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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java')
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diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java new file mode 100644 index 0000000000..0f110f0584 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java @@ -0,0 +1,897 @@ +/* +* 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.node.impl; + +import java.io.ByteArrayInputStream; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLClassLoader; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.security.PrivilegedActionException; +import java.security.PrivilegedExceptionAction; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.CompositeService; +import org.apache.tuscany.sca.assembly.xml.CompositeDocumentProcessor; +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.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionService; +import org.apache.tuscany.sca.contribution.service.util.FileHelper; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.assembly.ActivationException; +import org.apache.tuscany.sca.core.assembly.CompositeActivator; +import org.apache.tuscany.sca.implementation.node.ConfiguredNodeImplementation; +import org.apache.tuscany.sca.implementation.node.NodeImplementationFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.MonitorRuntimeException; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.node.SCAClient; +import org.apache.tuscany.sca.node.SCAContribution; +import org.apache.tuscany.sca.node.SCANode; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentContext; +import org.osoa.sca.CallableReference; +import org.osoa.sca.ServiceReference; +import org.osoa.sca.ServiceRuntimeException; + +/** + * A local representation of the SCADomain running on a single node + * + * @version $Rev$ $Date$ + */ +public class NodeImpl implements SCANode, SCAClient { + + private static final Logger logger = Logger.getLogger(NodeImpl.class.getName()); + + // The node configuration name, used for logging + private String configurationName; + + // The Tuscany runtime that does the hard work + private RuntimeBootStrapper runtime; + private CompositeActivator compositeActivator; + private XMLInputFactory inputFactory; + private ModelFactoryExtensionPoint modelFactories; + private StAXArtifactProcessorExtensionPoint artifactProcessors; + private URLArtifactProcessorExtensionPoint documentProcessors; + private Monitor monitor; + + private List<Contribution> contributions; + // The composite loaded into this node + private Composite composite; + + /** + * Constructs a new SCA node. + * + * @param configurationURI the URI of the node configuration information. + */ + NodeImpl(String configurationURI) { + configurationName = configurationURI; + logger.log(Level.INFO, "Creating node: " + configurationName); + + try { + // Initialize the runtime + initRuntime(); + + // Read the node configuration feed + StAXArtifactProcessor<ConfiguredNodeImplementation> configurationProcessor = + artifactProcessors.getProcessor(ConfiguredNodeImplementation.class); + URL configurationURL = new URL(configurationURI); + InputStream is = configurationURL.openStream(); + XMLStreamReader reader = inputFactory.createXMLStreamReader(is); + reader.nextTag(); + ConfiguredNodeImplementation configuration = configurationProcessor.read(reader); + is.close(); + + // Resolve contribution URLs + for (Contribution contribution : configuration.getContributions()) { + URL contributionURL = new URL(configurationURL, contribution.getLocation()); + contribution.setLocation(contributionURL.toString()); + } + + // Resolve composite URL + URL compositeURL = new URL(configurationURL, configuration.getComposite().getURI()); + configuration.getComposite().setURI(compositeURL.toString()); + + // Configure the node + configureNode(configuration, null); + + } catch (ServiceRuntimeException e) { + throw e; + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * Construct a node by discovering the node configuration on the classpath + * @param classLoader + * @param compositeURI + */ + NodeImpl() { + configurationName = "default"; + logger.log(Level.INFO, "Creating node: " + configurationName); + + try { + initRuntime(); + + ConfiguredNodeImplementation config = findNodeConfiguration(null, null); + configureNode(config, null); + } catch (ServiceRuntimeException e) { + throw e; + } catch (Throwable e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * Construct a node by discovering the node configuration (composite+contrbutions) on the classpath + * @param classLoader + * @param compositeURI + */ + NodeImpl(ClassLoader classLoader, String compositeURI) { + configurationName = compositeURI; + logger.log(Level.INFO, "Creating node: " + configurationName); + + if (compositeURI != null) { + //URI uri = URI.create(compositeURI); + URI uri; + try { + uri = new URI(null, compositeURI, null); + } catch (URISyntaxException e) { + throw new IllegalArgumentException("Invalid Composite URI: " + compositeURI, e); + } + + if (uri.isAbsolute()) { + throw new IllegalArgumentException("Composite URI must be a resource name: " + compositeURI); + } + } + try { + // Initialize the runtime + initRuntime(); + + ConfiguredNodeImplementation config = findNodeConfiguration(compositeURI, classLoader); + configureNode(config, null); + } catch (ServiceRuntimeException e) { + throw e; + } catch (Throwable e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * Discover the contribution on the classpath + * @param compositeURI + * @param classLoader + * @return A configured node implementation + * @throws Exception + */ + private ConfiguredNodeImplementation findNodeConfiguration(final String compositeURI, ClassLoader classLoader) + throws Exception { + NodeImplementationFactory nodeImplementationFactory = + modelFactories.getFactory(NodeImplementationFactory.class); + ConfiguredNodeImplementation config = nodeImplementationFactory.createConfiguredNodeImplementation(); + + // Default to thread context classloader + if (classLoader == null) { + classLoader = Thread.currentThread().getContextClassLoader(); + } + String contributionArtifactPath = compositeURI; + URL contributionArtifactURL = null; + if (compositeURI != null) { + contributionArtifactURL = getResource(classLoader, compositeURI); + if (contributionArtifactURL == null) { + throw new IllegalArgumentException("Composite not found: " + contributionArtifactPath); + } + // Set to relative URI to avoid duplicate loading + Composite composite = createComposite(compositeURI); + config.setComposite(composite); + } else { + // No composite is specified, tring to search the SCA metadata files + contributionArtifactPath = Contribution.SCA_CONTRIBUTION_META; + contributionArtifactURL = getResource(classLoader, Contribution.SCA_CONTRIBUTION_META); + + if (contributionArtifactURL == null) { + contributionArtifactPath = Contribution.SCA_CONTRIBUTION_GENERATED_META; + contributionArtifactURL = getResource(classLoader, Contribution.SCA_CONTRIBUTION_GENERATED_META); + } + if (contributionArtifactURL == null) { + contributionArtifactPath = Contribution.SCA_CONTRIBUTION_DEPLOYABLES; + contributionArtifactURL = getResource(classLoader, Contribution.SCA_CONTRIBUTION_DEPLOYABLES); + } + + // No contribution can be discovered + if (contributionArtifactURL == null) { + throw new IllegalArgumentException("No default contribution can be discovered on the classpath"); + } + + // No composite will be created, all deployable composites will be used later + } + + Contribution c = getContribution(contributionArtifactURL, contributionArtifactPath); + config.getContributions().add(c); + + return config; + } + + private Contribution getContribution(URL contributionArtifactURL, String contributionArtifactPath) { + URL contributionURL = getContributionURL(contributionArtifactURL, contributionArtifactPath); + + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + + SCAContribution contribution = new SCAContribution(contributionURL.toString(), contributionURL.toString()); + Contribution c = createContribution(contributionFactory, contribution); + return c; + } + + public static URL getContributionURL(URL contributionArtifactURL, String contributionArtifactPath) { + URL contributionURL = null; + // "jar:file://....../something.jar!/a/b/c/app.composite" + try { + String url = contributionArtifactURL.toExternalForm(); + String protocol = contributionArtifactURL.getProtocol(); + String escapedContributionArtifactPath = new URI(null, contributionArtifactPath, null).toASCIIString(); + + if ("file".equals(protocol)) { + // directory contribution + if (url.endsWith(escapedContributionArtifactPath)) { + final String location = url.substring(0, url.lastIndexOf(escapedContributionArtifactPath)); + // workaround from evil URL/URI form Maven + // contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL(); + // Allow privileged access to open URL stream. Add FilePermission to added to + // security policy file. + try { + contributionURL = AccessController.doPrivileged(new PrivilegedExceptionAction<URL>() { + public URL run() throws IOException { + return FileHelper.toFile(new URL(location)).toURI().toURL(); + } + }); + } catch (PrivilegedActionException e) { + throw (MalformedURLException)e.getException(); + } + } + + } else if ("jar".equals(protocol)) { + // jar contribution + String location = url.substring(4, url.lastIndexOf("!/")); + // workaround for evil URL/URI from Maven + contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL(); + + } else if ("wsjar".equals(protocol)) { + // See https://issues.apache.org/jira/browse/TUSCANY-2219 + // wsjar contribution + String location = url.substring(6, url.lastIndexOf("!/")); + // workaround for evil url/uri from maven + contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL(); + + } else if ("zip".equals(protocol)) { + // See https://issues.apache.org/jira/browse/TUSCANY-2598 + // zip contribution, remove the zip prefix and pad with file: + String location = "file:"+url.substring(4, url.lastIndexOf("!/")); + contributionURL = FileHelper.toFile(new URL(location)).toURI().toURL(); + + } else if (protocol != null && (protocol.equals("bundle") || protocol.equals("bundleresource"))) { + contributionURL = + new URL(contributionArtifactURL.getProtocol(), contributionArtifactURL.getHost(), + contributionArtifactURL.getPort(), "/"); + } + } catch (MalformedURLException mfe) { + throw new IllegalArgumentException(mfe); + } catch (URISyntaxException use) { + throw new IllegalArgumentException(use); + } + return contributionURL; + } + + private static URL getResource(final ClassLoader classLoader, final String compositeURI) { + return AccessController.doPrivileged(new PrivilegedAction<URL>() { + public URL run() { + return classLoader.getResource(compositeURI); + } + }); + } + + /** + * Constructs a new SCA node. + * + * @param compositeURI + * @param contributions + */ + NodeImpl(String compositeURI, SCAContribution[] contributions) { + configurationName = compositeURI; + logger.log(Level.INFO, "Creating node: " + configurationName); + + try { + // Initialize the runtime + initRuntime(); + + URI uri = compositeURI == null ? null : URI.create(compositeURI); + ConfiguredNodeImplementation configuration = null; + if (contributions == null || contributions.length == 0) { + if (uri != null && uri.getScheme() != null) { + throw new IllegalArgumentException("No SCA contributions are provided"); + } + configuration = findNodeConfiguration(compositeURI, null); + } else { + + // Create a node configuration + NodeImplementationFactory nodeImplementationFactory = + modelFactories.getFactory(NodeImplementationFactory.class); + configuration = nodeImplementationFactory.createConfiguredNodeImplementation(); + + Composite composite = compositeURI == null ? null : createComposite(compositeURI); + configuration.setComposite(composite); + + + // Create contribution models + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + for (SCAContribution c : contributions) { + Contribution contribution = createContribution(contributionFactory, c); + configuration.getContributions().add(contribution); + } + } + + // Configure the node + configureNode(configuration, null); + + } catch (ServiceRuntimeException e) { + throw e; + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + private Composite createComposite(String compositeURI) { + // Create composite model + AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + Composite composite = assemblyFactory.createComposite(); + composite.setURI(compositeURI); + composite.setUnresolved(true); + return composite; + } + + /** + * Constructs a new SCA node. + * + * @param compositeURI + * @param compositeContent + * @param contributions + */ + NodeImpl(String compositeURI, String compositeContent, SCAContribution[] contributions) { + configurationName = compositeURI; + logger.log(Level.INFO, "Creating node: " + configurationName); + + try { + // Initialize the runtime + initRuntime(); + + ConfiguredNodeImplementation configuration = null; + if (contributions == null || contributions.length == 0) { + configuration = findNodeConfiguration(compositeURI, null); + } else { + // Create a node configuration + NodeImplementationFactory nodeImplementationFactory = + modelFactories.getFactory(NodeImplementationFactory.class); + configuration = nodeImplementationFactory.createConfiguredNodeImplementation(); + + // Defer reading the composite content until the contributions have been loaded (TUSCANY-3569) + + // Create contribution models + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + for (SCAContribution c : contributions) { + Contribution contribution = createContribution(contributionFactory, c); + configuration.getContributions().add(contribution); + } + } + + // Configure the node + configureNode(configuration, compositeContent); + + } catch (ServiceRuntimeException e) { + throw e; + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + private static Contribution createContribution(ContributionFactory contributionFactory, SCAContribution c) { + Contribution contribution = contributionFactory.createContribution(); + contribution.setURI(c.getURI()); + contribution.setLocation(c.getLocation()); + contribution.setUnresolved(true); + return contribution; + } + + /** + * Initialize the Tuscany runtime. + * + * @throws Exception + */ + private void initRuntime() throws Exception { + + // Create a node runtime + runtime = new RuntimeBootStrapper(Thread.currentThread().getContextClassLoader()); + runtime.start(); + + // Get the various factories we need + ExtensionPointRegistry registry = runtime.getExtensionPointRegistry(); + modelFactories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class); + inputFactory = modelFactories.getFactory(XMLInputFactory.class); + + // Create the required artifact processors + artifactProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + + documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + + // Save the composite activator + compositeActivator = runtime.getCompositeActivator(); + + // save the monitor + UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + monitor = monitorFactory.createMonitor(); + } + + /** + * Escape the space in URL string + * @param uri + * @return + */ + private static URI createURI(String uri) { + if (uri.indexOf(' ') != -1) { + uri = uri.replace(" ", "%20"); + } + return URI.create(uri); + } + + private void configureNode(ConfiguredNodeImplementation configuration, String compositeContent) throws Exception { + + // Find if any contribution JARs already available locally on the classpath + Map<String, URL> localContributions = localContributions(); + + // Load the specified contributions + ContributionService contributionService = runtime.getContributionService(); + contributions = new ArrayList<Contribution>(); + for (Contribution contribution : configuration.getContributions()) { + URI uri = createURI(contribution.getLocation()); + if (uri.getScheme() == null) { + uri = new File(contribution.getLocation()).toURI(); + } + URL contributionURL = uri.toURL(); + + // Extract contribution file name + String file = contributionURL.getPath(); + int i = file.lastIndexOf('/'); + if (i != -1 && i < file.length() - 1) { + file = file.substring(i + 1); + + // If we find the local contribution file on the classpath, use it in + // place of the original contribution URL + URL localContributionURL = localContributions.get(file); + if (localContributionURL != null) { + contributionURL = localContributionURL; + } + } + + // Load the contribution + logger.log(Level.INFO, "Loading contribution: " + contributionURL); + contributions.add(contributionService.contribute(contribution.getURI(), contributionURL, false)); + analyzeProblems(); + } + + composite = configuration.getComposite(); + + // Read the composite content after the contributions have been loaded, so that the + // policySet definitions provided by the contributions are available (TUSCANY-3569) + if (composite == null && compositeContent != null) { + logger.log(Level.INFO, "Loading composite: " + configurationName); + CompositeDocumentProcessor compositeDocProcessor = + (CompositeDocumentProcessor)documentProcessors.getProcessor(Composite.class); + composite = + compositeDocProcessor.read(URI.create(configurationName), new ByteArrayInputStream(compositeContent + .getBytes("UTF-8"))); + analyzeProblems(); + configuration.setComposite(composite); + } + + if(composite != null && composite.isUnresolved()) { + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + Artifact compositeFile = contributionFactory.createArtifact(); + compositeFile.setUnresolved(true); + compositeFile.setURI(composite.getURI()); + for (Contribution c : contributions) { + ModelResolver resolver = c.getModelResolver(); + Artifact resolved = resolver.resolveModel(Artifact.class, compositeFile); + if (resolved != null && resolved.isUnresolved() == false) { + composite = (Composite) resolved.getModel(); + break; + } + } + } + + // FIXME: This is a hack to get a list of deployable composites. By design, the deployment composite should + // has been configured + if (composite == null) { + List<Composite> deployables = new ArrayList<Composite>(); + for (Contribution c : contributions) { + deployables.addAll(c.getDeployables()); + } + aggregate(deployables); + configuration.setComposite(composite); + } + + Contribution contribution = null; + if (composite.getName() == null) { + // Load the specified composite + URL compositeURL; + + URI uri = createURI(configuration.getComposite().getURI()); + if (uri.getScheme() == null) { + + // If the composite URI is a relative URI, try to resolve it within the contributions + contribution = contribution(contributions, uri.toString()); + if (contribution == null) { + throw new IllegalArgumentException("Composite is not found in contributions: " + uri); + } + compositeURL = new URL(location(contribution, uri.toString())); + + } else { + + // If the composite URI is an absolute URI, use it as is + compositeURL = uri.toURL(); + } + + URLArtifactProcessor<Composite> compositeDocProcessor = documentProcessors.getProcessor(Composite.class); + // Read the composite + logger.log(Level.INFO, "Loading composite: " + compositeURL); + // InputStream is = compositeURL.openStream(); + // XMLStreamReader reader = inputFactory.createXMLStreamReader(is); + try { + composite = compositeDocProcessor.read(null, uri, compositeURL); + } catch (ContributionReadException e) { + // ignore - errors will be detected by analyzeProblems() call below + } + // reader.close(); + + analyzeProblems(); + + } + // And resolve the composite within the scope of the last contribution + if (contribution == null && contributions.size() != 0) { + contribution = contributions.get(contributions.size() - 1); + } + + // Resolve the given composite within the scope of the selected contribution + if (contribution != null) { + StAXArtifactProcessor<Composite> compositeProcessor = artifactProcessors.getProcessor(Composite.class); + compositeProcessor.resolve(composite, contribution.getModelResolver()); + analyzeProblems(); + } + // Create a top level composite to host our composite + // This is temporary to make the activator happy + AssemblyFactory assemblyFactory = runtime.getAssemblyFactory(); + Composite tempComposite = assemblyFactory.createComposite(); + tempComposite.setName(new QName("http://tuscany.apache.org/xmlns/sca/1.0", "temp")); + tempComposite.setURI("http://tuscany.apache.org/xmlns/sca/1.0"); + + // Include the node composite in the top-level composite + tempComposite.getIncludes().add(composite); + + // set the top level composite on the composite activator as + // logic in callable reference resolution relies on this being + // available + compositeActivator.setDomainComposite(tempComposite); + + // Build the composite + runtime.buildComposite(composite); + + analyzeProblems(); + } + + /** + * Create a deployment composite that includes a list of deployable composites + * @param composites + */ + private void aggregate(List<Composite> composites) { + if (composites.size() == 0) { + throw new IllegalArgumentException("No deployable composite is declared"); + } else if (composites.size() == 1) { + composite = composites.get(0); + } else { + // Include all composites + AssemblyFactory assemblyFactory = runtime.getAssemblyFactory(); + Composite aggregated = assemblyFactory.createComposite(); + aggregated.setName(new QName("http://tuscany.apache.org/xmlns/sca/1.0", "aggregated")); + aggregated.setURI("http://tuscany.apache.org/xmlns/sca/1.0/aggregated"); + aggregated.getIncludes().addAll(composites); + composite = aggregated; + } + } + + /** + * Returns the artifact representing the given composite. + * + * @param contribution + * @param compositeURI + * @return + */ + private String location(Contribution contribution, String uri) { + if (uri != null && uri.startsWith("/")) { + uri = uri.substring(1); + } + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + Artifact compositeFile = contributionFactory.createArtifact(); + compositeFile.setUnresolved(true); + compositeFile.setURI(uri); + ModelResolver resolver = contribution.getModelResolver(); + Artifact resolved = resolver.resolveModel(Artifact.class, compositeFile); + if (resolved != null && !resolved.isUnresolved()) { + return resolved.getLocation(); + } else { + return null; + } + } + + /** + * Returns the contribution containing the given composite. + * + * @param contributions + * @param compositeURI + * @return + */ + private Contribution contribution(List<Contribution> contributions, String compositeURI) { + if (compositeURI != null && compositeURI.startsWith("/")) { + compositeURI = compositeURI.substring(1); + } + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + Artifact compositeFile = contributionFactory.createArtifact(); + compositeFile.setUnresolved(true); + compositeFile.setURI(compositeURI); + for (Contribution c : contributions) { + ModelResolver resolver = c.getModelResolver(); + Artifact resolved = resolver.resolveModel(Artifact.class, compositeFile); + if (resolved != null && !resolved.isUnresolved()) { + return c; + } + } + return null; + } + + private void analyzeProblems() throws Exception { + + for (Problem problem : monitor.getProblems()) { + if ((problem.getSeverity() == Severity.ERROR) && (!problem.getMessageId().equals("SchemaError"))) { + if (problem.getCause() != null) { + throw new ServiceRuntimeException(new MonitorRuntimeException(problem.getCause())); + } else { + throw new ServiceRuntimeException(new MonitorRuntimeException(problem.toString())); + } + } + } + } + + public void start() { + logger.log(Level.INFO, "Starting node: " + configurationName); + + try { + + // Activate the composite + compositeActivator.activate(composite); + + // Start the composite + compositeActivator.start(composite); + + } catch (ActivationException e) { + throw new ServiceRuntimeException(e); + } + } + + public void stop() { + logger.log(Level.INFO, "Stopping node: " + configurationName); + + try { + + // Stop the composite + compositeActivator.stop(composite); + + // Deactivate the composite + compositeActivator.deactivate(composite); + + runtime.stop(); + } catch (ActivationException e) { + throw new ServiceRuntimeException(e); + } + } + + public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { + return (R)runtime.getProxyFactory().cast(target); + } + + public <B> B getService(Class<B> businessInterface, String serviceName) { + + ServiceReference<B> serviceReference = getServiceReference(businessInterface, serviceName); + if (serviceReference == null) { + throw new ServiceRuntimeException("Service not found: " + serviceName); + } + return serviceReference.getService(); + } + + public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String name) { + + // Extract the component name + String componentName; + String serviceName; + int i = name.indexOf('/'); + if (i != -1) { + componentName = name.substring(0, i); + serviceName = name.substring(i + 1); + + } else { + componentName = name; + serviceName = null; + } + + // Lookup the component + Component component = null; + + for (Component compositeComponent : composite.getComponents()) { + if (compositeComponent.getName().equals(componentName)) { + component = compositeComponent; + break; + } + } + + if (component == null) { + throw new ServiceRuntimeException("The service " + name + " has not been contributed to the domain"); + } + RuntimeComponentContext componentContext = null; + + // If the component is a composite, then we need to find the + // non-composite component that provides the requested service + if (component.getImplementation() instanceof Composite) { + for (ComponentService componentService : component.getServices()) { + if (serviceName == null || serviceName.equals(componentService.getName())) { + CompositeService compositeService = (CompositeService)componentService.getService(); + if (compositeService != null) { + if (serviceName != null) { + serviceName = "$promoted$" + component.getName() + "$slash$" + serviceName; + } + componentContext = + ((RuntimeComponent)compositeService.getPromotedComponent()).getComponentContext(); + + if (componentContext == null){ + // there is a break in the promotion chain so just let and exception + // be thrown + break; + } + return componentContext.createSelfReference(businessInterface, compositeService + .getPromotedService()); + } + break; + } + } + // No matching service found + throw new ServiceRuntimeException("Composite service not found: " + name); + } else { + componentContext = ((RuntimeComponent)component).getComponentContext(); + if (serviceName != null) { + return componentContext.createSelfReference(businessInterface, serviceName); + } else { + return componentContext.createSelfReference(businessInterface); + } + } + } + + /** + * Returns the extension point registry used by this node. + * + * @return + */ + public ExtensionPointRegistry getExtensionPointRegistry() { + return runtime.getExtensionPointRegistry(); + } + + /** + * Returns the composite being run by this node. + * + * @return + */ + public Composite getComposite() { + return composite; + } + + /** + * Returns contribution JARs available on the classpath. + * + * @return + */ + private static Map<String, URL> localContributions() { + Map<String, URL> localContributions = new HashMap<String, URL>(); + collectJARs(localContributions, Thread.currentThread().getContextClassLoader()); + return localContributions; + } + + /** + * Collect JARs on the classpath of a URLClassLoader + * @param urls + * @param cl + */ + private static void collectJARs(Map<String, URL> urls, ClassLoader cl) { + if (cl == null) { + return; + } + + // Collect JARs from the URLClassLoader's classpath + if (cl instanceof URLClassLoader) { + URL[] jarURLs = ((URLClassLoader)cl).getURLs(); + if (jarURLs != null) { + for (URL jarURL : jarURLs) { + String file = jarURL.getPath(); + int i = file.lastIndexOf('/'); + if (i != -1 && i < file.length() - 1) { + file = file.substring(i + 1); + urls.put(file, jarURL); + } + } + } + } + + // Collect JARs from the parent ClassLoader + collectJARs(urls, cl.getParent()); + } + + public CompositeActivator getCompositeActivator() { + return compositeActivator; + } + + public RuntimeBootStrapper getRuntime() { + return runtime; + } + +} |