diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/deployment/src/main/java/org/apache/tuscany/sca/deployment/impl/DeployerImpl.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0.1-RC1/modules/deployment/src/main/java/org/apache/tuscany/sca/deployment/impl/DeployerImpl.java | 951 |
1 files changed, 951 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/deployment/src/main/java/org/apache/tuscany/sca/deployment/impl/DeployerImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/deployment/src/main/java/org/apache/tuscany/sca/deployment/impl/DeployerImpl.java new file mode 100644 index 0000000000..57bd6507d9 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/deployment/src/main/java/org/apache/tuscany/sca/deployment/impl/DeployerImpl.java @@ -0,0 +1,951 @@ +/* + * 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.deployment.impl; + +import java.io.Reader; +import java.io.Writer; +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.Callable; +import java.util.logging.Logger; + +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.Base; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.assembly.builder.BuilderContext; +import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilder; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException; +import org.apache.tuscany.sca.assembly.xsd.Constants; +import org.apache.tuscany.sca.common.java.io.IOHelper; +import org.apache.tuscany.sca.common.xml.stax.StAXHelper; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.ContributionMetadata; +import org.apache.tuscany.sca.contribution.DefaultImport; +import org.apache.tuscany.sca.contribution.Export; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +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.ExtendedURLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory; +import org.apache.tuscany.sca.contribution.processor.ValidationSchemaExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.DefaultImportModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.definitions.Definitions; +import org.apache.tuscany.sca.definitions.DefinitionsFactory; +import org.apache.tuscany.sca.definitions.util.DefinitionsUtil; +import org.apache.tuscany.sca.definitions.xml.DefinitionsExtensionPoint; +import org.apache.tuscany.sca.deployment.Deployer; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.ValidationException; +import org.apache.tuscany.sca.runtime.BaseDomainRegistry; +import org.apache.tuscany.sca.runtime.ContributionDescription; +import org.apache.tuscany.sca.runtime.DomainRegistry; +import org.apache.tuscany.sca.runtime.EndpointReferenceBinder; +import org.apache.tuscany.sca.xsd.XSDFactory; +import org.apache.tuscany.sca.xsd.XSDefinition; + +/** + * + */ +public class DeployerImpl implements Deployer { + protected static final Logger logger = Logger.getLogger(DeployerImpl.class.getName()); + + protected boolean inited; + protected boolean schemaValidationEnabled; + protected StAXHelper staxHelper; + protected AssemblyFactory assemblyFactory; + protected CompositeBuilder compositeBuilder; + protected ContributionFactory contributionFactory; + protected ExtendedURLArtifactProcessor<Contribution> contributionProcessor; + protected ExtensionPointRegistry registry; + protected FactoryExtensionPoint modelFactories; + protected ModelResolverExtensionPoint modelResolvers; + protected Contribution systemContribution; + protected Definitions systemDefinitions; + protected ExtensibleURLArtifactProcessor artifactProcessor; + protected ExtensibleStAXArtifactProcessor staxProcessor; + protected ValidationSchemaExtensionPoint validationSchema; + protected EndpointReferenceBinder endpointReferenceBinder; + + protected MonitorFactory monitorFactory; + + protected static final String DEPLOYER_IMPL_VALIDATION_MESSAGES = + "org.apache.tuscany.sca.deployment.impl.deployer-impl-validation-messages"; + + public static final QName XSD = new QName("http://www.w3.org/2001/XMLSchema", "schema"); + + /** + * @param registry + */ + public DeployerImpl(ExtensionPointRegistry registry) { + super(); + this.registry = registry; + } + + public Monitor createMonitor() { + init(); + return monitorFactory.createMonitor(); + } + + public synchronized void stop() { + if (inited) { + staxHelper = null; + assemblyFactory = null; + compositeBuilder = null; + contributionFactory = null; + contributionProcessor = null; + modelFactories = null; + modelResolvers = null; + systemContribution = null; + systemDefinitions = null; + artifactProcessor = null; + staxProcessor = null; + monitorFactory = null; + inited = false; + } + } + + /** + * Analyze a contribution and add its dependencies to the given dependency set. + */ + protected void addContributionDependencies(Contribution contribution, + List<Contribution> contributions, + List<Contribution> dependencies, + Set<Contribution> set, + Monitor monitor) { + + // Go through the contribution imports + for (Import import_ : contribution.getImports()) { + boolean resolved = false; + + // Go through all contribution candidates and their exports + List<Export> matchingExports = new ArrayList<Export>(); + for (Contribution dependency : contributions) { + if (dependency == contribution) { + // Do not self import + continue; + } + + // When a contribution contains a reference to an artifact from a namespace that + // is declared in an import statement of the contribution, if the SCA artifact + // resolution mechanism is used to resolve the artifact, the SCA runtime MUST resolve + // artifacts from the locations identified by the import statement(s) for the namespace. + if (import_ instanceof NamespaceImport) { + NamespaceImport namespaceImport = (NamespaceImport)import_; + if (namespaceImport.getLocation() != null) + if (!namespaceImport.getLocation().equals(dependency.getURI())) + continue; + } + if (import_ instanceof JavaImport) { + JavaImport javaImport = (JavaImport)import_; + if (javaImport.getLocation() != null) + if (!javaImport.getLocation().equals(dependency.getURI())) + continue; + } + + for (Export export : dependency.getExports()) { + + // If an export from a contribution matches the import in hand + // add that contribution to the dependency set + if (import_.match(export)) { + resolved = true; + matchingExports.add(export); + + if (!set.contains(dependency)) { + set.add(dependency); + dependencies.add(dependency); + + // Now add the dependencies of that contribution + addContributionDependencies(dependency, contributions, dependencies, set, monitor); + } // end if + } // end if + } // end for + } // end for + + if (resolved) { + // Initialize the import's model resolver with a delegating model + // resolver which will delegate to the matching exports + import_.setModelResolver(new DefaultImportModelResolver(matchingExports)); + + } else { + // Record import resolution issue + if (!(import_ instanceof DefaultImport)) { + // Add the (empty) matchingExports List and report a warning + import_.setModelResolver(new DefaultImportModelResolver(matchingExports)); + + // push context here as the "stack" in this case is a list of nested contributions + // through which imports have been chased which may not make much sense to the + // user so just report the contribution in error + monitor.pushContext("Contribution: " + contribution.getURI()); + Monitor.error(monitor, this, DEPLOYER_IMPL_VALIDATION_MESSAGES, "UnresolvedImport", import_); + monitor.popContext(); + } + } // end if + } + } + + protected void buildDependencies(Contribution contribution, List<Contribution> contributions, Monitor monitor) { + contribution.getDependencies().clear(); + + List<Contribution> dependencies = new ArrayList<Contribution>(); + Set<Contribution> set = new HashSet<Contribution>(); + + dependencies.add(contribution); + set.add(contribution); + addContributionDependencies(contribution, contributions, dependencies, set, monitor); + + Collections.reverse(dependencies); + + contribution.getDependencies().addAll(dependencies); + } + + public List<String> getDependencies(Map<String, ContributionMetadata> possibles, String targetURI, Monitor monitor) { + Map<String, Contribution> contributions = new HashMap<String, Contribution>(); + for (String curi : possibles.keySet()) { + Contribution c = contributionFactory.createContribution(); + c.setURI(curi); + c.mergeMetaData(possibles.get(curi)); + contributions.put(curi, c); + } + + Contribution tc = contributions.remove(targetURI); + buildDependencies(tc, new ArrayList<Contribution>(contributions.values()), monitor); + + List<String> dcuris = new ArrayList<String>(); + for (Contribution dc : tc.getDependencies()) { + dcuris.add(dc.getURI()); + } + dcuris.remove(targetURI); + return dcuris; + } + + + /** + * Pre-resolve phase for contributions, to set up handling of imports and exports prior to full resolution + * @param contributions - the contributions to preresolve + * @param resolver - the ModelResolver to use + * @throws ContributionResolveException + */ + protected void contributionsPreresolve(List<Contribution> contributions, + ModelResolver resolver, + ProcessorContext context) throws ContributionResolveException { + + for (Contribution contribution : contributions) { + contributionProcessor.preResolve(contribution, resolver, context); + } // end for + } // end method contributionsPreresolve + + public ExtensionPointRegistry getExtensionPointRegistry() { + return registry; + } + + public void start() { + // Defer to the init() method + } + + public synchronized void init() { + if (inited) { + return; + } + + // Enable schema validation only of the logger level is FINE or higher + if (isSchemaValidationEnabled()) { + ValidationSchemaExtensionPoint schemas = registry.getExtensionPoint(ValidationSchemaExtensionPoint.class); + if (schemas != null) { + schemas.setEnabled(true); + } + } + + // Use the runtime-enabled assembly factory + modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); + assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + + // Create a monitor + UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); + staxHelper = utilities.getUtility(StAXHelper.class); + + monitorFactory = utilities.getUtility(MonitorFactory.class); + + // Initialize the Tuscany module activators + // The module activators will be started + registry.getExtensionPoint(ModuleActivatorExtensionPoint.class); + + // Get contribution workspace and assembly model factories + contributionFactory = modelFactories.getFactory(ContributionFactory.class); + + // Create XML artifact processors + staxProcessor = new ExtensibleStAXArtifactProcessor(registry); + + // Create contribution content processor + URLArtifactProcessorExtensionPoint docProcessorExtensions = + registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + artifactProcessor = new ExtensibleURLArtifactProcessor(docProcessorExtensions); + + contributionProcessor = + (ExtendedURLArtifactProcessor<Contribution>)docProcessorExtensions.getProcessor(Contribution.class); + + // Get the model resolvers + modelResolvers = registry.getExtensionPoint(ModelResolverExtensionPoint.class); + + // Get composite builders + BuilderExtensionPoint compositeBuilders = registry.getExtensionPoint(BuilderExtensionPoint.class); + compositeBuilder = + compositeBuilders.getCompositeBuilder("org.apache.tuscany.sca.assembly.builder.CompositeBuilder"); + + // get the validation schema + validationSchema = registry.getExtensionPoint(ValidationSchemaExtensionPoint.class); + + // Get the reference binder + endpointReferenceBinder = registry.getExtensionPoint(EndpointReferenceBinder.class); + + loadSystemContribution(new ProcessorContext(monitorFactory.createMonitor())); + + inited = true; + } + + protected void loadSystemContribution(ProcessorContext context) { + DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class); + systemDefinitions = definitionsFactory.createDefinitions(); + + DefinitionsExtensionPoint definitionsExtensionPoint = + registry.getExtensionPoint(DefinitionsExtensionPoint.class); + + Monitor monitor = context.getMonitor(); + monitor.pushContext("Extension points definitions"); + try { + for (Definitions defs : definitionsExtensionPoint.getDefinitions()) { + DefinitionsUtil.aggregate(defs, systemDefinitions, monitor); + } + } finally { + monitor.popContext(); + } + + // create a system contribution to hold the definitions. The contribution + // will be extended later with definitions from application contributions + systemContribution = contributionFactory.createContribution(); + systemContribution.setURI("http://tuscany.apache.org/SystemContribution"); + systemContribution.setLocation("http://tuscany.apache.org/SystemContribution"); + ModelResolver modelResolver = new ExtensibleModelResolver(systemContribution, modelResolvers, modelFactories); + systemContribution.setModelResolver(modelResolver); + systemContribution.setUnresolved(true); + + // create an artifact to represent the system defintions and + // add it to the contribution + List<Artifact> artifacts = systemContribution.getArtifacts(); + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI("http://tuscany.apache.org/SystemContribution/Definitions"); + artifact.setLocation("Derived"); + artifact.setModel(systemDefinitions); + artifacts.add(artifact); + + // now resolve and add the system contribution + try { + contributionProcessor.resolve(systemContribution, modelResolver, context); + } catch (ContributionResolveException e) { + throw new IllegalStateException(e); + } + } + + public Contribution cloneSystemContribution(Monitor monitor) { + init(); + Contribution contribution = contributionFactory.createContribution(); + contribution.setURI(systemContribution.getURI()); + contribution.setLocation(systemContribution.getLocation()); + + ModelResolver modelResolver = new ExtensibleModelResolver(contribution, modelResolvers, modelFactories); + contribution.setModelResolver(modelResolver); + contribution.setUnresolved(true); + + DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class); + Definitions definitions = definitionsFactory.createDefinitions(); + DefinitionsUtil.aggregate(systemDefinitions, definitions, monitor); + + // create an artifact to represent the system defintions and + // add it to the contribution + List<Artifact> artifacts = contribution.getArtifacts(); + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI("http://tuscany.apache.org/SystemContribution/Definitions"); + artifact.setLocation("Derived"); + artifact.setModel(definitions); + artifacts.add(artifact); + + // create resolver entries to represent the SCA schema. We don't create artifacts + // in the contribution as the XSD schema are only actually loaded on demand + // so as long as they are in the model resolver we are set. We do it on the clone + // so that every copy of the system contribution has the schema + ProcessorContext context = new ProcessorContext(monitor); + XSDFactory xsdFactory = modelFactories.getFactory(XSDFactory.class); + List<String> scaSchemas = validationSchema.getSchemas(); + for (String scaSchemaLocation : scaSchemas){ + try { + URL scaSchemaURL = new URL(scaSchemaLocation); + String namespace = staxHelper.readAttribute(scaSchemaURL, XSD, "targetNamespace"); + + // if this is the SCA schema store it in the system contribution + if (namespace.equals(Constants.SCA11_TUSCANY_NS)){ + + // add the schema to the model resolver under the Tuscany namespace + XSDefinition scaSchema = xsdFactory.createXSDefinition(); + scaSchema.setUnresolved(true); + scaSchema.setNamespace(namespace); + scaSchema.setLocation(IOHelper.toURI(scaSchemaURL)); + scaSchema.setUnresolved(false); +// modelResolver.addModel(scaSchema, context); + } else if (namespace.equals(Constants.SCA11_NS)) { + // we know that the SCA schema's are referenced form the Tuscany schemas so + // register the schema under the SCA namespace too + XSDefinition scaSchema = xsdFactory.createXSDefinition(); + scaSchema.setUnresolved(true); + scaSchema.setNamespace(Constants.SCA11_NS); + scaSchema.setLocation(IOHelper.toURI(scaSchemaURL)); + scaSchema.setUnresolved(false); + modelResolver.addModel(scaSchema, context); + } + } catch (Exception ex) { + throw new IllegalStateException(ex); + } + } + + return contribution; + } + + public String attachDeploymentComposite(Contribution contribution, Composite composite, boolean appending) { + init(); + + String compositeArtifactURI = composite.getName().getLocalPart() + ".composite"; + + if (appending) { + // check its not already there + for (Artifact a : contribution.getArtifacts()) { + if (compositeArtifactURI.equals(a.getURI())) { + throw new IllegalStateException("artifact '" + compositeArtifactURI + "' already exists in contribution: " + contribution.getURI()); + } + } + } + + // Create an artifact for the deployment composite + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(compositeArtifactURI); + + artifact.setLocation(compositeArtifactURI); + artifact.setModel(composite); + artifact.setUnresolved(false); + // Add it to the contribution + contribution.getArtifacts().add(artifact); + + // Replace the deployable composites with the deployment composites + // Clear the deployable composites if it's the first deployment composite + if (!appending) { + contribution.getDeployables().clear(); + } + contribution.getDeployables().add(composite); + return compositeArtifactURI; + } + + public Composite build(List<Contribution> contributions, List<Contribution> allContributions, Map<QName, List<String>> bindingMap, Monitor monitor) + throws ContributionResolveException, CompositeBuilderException { + return build(contributions, allContributions, null, bindingMap, monitor); + } + + public Composite build(List<Contribution> contributions, List<Contribution> allContributions, Contribution systemContribution, Map<QName, List<String>> bindingMap, Monitor monitor) + throws ContributionResolveException, CompositeBuilderException { + init(); + List<Contribution> contributionList = new ArrayList<Contribution>(contributions); + + if (systemContribution == null) { + systemContribution = cloneSystemContribution(monitor); + } + Definitions systemDefinitions = systemContribution.getArtifacts().get(0).getModel(); + // Build an aggregated SCA definitions model. Must be done before we try and + // resolve any contributions or composites as they may depend on the full + // definitions.xml picture + + // get all definitions.xml artifacts from contributions and aggregate + // into the system contribution. In turn add a default import into + // each contribution so that, for unresolved items, the resolution + // processing will look in the system contribution + ProcessorContext context = new ProcessorContext(monitor); + for (Contribution contribution : contributionList) { + monitor.pushContext("Contribution: " + contribution.getURI()); + try { + // aggregate definitions + for (Artifact artifact : contribution.getArtifacts()) { + if (!"META-INF/definitions.xml".equals(artifact.getURI())) { + continue; + } + Object model = artifact.getModel(); + // FIXME: Should we check the artifact URI is META-INF/definitions.xml? + if (model instanceof Definitions) { + try { + monitor.pushContext("Definitions: " + artifact.getLocation()); + DefinitionsUtil.aggregate((Definitions)model, systemDefinitions, monitor); + } finally { + monitor.popContext(); + } + } + } + + // create a default import and wire it up to the system contribution + // model resolver. This is the trick that makes the resolution processing + // skip over to the system contribution if resolution is unsuccessful + // in the current contribution + DefaultImport defaultImport = contributionFactory.createDefaultImport(); + defaultImport.setModelResolver(systemContribution.getModelResolver()); + contribution.getImports().add(defaultImport); + } finally { + monitor.popContext(); + } + } + + ExtensibleModelResolver modelResolver = + new ExtensibleModelResolver(new Contributions(contributionList), modelResolvers, modelFactories); + + // now resolve and add the system contribution + contributionProcessor.resolve(systemContribution, modelResolver, context); + contributionList.add(systemContribution); + + // pre-resolve the contributions + contributionsPreresolve(contributionList, modelResolver, context); + + // Build the contribution dependencies + Set<Contribution> resolved = new HashSet<Contribution>(); + + for (Contribution contribution : contributionList) { + buildDependencies(contribution, allContributions, monitor); + + // Resolve contributions + for (Contribution dependency : contribution.getDependencies()) { + if (!resolved.contains(dependency)) { + resolved.add(dependency); + contributionProcessor.resolve(dependency, modelResolver, context); + } + } + } + + // Create a top level composite to host our composite + // This is temporary to make the activator happy + Composite domainComposite = assemblyFactory.createComposite(); + domainComposite.setName(Composite.DOMAIN_COMPOSITE); + domainComposite.setURI(Base.SCA11_NS); + + for (Contribution contribution : contributionList) { + for (Composite composite : contribution.getDeployables()) { + // TUSCANY-3907 - clone the top level composite before we include + // it so that the composite model retained within + // the CompositeModelResolver is not changed by the build + try { + composite = (Composite)composite.clone(); + } catch (CloneNotSupportedException ex){ + // it is supported on Composite + } + + // Include the node composite in the top-level composite + domainComposite.getIncludes().add(composite); + } + } + + // build the top level composite + BuilderContext builderContext = new BuilderContext(systemDefinitions, bindingMap, monitor); + compositeBuilder.build(domainComposite, builderContext); + + // only do the local build if we know no errors have been detected + if (!monitor.isErrorDetected()) { + // do build time reference binding + buildTimeReferenceBind(domainComposite, builderContext); + } + + return domainComposite; + } + + public void resolve(List<Contribution> contributionList, Contribution systemContribution, Monitor monitor) throws ContributionResolveException, CompositeBuilderException { + init(); + + if (systemContribution == null) { + systemContribution = cloneSystemContribution(monitor); + } + Definitions systemDefinitions = systemContribution.getArtifacts().get(0).getModel(); + // Build an aggregated SCA definitions model. Must be done before we try and + // resolve any contributions or composites as they may depend on the full + // definitions.xml picture + + // get all definitions.xml artifacts from contributions and aggregate + // into the system contribution. In turn add a default import into + // each contribution so that, for unresolved items, the resolution + // processing will look in the system contribution + ProcessorContext context = new ProcessorContext(monitor); + for (Contribution contribution : contributionList) { + monitor.pushContext("Contribution: " + contribution.getURI()); + try { + // aggregate definitions + for (Artifact artifact : contribution.getArtifacts()) { + if (!"META-INF/definitions.xml".equals(artifact.getURI())) { + continue; + } + Object model = artifact.getModel(); + // FIXME: Should we check the artifact URI is META-INF/definitions.xml? + if (model instanceof Definitions) { + try { + monitor.pushContext("Definitions: " + artifact.getLocation()); + DefinitionsUtil.aggregate((Definitions)model, systemDefinitions, monitor); + } finally { + monitor.popContext(); + } + } + } + + // create a default import and wire it up to the system contribution + // model resolver. This is the trick that makes the resolution processing + // skip over to the system contribution if resolution is unsuccessful + // in the current contribution + DefaultImport defaultImport = contributionFactory.createDefaultImport(); + defaultImport.setModelResolver(systemContribution.getModelResolver()); + contribution.getImports().add(defaultImport); + } finally { + monitor.popContext(); + } + } + + ExtensibleModelResolver modelResolver = + new ExtensibleModelResolver(new Contributions(contributionList), modelResolvers, modelFactories); + + // now resolve and add the system contribution + contributionProcessor.resolve(systemContribution, modelResolver, context); + contributionList.add(systemContribution); + + // pre-resolve the contributions + contributionsPreresolve(contributionList, modelResolver, context); + + // Build the contribution dependencies + Set<Contribution> resolved = new HashSet<Contribution>(); + + for (Contribution contribution : contributionList) { + buildDependencies(contribution, contributionList, monitor); + + // Resolve contributions + for (Contribution dependency : contribution.getDependencies()) { + if (!resolved.contains(dependency)) { + resolved.add(dependency); + contributionProcessor.resolve(dependency, modelResolver, context); + } + } + } + } + + public Artifact loadArtifact(URI uri, URL location, Monitor monitor) throws ContributionReadException { + init(); + Artifact artifact = contributionFactory.createArtifact(); + artifact.setLocation(location.toString()); + artifact.setURI(uri.toString()); + URLArtifactProcessorExtensionPoint artifactProcessors = + registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + ExtensibleURLArtifactProcessor processor = new ExtensibleURLArtifactProcessor(artifactProcessors); + Object model = processor.read(null, uri, location, new ProcessorContext(monitor)); + artifact.setModel(model); + return artifact; + } + + @SuppressWarnings("unchecked") + public <T> T loadDocument(URI uri, URL location, Monitor monitor) throws ContributionReadException { + init(); + Object model = artifactProcessor.read(null, uri, location, new ProcessorContext(monitor)); + return (T)model; + } + + public Object loadXMLDocument(URL document, Monitor monitor) throws XMLStreamException, ContributionReadException { + init(); + XMLStreamReader reader = staxHelper.createXMLStreamReader(document); + reader.nextTag(); + ValidatingXMLInputFactory.setMonitor(reader, monitor); + try { + return loadXMLElement(reader, monitor); + } finally { + reader.close(); + } + } + + public void saveXMLDocument(Object model, Writer writer, Monitor monitor) throws XMLStreamException, + ContributionWriteException { + init(); + XMLStreamWriter streamWriter = staxHelper.createXMLStreamWriter(writer); + staxProcessor.write(model, streamWriter, new ProcessorContext(monitor)); + } + + public void saveXMLElement(Object model, XMLStreamWriter writer, Monitor monitor) throws XMLStreamException, + ContributionWriteException { + init(); + staxProcessor.write(model, writer, new ProcessorContext(monitor)); + } + + @SuppressWarnings("unchecked") + public Object loadXMLElement(XMLStreamReader reader, Monitor monitor) throws ContributionReadException, + XMLStreamException { + init(); + return staxProcessor.read(reader, new ProcessorContext(monitor)); + } + + public Object loadXMLDocument(Reader document) throws XMLStreamException, ContributionReadException, ValidationException { + Monitor monitor = createMonitor(); + Object model = loadXMLDocument(document, monitor); + monitor.analyzeProblems(); + return model; + } + + public Object loadXMLDocument(Reader document, Monitor monitor) throws XMLStreamException, ContributionReadException { + init(); + XMLStreamReader reader = staxHelper.createXMLStreamReader(document); + ValidatingXMLInputFactory.setMonitor(reader, monitor); + reader.nextTag(); + try { + return loadXMLElement(reader, monitor); + } finally { + reader.close(); + } + } + + public Contribution loadContribution(URI uri, URL location, Monitor monitor) throws ContributionReadException { + init(); + ProcessorContext context = new ProcessorContext(monitor); + // Load the contribution + Contribution contribution = contributionProcessor.read(null, uri, location, context); + return contribution; + } + + public ProcessorContext createProcessorContext() { + init(); + return new ProcessorContext(monitorFactory.createMonitor()); + } + + public BuilderContext createBuilderContext() { + init(); + return new BuilderContext(monitorFactory.createMonitor()); + } + + public boolean isSchemaValidationEnabled() { + return schemaValidationEnabled; + } + + public void setSchemaValidationEnabled(boolean schemaValidationEnabled) { + this.schemaValidationEnabled = schemaValidationEnabled; + } + + public Definitions getSystemDefinitions() { + init(); + return systemDefinitions; + } + + // The following operations gives references a chance to bind to + // services at deployment time. + + private void buildTimeReferenceBind(Composite domainComposite, BuilderContext context){ + // create temporary local registry for all available local endpoints + DomainRegistry domainRegistry = new LocalEndpointRegistry(registry); + + // populate the registry with all the endpoints that are present in the model + populateLocalRegistry(domainComposite, domainRegistry, context); + + // match all local services against the endpoint references + // we've just created + matchEndpointReferences(domainComposite, domainRegistry, context); + } + + private void populateLocalRegistry(Composite composite, DomainRegistry registry, BuilderContext context){ + for (Component component : composite.getComponents()) { + // recurse for composite implementations + Implementation implementation = component.getImplementation(); + if (implementation instanceof Composite) { + populateLocalRegistry((Composite)implementation, registry, context); + } + + // add all endpoints to the local registry + for (ComponentService service : component.getServices()) { + for (Endpoint endpoint : service.getEndpoints()){ + registry.addEndpoint(endpoint); + } + } + + // add endpoint references that we want to match to the registry + for (ComponentReference reference : component.getReferences()) { + for (EndpointReference epr : reference.getEndpointReferences()){ + if (epr.getStatus().equals(EndpointReference.Status.WIRED_TARGET_NOT_FOUND)|| + epr.getStatus().equals(EndpointReference.Status.WIRED_TARGET_IN_BINDING_URI)){ + registry.addEndpointReference(epr); + } + } + } + } + } + + private void matchEndpointReferences(Composite composite, DomainRegistry registry, BuilderContext builderContext){ + + // look at all the endpoint references and try to match them to + // endpoints + for (EndpointReference endpointReference : registry.getEndpointReferences()){ + endpointReferenceBinder.bindBuildTime(registry, endpointReference, builderContext); + } + } + + // A minimal endpoint registry implementation used to store the Endpoints/EndpointReferences + // for build time local reference resolution. We don't rely on the endpoint registry + // factory here as we specifically just want to do simple local resolution + class LocalEndpointRegistry extends BaseDomainRegistry { + + private List<Endpoint> endpoints = new ArrayList<Endpoint>(); + + public LocalEndpointRegistry(ExtensionPointRegistry registry){ + super(registry, null, "", ""); + } + + public void addEndpoint(Endpoint endpoint) { + endpoints.add(endpoint); + endpointAdded(endpoint); + } + + public void removeEndpoint(Endpoint endpoint) { + } + + public Collection<Endpoint> getEndpoints() { + return endpoints; + } + + public Endpoint getEndpoint(String uri) { + return null; + } + + public List<Endpoint> findEndpoint(String uri) { + List<Endpoint> foundEndpoints = new ArrayList<Endpoint>(); + for (Endpoint endpoint : endpoints) { + if (endpoint.matches(uri)) { + foundEndpoints.add(endpoint); + logger.fine("Found endpoint with matching service - " + endpoint); + } + // else the service name doesn't match + } + return foundEndpoints; + } + + public void start() { + } + + public void stop() { + } + + public List<String> getInstalledContributionURIs() { + return null; + } + + public void uninstallContribution(String uri) { + } + + public void installContribution(ContributionDescription cd) { + } + + public ContributionDescription getInstalledContribution(String uri) { + return null; + } + + public void addRunningComposite(String contributionURI, Composite composite) { + } + + public void removeRunningComposite(String contributionURI, String compositeURI) { + } + + public Composite getRunningComposite(String contributionURI, String compositeURI) { + return null; + } + + public Map<String, List<String>> getRunningCompositeURIs() { + return null; + } + + public void updateInstalledContribution(ContributionDescription cd) { + } + + @Override + public List<String> getNodeNames() { + // TODO Auto-generated method stub + return null; + } + + @Override + public String getLocalNodeName() { + // TODO Auto-generated method stub + return null; + } + + @Override + public String getRunningNodeName(String contributionURI, String compositeURI) { + // TODO Auto-generated method stub + return null; + } + + @Override + public String remoteCommand(String memberName, Callable<String> command) { + // TODO Auto-generated method stub + return null; + } + + @Override + public String getContainingCompositesContributionURI(String componentName) { + // TODO Auto-generated method stub + return null; + } + + @Override + public boolean isDistributed() { + return false; + } + } +} |