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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl')
5 files changed, 1410 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java new file mode 100644 index 0000000000..0079272521 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java @@ -0,0 +1,524 @@ +/* + * 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.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import java.io.InputStream; +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Iterator; +import java.util.List; + +import javax.wsdl.Definition; +import javax.wsdl.PortType; +import javax.wsdl.extensions.ExtensibilityElement; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +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.implementation.bpel.BPELFactory; +import org.apache.tuscany.sca.implementation.bpel.BPELProcessDefinition; +import org.apache.tuscany.sca.implementation.bpel.xml.BPELImportElement; +import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement; +import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkTypeElement; +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.WSDLObject; +import org.apache.tuscany.sca.interfacedef.wsdl.xml.BPELPartnerLinkTypeExt; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * BPEL document processor responsible for reading a BPEL file and producing necessary model info about it + * + * TODO: The namespaces for WS-BPEL include 2 versions - only the earlier BPEL 1.1 versions are + * supported at present - the BPEL 2.0 namespaces also need support. This will require inspection + * of both BPEL process files and of WSDL files for their BPEL namespaces + * @version $Rev$ $Date$ + */ +public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements URLArtifactProcessor<BPELProcessDefinition> { + public final static QName BPEL_PROCESS_DEFINITION = new QName("http://schemas.xmlsoap.org/ws/2004/03/business-process/", "process"); + public final static QName BPEL_EXECUTABLE_DEFINITION = new QName("http://docs.oasis-open.org/wsbpel/2.0/process/executable", "process"); + private static final String SCA_BPEL_NS = "http://docs.oasis-open.org/ns/opencsa/sca-bpel/200801"; + private static final String BPEL_NS = "http://schemas.xmlsoap.org/ws/2004/03/business-process/"; + private static final String BPEL_PLINK_NS = "http://schemas.xmlsoap.org/ws/2004/03/partner-link/"; + private static final QName PROCESS_ELEMENT = new QName(BPEL_NS, "process"); + private static final QName PARTNERLINK_ELEMENT = new QName(BPEL_NS, "partnerLink"); + private static final QName ONEVENT_ELEMENT = new QName(BPEL_NS, "onEvent"); + private static final QName RECEIVE_ELEMENT = new QName(BPEL_NS, "receive"); + private static final QName ONMESSAGE_ELEMENT = new QName(BPEL_NS, "onMessage"); + private static final QName INVOKE_ELEMENT = new QName(BPEL_NS, "invoke"); + private static final QName IMPORT_ELEMENT = new QName(BPEL_NS, "import"); + private static final String LINKTYPE_NAME = "partnerLinkType"; + private static final QName LINKTYPE_ELEMENT = new QName(BPEL_PLINK_NS, LINKTYPE_NAME); + + public final static String NAME_ELEMENT = "name"; + + private final static XMLInputFactory inputFactory = XMLInputFactory.newInstance(); + + private final BPELFactory factory; + private WSDLFactory WSDLfactory; + private Monitor monitor; + + public BPELDocumentProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.factory = modelFactories.getFactory(BPELFactory.class); + this.WSDLfactory = modelFactories.getFactory(WSDLFactory.class); + this.monitor = monitor; + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void warning(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + + public String getArtifactType() { + return "*.bpel"; + } + + public Class<BPELProcessDefinition> getModelType() { + return BPELProcessDefinition.class; + } + + public BPELProcessDefinition read(URL contributionURL, URI artifactURI, URL artifactURL) throws ContributionReadException { + BPELProcessDefinition processDefinition = null; + try { + //for now we are just using process name + //and relying on componentType file for service definition + //so it's OK to set resolved for now + processDefinition = indexRead2(artifactURL); + processDefinition.setURI(artifactURI); + processDefinition.setUnresolved(false); + } catch (Exception e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", artifactURL, ce); + //throw ce; + } + + return processDefinition; + } + + /** + * Resolve the BPEL process + * - one of the things that needs doing is to pin down the WSDLs that are being used by + * the process, in particular the partnerLinkType and the related PortType definitions + */ + public void resolve(BPELProcessDefinition model, ModelResolver resolver) + throws ContributionResolveException { + // FIXME - serious resolving needs to happen here + + // Step 1 is to resolve the WSDL files referenced from this BPEL process + // - one complexity here is that the WSDL definitions hold BPEL extension elements for + // the partnerLinkType declarations - and these must be used in later steps + // + // Step 2 is to take all the partnerLink definitions and establish the PortType being + // used, by tracing through the related partnerLinkType declarations - the PortType is + // effectively a definition of the interface used by the partnerLink. + // - another consideration here is that each partnerLink can involve 2 interfaces, one + // for the forward calls to the process, the other for calls from the process - depending + // on whether the partnerLink is a reference or a service, one of these interfaces is a + // callback interface. + + List<BPELImportElement> theImports = model.getImports(); + for ( BPELImportElement theImport : theImports ) { + // Deal with WSDL imports + if ( theImport.getImportType().equals("http://schemas.xmlsoap.org/wsdl/") ) { + String WSDLLocation = theImport.getLocation(); + String WSDLNamespace = theImport.getNamespace(); + + // Resolve the WSDL definition + WSDLDefinition proxy = WSDLfactory.createWSDLDefinition(); + proxy.setUnresolved(true); + proxy.setNamespace(WSDLNamespace); + if ( WSDLLocation != null ) proxy.setLocation(URI.create(WSDLLocation)); + WSDLDefinition resolved = resolver.resolveModel(WSDLDefinition.class, proxy); + if (resolved != null && !resolved.isUnresolved()) { + theImport.setWSDLDefinition( resolved ); + } else { + error("CannotResolveWSDLReference", resolver, WSDLLocation, WSDLNamespace); + //throw new ContributionResolveException("BPELDocumentProcessor:resolve -" + + //" unable to resolve WSDL referenced by BPEL import" + + //"WSDL location: " + WSDLLocation + " WSDLNamespace: " + + //WSDLNamespace ); + return; + } // end if + } // end if + } // end for + + // Fetch the sets of partner links, port types and interfaces + List<BPELPartnerLinkTypeElement> thePLinkTypes = getPartnerLinkTypes( theImports ); + Collection<WSDLInterface> theInterfaces = (Collection<WSDLInterface>)new ArrayList<WSDLInterface>(); + Collection<PortType> thePortTypes = getAllPortTypes( theImports, theInterfaces, resolver ); + + // Store the Port Types and the Interfaces for later calculation of the component type... + model.setPortTypes(thePortTypes); + model.setInterfaces(theInterfaces); + + // Now, for each partnerLink in the BPEL process, find the related partnerLinkType + // element + List<BPELPartnerLinkElement> thePartnerLinks = model.getPartnerLinks(); + for ( BPELPartnerLinkElement thePartnerLink : thePartnerLinks ) { + QName partnerLinkType = thePartnerLink.getPartnerLinkType(); + BPELPartnerLinkTypeElement pLinkType = + findPartnerLinkType( partnerLinkType, thePLinkTypes ); + if( pLinkType == null ) { + error("PartnerLinkNoMatchingType", thePartnerLink, thePartnerLink.getName()); + //throw new ContributionResolveException( "PartnerLink " + //+ thePartnerLink.getName() + " has no matching partner link type"); + } else + thePartnerLink.setPartnerLinkType(pLinkType); + } // end for + + } // end resolve + + /* + * Retrieve all the Partner Link types defined in the imported WSDL files + */ + private List<BPELPartnerLinkTypeElement> getPartnerLinkTypes( List<BPELImportElement> theImports ) + throws ContributionResolveException { + + List<BPELPartnerLinkTypeElement> thePLinks = + new ArrayList<BPELPartnerLinkTypeElement>(); + + // We must find the partner link type elements from amongst the imported WSDLs + for ( BPELImportElement theImport : theImports ){ + WSDLDefinition theWSDL = theImport.getWSDLDefinition(); + Definition WSDLDefinition = theWSDL.getDefinition(); + // The BPEL partnerLinkType elements are extension elements within the WSDL + List<ExtensibilityElement> extensibilityElements = WSDLDefinition.getExtensibilityElements(); + + for ( ExtensibilityElement theElement : extensibilityElements ) { + QName elementType = theElement.getElementType(); + if ( elementType.equals( LINKTYPE_ELEMENT ) ) { + BPELPartnerLinkTypeExt pLinkExt = (BPELPartnerLinkTypeExt)theElement; + // Fetch the name of the partnerLinkType + String name = pLinkExt.getName(); + QName qName = new QName( WSDLDefinition.getTargetNamespace(), name ); + BPELPartnerLinkTypeElement pLinkElement = new BPELPartnerLinkTypeElement( qName ); + + // The partnerLinkType must have one and may have 2 role child elements + int count = 0; + for( int i = 0; i < 2; i++ ) { + if(pLinkExt.getRoleName(i) == null ) continue; + PortType pType = WSDLDefinition.getPortType(pLinkExt.getRolePortType(i)); + if ( count == 0 ) { + pLinkElement.setRole1(pLinkExt.getRoleName(i), + pLinkExt.getRolePortType(i), + pType ); + count++; + } else if (count == 1) { + pLinkElement.setRole2(pLinkExt.getRoleName(i), + pLinkExt.getRolePortType(i), + pType ); + count++; + } else { + break; + } // end if + } // end for + if( count == 0 ) { + error("PartnerLinkTypeNoRoles", theElement, pLinkElement.getName()); + throw new ContributionResolveException( "partnerLinkType " + + pLinkElement.getName() +" has no Roles defined" ); + } else + thePLinks.add( pLinkElement ); + } // end if + + } // end for + } // end for + return thePLinks; + } // end getPartnerLinkTypes + + protected Collection<PortType> getAllPortTypes( List<BPELImportElement> theImports, + Collection<WSDLInterface> theInterfaces, + ModelResolver resolver) + throws ContributionResolveException { + + Collection<PortType> thePortTypes = (Collection<PortType>)new ArrayList<PortType>(); + for ( BPELImportElement theImport : theImports ){ + WSDLDefinition theWSDL = theImport.getWSDLDefinition(); + Definition wsdlDefinition = theWSDL.getDefinition(); + + Collection<PortType> portTypes = (Collection<PortType>)wsdlDefinition.getPortTypes().values(); + thePortTypes.addAll( portTypes ); + + // Create WSDLInterface elements for each PortType found + for( PortType portType : portTypes ) { + WSDLObject<PortType> wsdlPortType = theWSDL.getWSDLObject(PortType.class, portType.getQName() ); + WSDLInterface wsdlInterface; + if (wsdlPortType != null) { + // Introspect the WSDL portType and add the resulting + // WSDLInterface to the resolver + try { + theWSDL.setDefinition( wsdlPortType.getDefinition() ); + wsdlInterface = WSDLfactory.createWSDLInterface(wsdlPortType.getElement(), + theWSDL, resolver); + wsdlInterface.setWsdlDefinition(theWSDL); + } catch (InvalidInterfaceException e) { + ContributionResolveException ce = new ContributionResolveException(e); + error("ContributionResolveException", resolver, ce); + throw ce; + } // end try + resolver.addModel(wsdlInterface); + theInterfaces.add(wsdlInterface); + } // end if + } // end for + + //----------------------- + + } // end for + + return thePortTypes; + } // end getAllPortTypes + + /** + * Returns a QName from a string. + * @param definition - a WSDL Definition + * @param value - the String from which to form the QName in the form "pref:localName" + * @return + */ + protected QName getQNameValue(Definition definition, String value) { + if (value != null && definition != null) { + int index = value.indexOf(':'); + String prefix = index == -1 ? "" : value.substring(0, index); + String localName = index == -1 ? value : value.substring(index + 1); + String ns = definition.getNamespace(prefix); + if (ns == null) { + ns = ""; + } + return new QName(ns, localName, prefix); + } else { + return null; + } + } // end getQNameValue + + + /* + * Method which finds a partnerLinkType definition within the WSDLs imported by the BPEL + * process. + * @param partnerLinkTypeName - the name of the partnerLinkType + * @param theImports a list of the WSDL import declarations + * @returns a BPELPartnerLinkTypeElement for the partnerLinkType or null if it cannot be + * found + */ + private BPELPartnerLinkTypeElement findPartnerLinkType( QName partnerLinkTypeName, + List<BPELPartnerLinkTypeElement> thePLinkTypes) { + // We must find the partner link type element from amongst the imported WSDLs + for ( BPELPartnerLinkTypeElement thePLinkType : thePLinkTypes ){ + if( thePLinkType.getName().equals(partnerLinkTypeName) ) return thePLinkType; + } // end for + return null; + } // end findPartnerLinkType + + + + protected BPELProcessDefinition indexRead2(URL doc) throws Exception { + BPELProcessDefinition processDefinition = factory.createBPELProcessDefinition(); + processDefinition.setUnresolved(true); + processDefinition.setLocation(doc); + + InputStream is = doc.openStream(); + XMLStreamReader reader = null; + try { + reader = inputFactory.createXMLStreamReader(is); + /* + * The principle here is to look for partnerLink elements, which form either services + * or references. A partnerLink can be EITHER - the algorithm for deciding is: + * 1) Explicit marking with sca:reference or sca:service attribute + * 2) "first use" of the partnerLink by specific BPEL activity elements: + * <onEvent../>, <receive../> or <pick../> elements imply a service + * <invoke../> implies a reference + */ + // TODO - need to handle <scope../> elements as kind of "nested" processes + // - and scopes introduce the possibility of partnerLinks with the same name at + // different levels of scope.... (yuk!!) + boolean completed = false; + while (!completed) { + switch (reader.next()) { + case START_ELEMENT: + QName qname = reader.getName(); + //System.out.println("BPEL TypeLoader - found element with name: " + qname.toString()); + if (BPEL_PROCESS_DEFINITION.equals(qname) || + BPEL_EXECUTABLE_DEFINITION.equals(qname)) { + QName processName = new QName(getString(reader, org.apache.tuscany.sca.assembly.xml.Constants.TARGET_NAMESPACE), + getString(reader, NAME_ELEMENT)); + processDefinition.setName(processName); + } else if (PARTNERLINK_ELEMENT.equals(qname)) { + processDefinition.getPartnerLinks().add(processPartnerLinkElement( reader )); + } else if (ONEVENT_ELEMENT.equals(qname) || + RECEIVE_ELEMENT.equals(qname) || + ONMESSAGE_ELEMENT.equals(qname) ) { + processPartnerLinkAsService( reader.getAttributeValue(null, "partnerLink"), processDefinition.getPartnerLinks() ); + } else if (INVOKE_ELEMENT.equals(qname)) { + processPartnerLinkAsReference( reader.getAttributeValue(null, "partnerLink"), processDefinition.getPartnerLinks() ); + } else if (IMPORT_ELEMENT.equals(qname)) { + processDefinition.getImports().add( processImportElement( reader ) ); + } // end if + break; + case END_ELEMENT: + if (PROCESS_ELEMENT.equals(reader.getName())) { + //System.out.println("BPEL TypeLoader - finished read of process file"); + completed = true; + break; + } // end if + } // end switch + } // end while + } finally { + if(reader != null) reader.close(); + is.close(); + } // end try + + return processDefinition; + } // end indexRead2 + + /* + * Processes a partnerLink element from the BPEL process and creates a + * BPELPartnerLink object + */ + private BPELPartnerLinkElement processPartnerLinkElement( XMLStreamReader reader ) + throws ContributionReadException { + BPELPartnerLinkElement partnerLink = new BPELPartnerLinkElement( + reader.getAttributeValue(null, "name"), + getQNameValue(reader, reader.getAttributeValue(null, "partnerLinkType") ), + reader.getAttributeValue(null, "myRole"), + reader.getAttributeValue(null, "partnerRole")); + // See if there are any SCA extension attributes + String scaService = reader.getAttributeValue( SCA_BPEL_NS, "service"); + String scaReference = reader.getAttributeValue( SCA_BPEL_NS, "reference"); + if( (scaService != null) && (scaReference != null) ) { + // It is incorrect to set both service & reference attributes + error("PartnerLinkHasBothAttr", partnerLink, reader.getAttributeValue(null, "name")); + throw new ContributionReadException( "BPEL PartnerLink " + + reader.getAttributeValue(null, "name") + + " has both sca:reference and sca:service attributes set" ); + } + // Set the SCA type and the related name, if present + if( scaService != null ) partnerLink.setAsService( scaService ); + else if ( scaReference != null ) partnerLink.setAsReference( scaReference ); + return partnerLink; + } // end processPartnerLinkElement + + /* + * Processes an <import../> element from the BPEL process and creates a + * BPELImportElement object + */ + private BPELImportElement processImportElement( XMLStreamReader reader ) { + return ( new BPELImportElement( reader.getAttributeValue(null, "location"), + reader.getAttributeValue(null, "importType"), + reader.getAttributeValue(null, "namespace") )); + } // end processImportElement + + /* + * Mark a named partnerLink as a Service, unless it is already marked as a Reference + */ + private void processPartnerLinkAsService( String partnerLinkName, + List<BPELPartnerLinkElement> partnerLinks ) { + BPELPartnerLinkElement partnerLink = findPartnerLinkByName( partnerLinks, partnerLinkName ); + if( partnerLink == null ) { + warning("ReferencePartnerLinkNotInList", partnerLinkName, partnerLinkName); + } else { + // Set the type of the partnerLink to "service" if not already set... + if( !partnerLink.isSCATyped() ) partnerLink.setAsService( partnerLinkName ); + } // endif + } // end processPartnerLinkAsReference + + /* + * Mark a named partnerLink as a Reference, unless it is already marked as a Service + */ + private void processPartnerLinkAsReference( String partnerLinkName, + List<BPELPartnerLinkElement> partnerLinks ) { + BPELPartnerLinkElement partnerLink = findPartnerLinkByName( partnerLinks, partnerLinkName ); + if( partnerLink == null ) { + warning("ReferencePartnerLinkNotInList", partnerLinkName, partnerLinkName); + } else { + // Set the type of the partnerLink to "service" if not already set... + if( !partnerLink.isSCATyped() ) partnerLink.setAsReference( partnerLinkName ); + } // endif + } // end processPartnerLinkAsReference + + /* + * Finds a PartnerLink by name from a List of PartnerLinks + * + * returns null if there is no partnerLink with a matching name + * - returns the PartnerLink with a matching name + */ + private BPELPartnerLinkElement findPartnerLinkByName( List<BPELPartnerLinkElement> partnerLinks, + String partnerLinkName ) { + // Scan the list looking for a partner link with the supplied name + Iterator<BPELPartnerLinkElement> it = partnerLinks.iterator(); + while( it.hasNext() ) { + BPELPartnerLinkElement thePartnerLink = it.next(); + if( thePartnerLink.getName().equals(partnerLinkName) ) return thePartnerLink; + } + return null; + } // end method findPartnerLinkByName + + +} diff --git a/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java new file mode 100644 index 0000000000..96d8a12a36 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java @@ -0,0 +1,144 @@ +/* + * 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.impl; + +import java.util.Collections; +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.assembly.ConstrainingType; +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.assembly.impl.ImplementationImpl; +import org.apache.tuscany.sca.implementation.bpel.BPELImplementation; +import org.apache.tuscany.sca.implementation.bpel.BPELProcessDefinition; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory; + +/** + * The model representing a BPEL implementation in an SCA assembly model. + * + * @version $Rev$ $Date$ + */ +public class BPELImplementationImpl extends ImplementationImpl implements BPELImplementation { + + private QName _processName; + private BPELProcessDefinition _processDefinition; + private ComponentType componentType; + + /** + * Constructs a new BPEL implementation. + */ + public BPELImplementationImpl(AssemblyFactory assemblyFactory, + WSDLFactory wsdlFactory) { + + } + + public QName getProcess() { + return _processName; + } + + public void setProcess(QName processName) { + _processName = processName; + } + + public BPELProcessDefinition getProcessDefinition() { + return this._processDefinition; + } + + public void setProcessDefinition(BPELProcessDefinition processDefinition) { + this._processDefinition = processDefinition; + } + + @Override + public String getURI() { + // The sample BPEL implementation does not have a URI + return null; + } + + @Override + public void setURI(String uri) { + // The sample BPEL implementation does not have a URI + } + + @Override + public ConstrainingType getConstrainingType() { + // The sample BPEL implementation does not support constrainingTypes + return null; + } + + @Override + public List<Property> getProperties() { + // The sample BPEL implementation does not support properties + return Collections.emptyList(); + } + + /* + * Returns the componentType for this BPEL process implementation + */ + public ComponentType getComponentType() { + return componentType; + } + + /* + * Sets the componentType for this BPEL process implementation + */ + public void setComponentType(ComponentType componentType) { + this.componentType = componentType; + } + + @Override + /** + * Returns a List of the services for this BPEL process implementation + */ + public List<Service> getServices() { + return componentType.getServices(); + } + + @Override + /** + * Returns a List of the references for this BPEL process implementation + */ + public List<Reference> getReferences() { + return componentType.getReferences(); + } + + @Override + public int hashCode() { + return String.valueOf(this.getProcess()).hashCode(); + } + + @Override + public boolean equals(Object obj) { + if (obj == this) { + return true; + } else if (obj instanceof BPELImplementation) { + if (getProcess() != null) { + return getProcess().equals(((BPELImplementation)obj).getProcess()); + } else { + return ((BPELImplementation)obj).getProcess() == null; + } + } else { + return false; + } + } +} diff --git a/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java new file mode 100644 index 0000000000..e047ae3cc7 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java @@ -0,0 +1,538 @@ +/* + * 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.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +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.assembly.builder.impl.ProblemImpl; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +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.ContributionWriteException; +import org.apache.tuscany.sca.databinding.xml.DOMDataBinding; +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.implementation.bpel.DefaultBPELFactory; +import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement; +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 PROCESS = "process"; + private static final String IMPLEMENTATION_BPEL = "implementation.bpel"; + private static final QName IMPLEMENTATION_BPEL_QNAME = new QName(Constants.SCA10_NS, IMPLEMENTATION_BPEL); + + private AssemblyFactory assemblyFactory; + private BPELFactory bpelFactory; + private WSDLFactory wsdlFactory; + private Monitor monitor; + + public BPELImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + this.wsdlFactory = modelFactories.getFactory(WSDLFactory.class); + this.bpelFactory = new DefaultBPELFactory(modelFactories); + this.monitor = monitor; + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + 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) 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); + 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 impl, ModelResolver resolver) throws ContributionResolveException { + + if( impl != null && impl.isUnresolved()) + { + BPELProcessDefinition processDefinition = resolveBPELProcessDefinition(impl, resolver); + if(processDefinition.isUnresolved()) { + error("BPELProcessNotFound", impl, processDefinition.getName()); + //throw new ContributionResolveException("Can't find BPEL Process : " + processDefinition.getName()); + } else { + impl.setProcessDefinition(processDefinition); + + // Get the component type from the process definition + generateComponentType( impl ); + + //resolve component type + mergeComponentType(resolver, impl); + + //set current implementation resolved + impl.setUnresolved(false); + } + } + + } // end resolve + + /* + * Write out the XML representation of the BPEL implementation + * <implementation.bpel process="..." /> + * + * One complexity here is that the value of the process attribute is a QName + * In this implementation, the QName is written out in XML Namespaces recommendation format, + * as described in the documentation of the getAttributeValueNS method: + * + * ie: {http://example.com/somenamespace}SomeName + * + * This may well NOT be the format in which the attribute was originally read from the + * composite file. + */ + public void write( BPELImplementation bpelImplementation, + XMLStreamWriter writer ) throws ContributionWriteException, XMLStreamException { + //FIXME Deal with policy processing... + // Write <implementation.bpel process="..."/> + // policyProcessor.writePolicyPrefixes(bpelImplementation, writer); + writer.writeStartElement(Constants.SCA10_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) throws ContributionResolveException { + QName processName = impl.getProcess(); + BPELProcessDefinition processDefinition = this.bpelFactory.createBPELProcessDefinition(); + processDefinition.setName(processName); + processDefinition.setUnresolved(true); + + return resolver.resolveModel(BPELProcessDefinition.class, processDefinition); + } // end resolveBPELProcessDefinition + + // Calculates the component type of the supplied implementation and attaches it to the + // implementation + private void generateComponentType(BPELImplementation impl ) + 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() ) + ); + } else { + componentType.getServices().add( + generateService( SCAName, + pLink.getMyRolePortType(), + pLink.getPartnerRolePortType(), + theProcess.getInterfaces() ) + ); + } // end if + } // end if + } // 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 ) + 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( 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 - throw an exception + if( callPT == null && callbackPT == null ) { + error("MyRolePartnerRoleNull", theInterfaces); + throw new ContributionResolveException("Error: myRole and partnerRole port types are both null"); + } // 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 + // Throw an exception if no interface is found + if( callInterface == null ) { + error("NoInterfaceForPortType", theInterfaces, callPT.getQName().toString()); + throw new ContributionResolveException("Interface not found for port type " + + callPT.getQName().toString() ); + } else + reference.getInterfaceContract().setInterface(callInterface); + } + + // 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 + // Throw an exception if no interface is found + if( callbackInterface == null ) { + error("NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString()); + throw new ContributionResolveException("Interface not found for port type " + + 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 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 Service generateService( String name, PortType myRolePT, + PortType partnerRolePT, Collection<WSDLInterface> theInterfaces ) + 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 - throw an exception + if( callPT == null && callbackPT == null ) { + error("MyRolePartnerRoleNull", theInterfaces); + throw new ContributionResolveException("Error: myRole and partnerRole port types are both null"); + } // 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 + // Throw an exception if no interface is found + if( callInterface == null ) { + error("NoInterfaceForPortType", theInterfaces, callPT.getQName().toString()); + throw new ContributionResolveException("Interface not found for port type " + + 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 + // Throw an exception if no interface is found + if( callbackInterface == null ) { + error("NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString()); + throw new ContributionResolveException("Interface not found for port type " + + callbackPT.getQName().toString() ); + } else + service.getInterfaceContract().setCallbackInterface(callbackInterface); + } // end if + + return service; + } // end generateService + + /** + * Merge the componentType from introspection and from external file + * + * Note the setting of the DataBinding for both Services and References to DOM, since this is + * the data format expected by the ODE BPEL implementation code. + * + * @param resolver + * @param impl + */ + private void mergeComponentType(ModelResolver resolver, BPELImplementation impl) { + // Load the component type from a component type file, if any + ComponentType componentType = getComponentType(resolver, impl); + if (componentType != null && !componentType.isUnresolved()) { + + // References... + Map<String, Reference> refMap = new HashMap<String, Reference>(); + for (Reference reference : componentType.getReferences()) { + reference.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME); + refMap.put(reference.getName(), reference); + } // end for + + // For the present, overwrite anything arising from the component type sidefile if + // equivalent services are defined in the implementation. + // TODO - a more careful merge must be done, using the implementation introspection data + // as the master but adding any additional and non-conflicting information from the + // sidefile + for (Reference ref : impl.getReferences()) { + ref.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME); + refMap.put(ref.getName(), ref); + } // end for + + impl.getReferences().clear(); + impl.getReferences().addAll(refMap.values()); + + // Services..... + Map<String, Service> serviceMap = new HashMap<String, Service>(); + for (Service service : componentType.getServices()) { + service.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME); + serviceMap.put(service.getName(), service); + } // end for + + // For the present, overwrite anything arising from the component type sidefile if + // equivalent services are defined in the implementation. + // TODO - a more careful merge must be done, using the implementation introspection data + // as the master but adding any additional and non-conflicting information from the + // sidefile + for (Service svc : impl.getServices()) { + svc.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME); + serviceMap.put(svc.getName(), svc); + } // end for + + impl.getServices().clear(); + impl.getServices().addAll(serviceMap.values()); + + // Properties + Map<String, Property> propMap = new HashMap<String, Property>(); + for (Property property : componentType.getProperties()) { + propMap.put(property.getName(), property); + } // end for + + // A simple overwrite of any equivalent properties from the component type sidefile + for (Property prop : impl.getProperties()) { + propMap.put(prop.getName(), prop); + } + } + } + + + /** + * Find the componentType side file based on the BPEL implementation artifact + * @param resolver + * @param impl + * @return + */ + private ComponentType getComponentType(ModelResolver resolver, BPELImplementation impl) { + String bpelProcessURI = impl.getProcessDefinition().getURI().toString(); + + // Get the component type definition contained in the componentType file, if any + String componentTypeURI = bpelProcessURI.replace(".bpel", ".componentType"); + ComponentType componentType = assemblyFactory.createComponentType(); + componentType.setUnresolved(true); + componentType.setURI(componentTypeURI); + componentType = resolver.resolveModel(ComponentType.class, componentType); + if (!componentType.isUnresolved()) { + return componentType; + } + return null; + } // end getComponentType + + /** + * 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) { + String fullValue = reader.getAttributeValue(null, attribute); + if (fullValue == null) { + error("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("AttributeWithoutNamespace", reader, attribute, fullValue); + return null; + //throw new BPELProcessException("Attribute " + attribute + " with value " + fullValue + + //" in your composite should be of the form {namespaceURI}localname"); + } + } // endif + + // Deal with the attribute in the local name + prefix format + if (fullValue.indexOf(":") < 0) { + error("AttributeWithoutPrefix", reader, attribute, fullValue); + return null; + //throw new BPELProcessException("Attribute " + attribute + " with value " + fullValue + + //" in your composite should be prefixed (process=\"prefix:name\")."); + } + String prefix = fullValue.substring(0, fullValue.indexOf(":")); + String name = fullValue.substring(fullValue.indexOf(":") + 1); + String nsUri = reader.getNamespaceContext().getNamespaceURI(prefix); + if (nsUri == null) { + error("AttributeUnrecognizedNamespace", reader, attribute, fullValue); + return null; + //throw new BPELProcessException("Attribute " + attribute + " with value " + fullValue + + //" in your composite has an unrecognized namespace prefix."); + } + return new QName(nsUri, name, prefix); + } + +} diff --git a/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java new file mode 100644 index 0000000000..83e70ec959 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java @@ -0,0 +1,162 @@ +/* + * 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.impl; + +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; +import java.util.Collection; + +import javax.xml.namespace.QName; +import javax.wsdl.PortType; + +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface; + +import org.apache.tuscany.sca.implementation.bpel.BPELProcessDefinition; +import org.apache.tuscany.sca.implementation.bpel.xml.BPELImportElement; +import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement; + +/** + * The BPEL process definition implementation. + * + * @version $Rev$ $Date$ + */ +public class BPELProcessDefinitionImpl implements BPELProcessDefinition { + private QName name; + private URI uri; + private URL location; + private boolean unresolved; + private List<BPELPartnerLinkElement> partnerLinks = new ArrayList<BPELPartnerLinkElement>(); + private List<BPELImportElement> imports = new ArrayList<BPELImportElement>(); + private Collection<PortType> thePortTypes = null; + private Collection<WSDLInterface> theInterfaces = null; + + public QName getName() { + return name; + } + + public void setName(QName name) { + this.name = name; + } + + public URI getURI() { + return uri; + } + + public void setURI(URI uri) { + this.uri = uri; + } + + public URL getLocation() { + return location; + } + + public void setLocation(URL location) { + this.location = location; + } + + public boolean isUnresolved() { + return unresolved; + } + + public void setUnresolved(boolean undefined) { + this.unresolved = undefined; + } + + /** + * Return the list of PartnerLinks for this process + * @return List<BPELPartnerLinkElement> the list of Partner Links + */ + public List<BPELPartnerLinkElement> getPartnerLinks() { + return partnerLinks; + } + + /** + * Return the list of imports for this process + * @return List<BPELImportElement> the list of Import elements + */ + public List<BPELImportElement> getImports() { + return imports; + } + + public void setPortTypes( Collection<PortType> thePortTypes ) { + this.thePortTypes = thePortTypes; + } + + public Collection<PortType> getPortTypes() { + return thePortTypes; + } + + /** + * Set the associated collection of WSDL interfaces + * @param theInterfaces + */ + public void setInterfaces( Collection<WSDLInterface> theInterfaces ) { + this.theInterfaces = theInterfaces; + } // end setInterfaces + + /** + * Return the collection of associated WSDL interfaces + * @return + */ + public Collection<WSDLInterface> getInterfaces() { + return theInterfaces; + } // end getInterfaces + + public void compile() { + /* + String bpelFile = reader.getAttributeValue(null, "file"); // FIXME: + + // Resolving the BPEL file and compiling it + URL bpelURL = getClass().getClassLoader().getResource(bpelFile); + if (bpelURL == null) + throw new ODEProcessException("Couldn't find referenced bpel file " + bpelFile); + BpelC bpelc = BpelC.newBpelCompiler(); + ByteArrayOutputStream compiledProcess = new ByteArrayOutputStream(); + bpelc.setOutputStream(compiledProcess); + try { + bpelc.compile(new File(bpelURL.getFile())); + } catch (IOException e) { + e.printStackTrace(); + } + */ + } + + @Override + public int hashCode() { + return String.valueOf(getName()).hashCode(); + } + + @Override + public boolean equals(Object obj) { + if (obj == this) { + return true; + } else if (obj instanceof BPELProcessDefinition) { + if (getName() != null) { + return getName().equals(((BPELProcessDefinition)obj).getName()); + } else { + return ((BPELProcessDefinition)obj).getName() == null; + } + } else { + return false; + } + } +} diff --git a/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessException.java b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessException.java new file mode 100644 index 0000000000..9b9f62a0be --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.3.1/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessException.java @@ -0,0 +1,42 @@ +/* + * 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.impl; + +/** + * Thrown when a process can't be compiled properly or when its descriptors + * are invalid. + * + * @version $Rev$ $Date$ + */ +public class BPELProcessException extends RuntimeException { + private static final long serialVersionUID = 1047893235216756186L; + + public BPELProcessException(String message) { + super(message); + } + + public BPELProcessException(String message, Throwable cause) { + super(message, cause); + } + + public BPELProcessException(Throwable cause) { + super(cause); + } +} |