnerRolePT.getQName())) { - callbackPT = myRolePT; - } // end if - } // end if - } else if (myRolePT != null) { - callPT = myRolePT; - } // end if - - // No interfaces mean an error - if (callPT == null && callbackPT == null) { - error(monitor, "MyRolePartnerRoleNull", theInterfaces); - } // end if - - // Set the name of the reference to the supplied name and the - // multiplicity of the reference to 1..1 - // TODO: support other multiplicities - reference.setName(name); - reference.setMultiplicity(Multiplicity.ONE_ONE); - - if (callPT != null) { - // Set the call interface and, if present, the callback interface - WSDLInterface callInterface = null; - for (WSDLInterface anInterface : theInterfaces) { - if (anInterface.getPortType().getQName().equals(callPT.getQName())) - callInterface = anInterface; - } // end for - if (callInterface == null) { - error(monitor, "NoInterfaceForPortType", theInterfaces, callPT.getQName().toString()); - } else - reference.getInterfaceContract().setInterface(callInterface); - } // end if - - // There is a callback if the partner role is not null and if the - // partner role port type is not the same as the port type for my role - if (callbackPT != null) { - WSDLInterface callbackInterface = null; - for (WSDLInterface anInterface : theInterfaces) { - if (anInterface.getPortType().getQName().equals(callbackPT.getQName())) - callbackInterface = anInterface; - } // end for - if (callbackInterface == null) { - error(monitor, "NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString()); - } else - reference.getInterfaceContract().setCallbackInterface(callbackInterface); - } // end if - - return reference; - } // end generateReference - - /** - * Create an SCA service for a partnerLink - * @param name - name of the service - * @param myRolePT - partner link type of myRole - * @param partnerRolePT - partner link type of partnerRole - * @param theInterfaces - list of WSDL interfaces associated with the BPEL process - * @return - */ - private Service generateService( String name, PortType myRolePT, - PortType partnerRolePT, Collection<WSDLInterface> theInterfaces, Monitor monitor ) - throws ContributionResolveException { - Service service = assemblyFactory.createService(); - WSDLInterfaceContract interfaceContract = wsdlFactory.createWSDLInterfaceContract(); - service.setInterfaceContract(interfaceContract); - - // Set the name of the service to the supplied name - service.setName(name); - - // Establish whether there is just a call interface or a call + callback - // interface - PortType callPT = null; - PortType callbackPT = null; - if (myRolePT != null) { - callPT = myRolePT; - // If the 2 port types are not the same one, there is a callback... - if (partnerRolePT != null) { - if (!myRolePT.getQName().equals(partnerRolePT.getQName())) { - callbackPT = partnerRolePT; - } // end if - } // end if - } else if (partnerRolePT != null) { - callPT = partnerRolePT; - } // end if - - // No interfaces mean an error - if (callPT == null && callbackPT == null) { - error(monitor, "MyRolePartnerRoleNull", theInterfaces); - } // end if - - if (callPT != null) { - // Set the call interface and, if present, the callback interface - WSDLInterface callInterface = null; - for (WSDLInterface anInterface : theInterfaces) { - if (anInterface.getPortType().getQName().equals(callPT.getQName())) - callInterface = anInterface; - } // end for - if (callInterface == null) { - error(monitor, "NoInterfaceForPortType", theInterfaces, callPT.getQName().toString()); - } else - service.getInterfaceContract().setInterface(callInterface); - } // end if - - // There is a callback if the partner role is not null and if the - // partner role port type is not the same as the port type for my role - if (callbackPT != null) { - WSDLInterface callbackInterface = null; - for (WSDLInterface anInterface : theInterfaces) { - if (anInterface.getPortType().getQName().equals(callbackPT.getQName())) - callbackInterface = anInterface; - } // end for - if (callbackInterface == null) { - error(monitor, "NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString()); - } else - service.getInterfaceContract().setCallbackInterface(callbackInterface); - } // end if - - return service; - } // end generateService - - /** - * Returns a QName from its string representation in a named attribute of an XML element - * supplied in an XMLStreamReader - * - * QName attributes of an XML element (such as BPEL process) is presented in one of - * two alternative formats: - * 1) In the form of a local name with a prefix, with the prefix referencing a namespace - * URI declaration elsewhere in the composite (typically on the composite element) - * - * ie: nms:SomeName - * xmlns:nms="http://example.com/somenamespace" - * - * 2) In the XML Namespaces recommendation format (see http://jclark.com/xml/xmlns.htm ) - * where the namespace URI and the local name are encoded into a single string, with the - * namespace URI enclosed between a pair of braces {...} - * - * ie: {http://example.com/somenamespace}SomeName - */ - private QName getAttributeValueNS(XMLStreamReader reader, String attribute, Monitor monitor) { - String fullValue = reader.getAttributeValue(null, attribute); - if (fullValue == null) { - error(monitor, "AttributeProcessMissing", reader); - return null; - } - - // Deal with the attribute in the XML Namespaces recommendation format - // - trim off any leading/trailing spaces and check that the first - // character is '{' - if (fullValue.trim().charAt(0) == '{') { - try { - // Attempt conversion to a QName object - QName theProcess = QName.valueOf(fullValue); - return theProcess; - } catch (IllegalArgumentException e) { - // This exception happens if the attribute begins with '{' but - // doesn't conform - // to the XML Namespaces recommendation format - error(monitor, "AttributeWithoutNamespace", reader, attribute, fullValue); - return null; - } - } // endif - - // Deal with the attribute in the local name + prefix format - if (fullValue.indexOf(":") < 0) { - error(monitor, "AttributeWithoutPrefix", reader, attribute, fullValue); - return null; - } - String prefix = fullValue.substring(0, fullValue.indexOf(":")); - String name = fullValue.substring(fullValue.indexOf(":") + 1); - String nsUri = reader.getNamespaceContext().getNamespaceURI(prefix); - if (nsUri == null) { - error(monitor, "AttributeUnrecognizedNamespace", reader, attribute, fullValue); - return null; - } - return new QName(nsUri, name, prefix); - } - - /** - * 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(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); - monitor.problem(problem); - } - } - -} |