diff options
Diffstat (limited to 'sandbox/axis2-1.4/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/DefaultSCADomain.java')
| -rw-r--r-- | sandbox/axis2-1.4/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/DefaultSCADomain.java | 671 |
1 files changed, 671 insertions, 0 deletions
diff --git a/sandbox/axis2-1.4/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/DefaultSCADomain.java b/sandbox/axis2-1.4/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/DefaultSCADomain.java new file mode 100644 index 0000000000..0a7ecad0b5 --- /dev/null +++ b/sandbox/axis2-1.4/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/DefaultSCADomain.java @@ -0,0 +1,671 @@ +/* + * 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.host.embedded.impl; + +import java.io.File; +import java.io.FilenameFilter; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +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.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.CopyOnWriteArrayList; + +import javax.xml.namespace.QName; + +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.SCABinding; +import org.apache.tuscany.sca.assembly.SCABindingFactory; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.service.ContributionException; +import org.apache.tuscany.sca.contribution.service.ContributionService; +import org.apache.tuscany.sca.contribution.service.util.FileHelper; +import org.apache.tuscany.sca.core.assembly.ActivationException; +import org.apache.tuscany.sca.core.assembly.CompositeActivator; +import org.apache.tuscany.sca.core.assembly.RuntimeComponentImpl; +import org.apache.tuscany.sca.core.context.ServiceReferenceImpl; +import org.apache.tuscany.sca.host.embedded.SCADomain; +import org.apache.tuscany.sca.host.embedded.management.ComponentListener; +import org.apache.tuscany.sca.host.embedded.management.ComponentManager; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentContext; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.osoa.sca.CallableReference; +import org.osoa.sca.ServiceReference; +import org.osoa.sca.ServiceRuntimeException; + +/** + * A default SCA domain facade implementation. + * + * @version $Rev$ $Date$ + */ +public class DefaultSCADomain extends SCADomain { + + private String uri; + private String[] composites; + private Composite domainComposite; + private List<Contribution> contributions; + private Map<String, Component> components; + private ReallySmallRuntime runtime; + private ComponentManager componentManager; + private ClassLoader runtimeClassLoader; + private ClassLoader applicationClassLoader; + private String domainURI; + private String contributionLocation; + + /** + * Constructs a new domain facade. + * + * @param domainURI + * @param contributionLocation + * @param composites + */ + public DefaultSCADomain(ClassLoader runtimeClassLoader, + ClassLoader applicationClassLoader, + String domainURI, + String contributionLocation, + String... composites) { + this.uri = domainURI; + this.composites = composites; + this.runtimeClassLoader = runtimeClassLoader; + this.applicationClassLoader = applicationClassLoader; + this.domainURI = domainURI; + this.contributionLocation = contributionLocation; + this.composites = composites; + + init(); + + } + + public void init() { + contributions = new ArrayList<Contribution>(); + components = new HashMap<String, Component>(); + runtime = new ReallySmallRuntime(runtimeClassLoader); + try { + runtime.start(); + + } catch (ActivationException e) { + throw new ServiceRuntimeException(e); + } + + // Contribute the given contribution to an in-memory repository + ContributionService contributionService = runtime.getContributionService(); + URL contributionURL; + try { + contributionURL = getContributionLocation(applicationClassLoader, contributionLocation, this.composites); + if (contributionURL != null) { + // Make sure the URL is correctly encoded (for example, escape the space characters) + contributionURL = contributionURL.toURI().toURL(); + } + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + + try { + String scheme = contributionURL.toURI().getScheme(); + if (scheme == null || scheme.equalsIgnoreCase("file")) { + final File contributionFile = new File(contributionURL.toURI()); + // Allow privileged access to test file. Requires FilePermission in security policy. + Boolean isDirectory = AccessController.doPrivileged(new PrivilegedAction<Boolean>() { + public Boolean run() { + return contributionFile.isDirectory(); + } + }); + if (isDirectory) { + // Allow privileged access to create file list. Requires FilePermission in + // security policy. + String[] contributions = AccessController.doPrivileged(new PrivilegedAction<String[]>() { + public String[] run() { + return contributionFile.list(new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.endsWith(".jar"); + } + }); + } + }); + + if (contributions != null && contributions.length > 0 + && contributions.length == contributionFile.list().length) { + for (String contribution : contributions) { + addContribution(contributionService, new File(contributionFile, contribution).toURI() + .toURL()); + } + } else { + addContribution(contributionService, contributionURL); + } + } else { + addContribution(contributionService, contributionURL); + } + } else { + addContribution(contributionService, contributionURL); + } + } catch (IOException e) { + throw new ServiceRuntimeException(e); + } catch (URISyntaxException e) { + throw new ServiceRuntimeException(e); + } + + // Create an in-memory domain level composite + AssemblyFactory assemblyFactory = runtime.getAssemblyFactory(); + domainComposite = assemblyFactory.createComposite(); + domainComposite.setName(new QName(Constants.SCA10_NS, "domain")); + domainComposite.setURI(domainURI); + + //when the deployable composites were specified when initializing the runtime + if (composites != null && composites.length > 0 && composites[0].length() > 0) { + // Include all specified deployable composites in the SCA domain + Map<String, Composite> compositeArtifacts = new HashMap<String, Composite>(); + for (Contribution contribution : contributions) { + for (Artifact artifact : contribution.getArtifacts()) { + if (artifact.getModel() instanceof Composite) { + compositeArtifacts.put(artifact.getURI(), (Composite)artifact.getModel()); + } + } + } + for (String compositePath : composites) { + Composite composite = compositeArtifacts.get(compositePath); + if (composite == null) { + throw new ServiceRuntimeException("Composite not found: " + compositePath); + } + domainComposite.getIncludes().add(composite); + } + } else { + // in this case, a sca-contribution.xml should have been specified + for (Contribution contribution : contributions) { + for (Composite composite : contribution.getDeployables()) { + domainComposite.getIncludes().add(composite); + } + } + } + + //update the runtime for all SCA Definitions processed from the contribution.. + //so that the policyset determination done during 'build' has the all the defined + //intents and policysets + //runtime.updateSCADefinitions(null); + + // Build the SCA composites + for (Composite composite : domainComposite.getIncludes()) { + try { + runtime.buildComposite(composite); + } catch (CompositeBuilderException e) { + throw new ServiceRuntimeException(e); + } + } + + // Activate and start composites + CompositeActivator compositeActivator = runtime.getCompositeActivator(); + compositeActivator.setDomainComposite(domainComposite); + for (Composite composite : domainComposite.getIncludes()) { + try { + compositeActivator.activate(composite); + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + for (Composite composite : domainComposite.getIncludes()) { + try { + for (Component component : composite.getComponents()) { + compositeActivator.start(component); + } + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + // Index the top level components + for (Composite composite : domainComposite.getIncludes()) { + for (Component component : composite.getComponents()) { + components.put(component.getName(), component); + } + } + + this.componentManager = new DefaultSCADomainComponentManager(this); + + // For debugging purposes, print the composites + // ExtensionPointRegistry extensionPoints = runtime.getExtensionPointRegistry(); + // StAXArtifactProcessorExtensionPoint artifactProcessors = extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + // StAXArtifactProcessor processor = artifactProcessors.getProcessor(Composite.class); + // for (Composite composite : domainComposite.getIncludes()) { + // try { + // ByteArrayOutputStream bos = new ByteArrayOutputStream(); + // XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); + // outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); + // processor.write(composite, outputFactory.createXMLStreamWriter(bos)); + // Document document = + // DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos + // .toByteArray())); + // OutputFormat format = new OutputFormat(); + // format.setIndenting(true); + // format.setIndent(2); + // XMLSerializer serializer = new XMLSerializer(System.out, format); + // serializer.serialize(document); + // } catch (Exception e) { + // e.printStackTrace(); + // } + // } + } + + protected void addContribution(final ContributionService contributionService, final URL contributionURL) throws IOException { + String contributionURI = FileHelper.getName(contributionURL.getPath()); + if (contributionURI == null || contributionURI.length() == 0) { + contributionURI = contributionURL.toString(); + } + // Allow privileged access to load resources. Requires RuntimePermission in security + // policy. + final String finalContributionURI = contributionURI; + try { + AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { + public Object run() throws ContributionException, IOException { + contributions.add(contributionService.contribute(finalContributionURI, contributionURL, false)); + return null; + } + }); + } catch (PrivilegedActionException e) { + throw new ServiceRuntimeException(e.getException()); + } + } + + @Override + public void close() { + + super.close(); + + // Stop and deactivate composites + CompositeActivator compositeActivator = runtime.getCompositeActivator(); + for (Composite composite : domainComposite.getIncludes()) { + try { + for (Component component : composite.getComponents()) { + compositeActivator.stop(component); + } + } catch (ActivationException e) { + throw new ServiceRuntimeException(e); + } + } + for (Composite composite : domainComposite.getIncludes()) { + try { + compositeActivator.deactivate(composite); + } catch (ActivationException e) { + throw new ServiceRuntimeException(e); + } + } + + // Remove the contribution from the in-memory repository + ContributionService contributionService = runtime.getContributionService(); + for (Contribution contribution : contributions) { + try { + contributionService.remove(contribution.getURI()); + } catch (ContributionException e) { + throw new ServiceRuntimeException(e); + } + } + + // Stop the runtime + try { + runtime.stop(); + } catch (ActivationException e) { + throw new ServiceRuntimeException(e); + } + } + + /** + * Determine the location of a contribution, given a contribution path and a + * list of composites. + * + * @param contributionPath + * @param composites + * @param classLoader + * @return + * @throws MalformedURLException + */ + protected URL getContributionLocation(ClassLoader classLoader, String contributionPath, String[] composites) + throws MalformedURLException { + if (contributionPath != null && contributionPath.length() > 0) { + //encode spaces as they would cause URISyntaxException + contributionPath = contributionPath.replace(" ", "%20"); + URI contributionURI = URI.create(contributionPath); + if (contributionURI.isAbsolute() || composites.length == 0) { + return new URL(contributionPath); + } + } + + String contributionArtifactPath = null; + URL contributionArtifactURL = null; + if (composites != null && composites.length > 0 && composites[0].length() > 0) { + + // Here the SCADomain was started with a reference to a composite file + contributionArtifactPath = composites[0]; + contributionArtifactURL = classLoader.getResource(contributionArtifactPath); + if (contributionArtifactURL == null) { + throw new IllegalArgumentException("Composite not found: " + contributionArtifactPath); + } + } else { + + // Here the SCADomain was started without any reference to a composite file + // We are going to look for an sca-contribution.xml or sca-contribution-generated.xml + + // Look for META-INF/sca-contribution.xml + contributionArtifactPath = Contribution.SCA_CONTRIBUTION_META; + contributionArtifactURL = classLoader.getResource(contributionArtifactPath); + + // Look for META-INF/sca-contribution-generated.xml + if (contributionArtifactURL == null) { + contributionArtifactPath = Contribution.SCA_CONTRIBUTION_GENERATED_META; + contributionArtifactURL = classLoader.getResource(contributionArtifactPath); + } + + // Look for META-INF/sca-deployables directory + if (contributionArtifactURL == null) { + contributionArtifactPath = Contribution.SCA_CONTRIBUTION_DEPLOYABLES; + contributionArtifactURL = classLoader.getResource(contributionArtifactPath); + } + } + + if (contributionArtifactURL == null) { + throw new IllegalArgumentException( + "Can't determine contribution deployables. Either specify a composite file, or use an sca-contribution.xml file to specify the deployables."); + } + + URL contributionURL = null; + // "jar:file://....../something.jar!/a/b/c/app.composite" + try { + String url = contributionArtifactURL.toExternalForm(); + String protocol = contributionArtifactURL.getProtocol(); + if ("file".equals(protocol)) { + // directory contribution + if (url.endsWith(contributionArtifactPath)) { + final String location = url.substring(0, url.lastIndexOf(contributionArtifactPath)); + // 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 (protocol != null && (protocol.equals("bundle") || protocol.equals("bundleresource"))) { + contributionURL = + new URL(contributionArtifactURL.getProtocol(), contributionArtifactURL.getHost(), + contributionArtifactURL.getPort(), "/"); + } + } catch (MalformedURLException mfe) { + throw new IllegalArgumentException(mfe); + } + + return contributionURL; + } + + @Override + @SuppressWarnings("unchecked") + public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { + return (R)runtime.getProxyFactory().cast(target); + } + + @Override + 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(); + } + + private <B> ServiceReference<B> createServiceReference(Class<B> businessInterface, String targetURI) { + try { + AssemblyFactory assemblyFactory = runtime.getAssemblyFactory(); + Composite composite = assemblyFactory.createComposite(); + composite.setName(new QName(Constants.SCA10_TUSCANY_NS, "default")); + RuntimeComponent component = (RuntimeComponent)assemblyFactory.createComponent(); + component.setName("default"); + component.setURI("default"); + runtime.getCompositeActivator().configureComponentContext(component); + composite.getComponents().add(component); + RuntimeComponentReference reference = (RuntimeComponentReference)assemblyFactory.createComponentReference(); + reference.setName("default"); + ModelFactoryExtensionPoint factories = + runtime.getExtensionPointRegistry().getExtensionPoint(ModelFactoryExtensionPoint.class); + JavaInterfaceFactory javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); + InterfaceContract interfaceContract = javaInterfaceFactory.createJavaInterfaceContract(); + interfaceContract.setInterface(javaInterfaceFactory.createJavaInterface(businessInterface)); + reference.setInterfaceContract(interfaceContract); + component.getReferences().add(reference); + reference.setComponent(component); + SCABindingFactory scaBindingFactory = factories.getFactory(SCABindingFactory.class); + SCABinding binding = scaBindingFactory.createSCABinding(); + binding.setURI(targetURI); + reference.getBindings().add(binding); + return new ServiceReferenceImpl<B>(businessInterface, component, reference, binding, runtime + .getProxyFactory(), runtime.getCompositeActivator()); + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + @Override + 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 in the domain + Component component = components.get(componentName); + if (component == null) { + // The component is not local in the partition, try to create a remote service ref + return createServiceReference(businessInterface, name); + } + 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 = "$promoted$." + serviceName; + } + componentContext = + ((RuntimeComponent)compositeService.getPromotedComponent()).getComponentContext(); + return componentContext.createSelfReference(businessInterface, compositeService + .getPromotedService()); + } + break; + } + } + // No matching service is 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); + } + } + + } + + @Override + public String getURI() { + return uri; + } + + @Override + public ComponentManager getComponentManager() { + return componentManager; + } + + public Set<String> getComponentNames() { + Set<String> componentNames = new HashSet<String>(); + for (Contribution contribution : contributions) { + for (Artifact artifact : contribution.getArtifacts()) { + if (artifact.getModel() instanceof Composite) { + for (Component component : ((Composite)artifact.getModel()).getComponents()) { + componentNames.add(component.getName()); + } + } + } + } + return componentNames; + } + + public Component getComponent(String componentName) { + for (Contribution contribution : contributions) { + for (Artifact artifact : contribution.getArtifacts()) { + if (artifact.getModel() instanceof Composite) { + for (Component component : ((Composite)artifact.getModel()).getComponents()) { + if (component.getName().equals(componentName)) { + return component; + } + } + } + } + } + return null; + } + + public void startComponent(String componentName) throws ActivationException { + Component component = getComponent(componentName); + if (component == null) { + throw new IllegalArgumentException("no component: " + componentName); + } + CompositeActivator compositeActivator = runtime.getCompositeActivator(); + compositeActivator.start(component); + } + + public void stopComponent(String componentName) throws ActivationException { + Component component = getComponent(componentName); + if (component == null) { + throw new IllegalArgumentException("no component: " + componentName); + } + CompositeActivator compositeActivator = runtime.getCompositeActivator(); + compositeActivator.stop(component); + } +} + +class DefaultSCADomainComponentManager implements ComponentManager { + + protected DefaultSCADomain scaDomain; + protected List<ComponentListener> listeners = new CopyOnWriteArrayList<ComponentListener>(); + + public DefaultSCADomainComponentManager(DefaultSCADomain scaDomain) { + this.scaDomain = scaDomain; + } + + public void addComponentListener(ComponentListener listener) { + this.listeners.add(listener); + } + + public void removeComponentListener(ComponentListener listener) { + this.listeners.remove(listener); + } + + public Set<String> getComponentNames() { + return scaDomain.getComponentNames(); + } + + public Component getComponent(String componentName) { + return scaDomain.getComponent(componentName); + } + + public void startComponent(String componentName) throws ActivationException { + scaDomain.startComponent(componentName); + } + + public void stopComponent(String componentName) throws ActivationException { + scaDomain.stopComponent(componentName); + } + + public void notifyComponentStarted(String componentName) { + for (ComponentListener listener : listeners) { + try { + listener.componentStarted(componentName); + } catch (Exception e) { + e.printStackTrace(); // TODO: log + } + } + } + + public void notifyComponentStopped(String componentName) { + for (ComponentListener listener : listeners) { + try { + listener.componentStopped(componentName); + } catch (Exception e) { + e.printStackTrace(); // TODO: log + } + } + } + + public boolean isComponentStarted(String componentName) { + RuntimeComponentImpl runtimeComponent = (RuntimeComponentImpl)getComponent(componentName); + return runtimeComponent.isStarted(); + } + +} |