diff options
Diffstat (limited to 'sandbox/slaws/modules/domain-rework/src/main/java/org/apache/tuscany/sca/domain/rework/DomainServiceImpl.java')
| -rw-r--r-- | sandbox/slaws/modules/domain-rework/src/main/java/org/apache/tuscany/sca/domain/rework/DomainServiceImpl.java | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/sandbox/slaws/modules/domain-rework/src/main/java/org/apache/tuscany/sca/domain/rework/DomainServiceImpl.java b/sandbox/slaws/modules/domain-rework/src/main/java/org/apache/tuscany/sca/domain/rework/DomainServiceImpl.java new file mode 100644 index 0000000000..876e1be73a --- /dev/null +++ b/sandbox/slaws/modules/domain-rework/src/main/java/org/apache/tuscany/sca/domain/rework/DomainServiceImpl.java @@ -0,0 +1,638 @@ +/* + * 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.domain.rework; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.FilenameFilter; +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +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.Binding; +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.Reference; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilder; +import org.apache.tuscany.sca.assembly.xml.CompositeProcessor; +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.ContributionFactory; +import org.apache.tuscany.sca.contribution.DefaultContributionFactory; +import org.apache.tuscany.sca.contribution.Export; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceExport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.processor.ExtensiblePackageProcessor; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.PackageProcessor; +import org.apache.tuscany.sca.contribution.processor.PackageProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +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.contribution.service.ContributionException; +import org.apache.tuscany.sca.contribution.service.ContributionListenerExtensionPoint; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionRepository; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.contribution.service.ExtensibleContributionListener; +import org.apache.tuscany.sca.contribution.service.TypeDescriber; +import org.apache.tuscany.sca.contribution.service.impl.ContributionRepositoryImpl; +import org.apache.tuscany.sca.contribution.service.impl.PackageTypeDescriberImpl; +import org.apache.tuscany.sca.contribution.xml.ContributionMetadataDocumentProcessor; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.definitions.SCADefinitions; +import org.apache.tuscany.sca.definitions.xml.SCADefinitionsDocumentProcessor; +import org.apache.tuscany.sca.host.embedded.impl.ReallySmallRuntime; +import org.apache.tuscany.sca.implementation.node.NodeImplementation; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.workspace.DefaultWorkspaceFactory; +import org.apache.tuscany.sca.workspace.Workspace; +import org.apache.tuscany.sca.workspace.WorkspaceFactory; +import org.apache.tuscany.sca.workspace.configuration.impl.NodeAssigner; +import org.apache.tuscany.sca.workspace.configuration.impl.NodeInfo; +import org.apache.xml.serialize.OutputFormat; +import org.apache.xml.serialize.XMLSerializer; +import org.osoa.sca.ServiceRuntimeException; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Scope; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Document; +import org.xml.sax.SAXException; + +/** + * Stores details of services exposed and retrieves details of remote services + * + * @version $Rev$ $Date$ + */ +@Scope("COMPOSITE") +@Service(interfaces = {DomainServiceInit.class, DomainService.class}) +public class DomainServiceImpl implements DomainServiceInit, DomainService { + + private final static Logger logger = Logger.getLogger(DomainServiceImpl.class.getName()); + + private ReallySmallRuntime runtime; + private String domainURI; + + private File uploaded; + private File repository; + + private ExtensionPointRegistry registry; + + private ContributionFactory contributionFactory; + private ContributionRepository contributionRepository; + + private WorkspaceFactory workspaceFactory; + private Workspace contributionWorkspace; + + private XMLInputFactory xmlFactory; + private XMLOutputFactory xmlOutputFactory; + + private PackageProcessor packageProcessor; + + private ExtensibleURLArtifactProcessor artifactProcessor; + + private ExtensibleStAXArtifactProcessor staxProcessor; + + private ExtensibleContributionListener contributionListener; + + private ModelResolverExtensionPoint modelResolvers; + + private ModelFactoryExtensionPoint modelFactories; + + private AssemblyFactory assemblyFactory; + + private ModelResolver domainModelResolver; + + private CompositeBuilder compositeBuilder; + + private CompositeProcessor compositeProcessor; + + private PolicyFactory policyFactory; + + private DocumentBuilder documentBuilder; + + private Composite domainComposite; + + @Property + protected String repositoryLocation; + + //@Reference + //protected Collection<NodeService> nodes; + + public DomainServiceImpl(){ + } + + // from tuscany-runtime + private List<URL> getJARsInFolder(File repository) { + + String[] jarNames = repository.list(new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.endsWith(".jar"); + } + }); + + List<URL> contributionJars = new ArrayList<URL>(); + if (jarNames != null) { + for (String jar : jarNames) { + try { + contributionJars.add(new File(repository, jar).toURL()); + } catch (MalformedURLException e) { + throw new RuntimeException(e); + } + } + } + + return contributionJars; + } + + // from domain impl + private String getComposite(Composite composite){ + ExtensionPointRegistry registry = runtime.getExtensionPointRegistry(); + + StAXArtifactProcessorExtensionPoint staxProcessors = + registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + + StAXArtifactProcessor<Composite> processor = staxProcessors.getProcessor(Composite.class); + + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + try { + XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); + //outputFactory.setProperty("javax.xml.stream.isPrefixDefaulting",Boolean.TRUE); + XMLStreamWriter writer = outputFactory.createXMLStreamWriter(bos); + + processor.write(composite, writer); + writer.flush(); + writer.close(); + } catch (Exception ex) { + System.out.println(ex.toString()); + } + + String compositeString = bos.toString(); + + return compositeString; + } + + // from ContributionService + private void findContributionArtifacts(Contribution contribution){ + try { + // read contribution meta data + URL contributionURL = new URL(contribution.getLocation()); + URL[] clUrls = {contributionURL}; + URLClassLoader cl = new URLClassLoader(clUrls, null); + + ContributionMetadataDocumentProcessor metadataDocumentProcessor = + new ContributionMetadataDocumentProcessor(staxProcessor, xmlFactory); + + for (String path: new String[]{ + Contribution.SCA_CONTRIBUTION_GENERATED_META, + Contribution.SCA_CONTRIBUTION_META}) { + URL url = cl.getResource(path); + if (url != null) { + Contribution tmpContribution = metadataDocumentProcessor.read(contributionURL, URI.create(path), url); + contribution.getImports().addAll(tmpContribution.getImports()); + contribution.getExports().addAll(tmpContribution.getExports()); + contribution.getDeployables().addAll(tmpContribution.getDeployables()); + } + } + + // set the model resolver + ModelResolver modelResolver = new ExtensibleModelResolver(contribution, modelResolvers, modelFactories, domainModelResolver); + contribution.setModelResolver(modelResolver); + + // find all the contribution artifacts + InputStream contributionStream = contributionURL.openStream(); + List<URI> contributionArtifacts = this.packageProcessor.getArtifacts(contributionURL, contributionStream); + + // add the artifacts to the contribution model + for (URI anArtifactUri : contributionArtifacts) { + URL artifactURL = packageProcessor.getArtifactURL(new URL(contribution.getLocation()), anArtifactUri); + System.out.println(" Artifact URL: " + artifactURL.toString()); + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(anArtifactUri.toString()); + artifact.setLocation(artifactURL.toString()); + contribution.getArtifacts().add(artifact); + modelResolver.addModel(artifact); + } + + } catch(Exception ex){ + logger.warning(ex.toString()); + } + } + + private void readContributionArtifacts(Contribution contribution){ + try { + // add the artifacts to the contribution model + for (Artifact artifact : contribution.getArtifacts()) { + Object model = null; + + // WARNING - I've missed out Venkat's "applies to" function to make life a + // little clearer + model = artifactProcessor.read(new URL(contribution.getLocation()), + new URI(artifact.getURI()), + new URL(artifact.getLocation())); + + if (model != null) { + artifact.setModel(model); + + // Add the loaded model to the model resolver + contribution.getModelResolver().addModel(model); + + if ( model instanceof Composite) { + ((Composite)model).setURI(artifact.getURI()); + } + + /* + if ( model instanceof SCADefinitions ) { + contributionSCADefinitions.add((SCADefinitions)model); + updatePolicySetMap((SCADefinitions)model); + } + */ + } + + } + + } catch(Exception ex){ + logger.warning(ex.toString()); + } + } + + private void resolveContributionArtifacts(Contribution contribution){ + try { + for (Artifact artifact : contribution.getArtifacts()) { + // resolve the model object + if (/*(artifact.getURI().endsWith(".composite") == false) &&*/ (artifact.getModel() != null)) { + artifactProcessor.resolve(artifact.getModel(), contribution.getModelResolver()); + } + } + } catch(Exception ex){ + logger.warning(ex.toString()); + } + } + + /* + private void resolveComposite(Contribution contribution, Composite composite){ + try { + artifactProcessor.resolve(composite, contribution.getModelResolver()); + } catch(Exception ex){ + logger.warning(ex.toString()); + } + } + */ + + + + + /** + * A test method to fire up the various steps in the process of handling contributions + * So I can get to the stage of being able to process contributions + * TODO - replace with real workspace that Sebastien is working on + */ + public void test(){ + + try { + // set up the repository where contributions will be stored + repository = new File(repositoryLocation); + + if ((!repository.exists()) || (!repository.isDirectory())){ + logger.warning("Can't find repository - " + repositoryLocation); + } + + // set up the dummy location where contributions are uploaded to + String uploadedLocation = repository.getParent() + "/uploaded"; + uploaded = new File(uploadedLocation); + + if ((!uploaded.exists()) || (!uploaded.isDirectory())){ + logger.warning("Can't find uploaded dir"); + } + + // create the repository and the workspace + contributionRepository = new ContributionRepositoryImpl(repositoryLocation, + XMLInputFactory.newInstance()); + contributionWorkspace = workspaceFactory.createWorkspace(); + + + // pretend that contributions are being added by reading the list of jars in the + // uploaded dir + List<URL> contributionJars = getJARsInFolder(uploaded); + + // copy uploaded contributions to the repository + // TODO - no clear how this relates to the workspace. Need more info on workspace + // but for now just create a contribution model and add to the workspace + for (URL contributionURL : contributionJars){ + String contributionName = new File(contributionURL.toURI()).getName(); + System.out.println("Processing: " + contributionName); + + contributionRepository.store(contributionName, contributionURL); + + Contribution contribution = contributionFactory.createContribution(); + contribution.setURI(contributionName); + contribution.setLocation(contributionURL.toString()); + + contributionWorkspace.getContributions().add(contribution); + } + + // find the artifacts in the contributions in the workspace + for (Contribution contribution : contributionWorkspace.getContributions()){ + findContributionArtifacts(contribution); + } + + // read the artifacts in the contributions in the workspace + for (Contribution contribution : contributionWorkspace.getContributions()){ + readContributionArtifacts(contribution); + } + + // resolve the artifacts in the contributions in the workspace + for (Contribution contribution : contributionWorkspace.getContributions()){ + resolveContributionArtifacts(contribution); + } + + /* + // parse the contributions into a model + for (URL contributionURL : contributions){ + + Contribution contribution = runtime.getContributionService().contribute(new File(contributionURL.toURI()).getName(), + contributionURL, + false); + // workspace or repository? + //contributionRepository.addContribution(contribution); + contributionWorkspace.getContributions().add(contribution); + } + */ + + // For interest look at contribution contents + for (Contribution contribution : contributionWorkspace.getContributions()){ + System.out.println("Contribution URI: " + contribution.getURI()); + + for (Artifact artifact : contribution.getArtifacts()){ + System.out.println(" Artifact URI: " + artifact.getURI().toString()); + } + + // report which contribution satisfies which import + for (Import anImport : contribution.getImports()){ + if (anImport instanceof JavaImport){ + System.out.println(" Java Import: " + ((JavaImport)anImport).getPackage()); + } + if (anImport instanceof NamespaceImport){ + System.out.println(" Namespace Import: " + ((NamespaceImport)anImport).getNamespace()); + } + /* + for (Contribution importContribution : anImport.getExportContributions()){ + System.out.println(" Import contribution: " + importContribution.getURI().toString()); + } + */ + } + + for (Export anExport : contribution.getExports()){ + if (anExport instanceof JavaExport){ + System.out.println(" Java Export: " + ((JavaExport)anExport).getPackage()); + } + if (anExport instanceof NamespaceExport){ + System.out.println(" Namespace Export: " + ((NamespaceExport)anExport).getNamespace()); + } + } + + for (Composite composite : contribution.getDeployables()){ + System.out.println(" Deployable Composite URI: " + composite.getName().toString()); + } + } + + // create a domain level virtual composite + AssemblyFactory assemblyFactory = runtime.getAssemblyFactory(); + domainComposite = assemblyFactory.createComposite(); + domainComposite.setName(new QName(Constants.SCA10_NS, "domainComposite")); + domainComposite.setURI(domainURI); + + // Use the deployable composite list to find the composites to load into the domain + // TODO - there will be some selection process here + for (Contribution contribution : contributionWorkspace.getContributions()){ + for (Composite deployableComposite : contribution.getDeployables()) { + Composite deployable = contribution.getModelResolver().resolveModel(Composite.class, deployableComposite); + domainComposite.getIncludes().add(deployable); + } + } + + + System.out.println("\nVANILLA"); + System.out.println("========================================================================"); + writeComposite(domainComposite); + for (Composite composite : domainComposite.getIncludes()){ + writeComposite(composite); + } + + // assign individual deployed composites to nodes + // Use the node model on disc to do this in lieu of user input + URL contributionURL = DomainServiceImpl.class.getClassLoader().getResource("domain/nodes.composite"); + Contribution contribution = contributionFactory.createContribution(); + contribution.setURI("nodes"); + String contributionURLString = contributionURL.toString(); + contribution.setLocation(contributionURLString.substring(0, contributionURLString.lastIndexOf("nodes.composite"))); + + findContributionArtifacts(contribution); + readContributionArtifacts(contribution); + resolveContributionArtifacts(contribution); + + // find node.composite + Artifact nodeArtifact = null; + for (Artifact artifact : contribution.getArtifacts()){ + System.out.println(" Artifact URI: " + artifact.getURI()); + if (artifact.getURI().equals("nodes.composite")){ + nodeArtifact = artifact; + } + } + + Composite nodes = (Composite)nodeArtifact.getModel(); + + // Configure the endpoints of services based on the defaults found in the + // nodes configuration + NodeAssigner nodeAssigner = new NodeAssigner(registry); + + for (Component node : nodes.getComponents()){ + QName compositeName = ((NodeImplementation)node.getImplementation()).getComposite().getName(); + + Composite compositeModel = null; + + // find the named composite in the domain + for (Composite deployable : domainComposite.getIncludes()){ + if (deployable.getName().equals(compositeName)){ + compositeModel = deployable; + break; + } + } + + if (compositeModel != null){ + // configure the composite + + NodeInfo nodeInfo = new NodeInfo(node); + nodeAssigner.assignEndpointsToServiceBinding(nodeInfo, compositeModel, null); + } + } + + System.out.println("\nAFTER ENDPOINT INITIALIZATION"); + System.out.println("========================================================================"); + writeComposite(domainComposite); + for (Composite composite : domainComposite.getIncludes()){ + writeComposite(composite); + } + + // build the domain composite + compositeBuilder.build(domainComposite); + + // print out the domain composite + System.out.println("\nAFTER BUILDING"); + System.out.println("========================================================================"); + writeComposite(domainComposite); + for (Composite composite : domainComposite.getIncludes()){ + writeComposite(composite); + } + + // remove the contributions from the repository + for (URL jarURL : contributionJars){ + contributionRepository.remove(new File(jarURL.toURI()).getName()); + } + + } catch (Exception ex) { + logger.warning(ex.toString()); + } + + } + + private void writeComposite(Composite composite) throws Exception { + // First write to a byte stream + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + XMLStreamWriter writer = xmlOutputFactory.createXMLStreamWriter(bos); + compositeProcessor.write(composite, writer); + + // Parse again to pretty format the document + Document document = documentBuilder.parse(new ByteArrayInputStream(bos.toByteArray())); + + OutputFormat format = new OutputFormat(); + format.setIndenting(true); + format.setIndent(2); + + // Write to domain.composite + //FileOutputStream os = new FileOutputStream(new File(compositeFileName)); + XMLSerializer serializer = new XMLSerializer(System.out, format); + serializer.serialize(document); + + } + + // DomainServiceInit methods + public void setDomainURI(String domainURI){ + this.domainURI = domainURI; + } + + // We use an existing runtime to save much repeated work in this test class + // TODO - look at how we get hold of these things for real + public void setRuntime(ReallySmallRuntime domainRuntime){ + try { + this.runtime = domainRuntime; + + registry = runtime.getExtensionPointRegistry(); + + xmlFactory = XMLInputFactory.newInstance(); + + TypeDescriber describer = new PackageTypeDescriberImpl(); + packageProcessor = new ExtensiblePackageProcessor(registry.getExtensionPoint(PackageProcessorExtensionPoint.class), describer); + + artifactProcessor = new ExtensibleURLArtifactProcessor(registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class)); + + staxProcessor = new ExtensibleStAXArtifactProcessor(registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class), xmlFactory, XMLOutputFactory.newInstance()); + + contributionListener = new ExtensibleContributionListener(registry.getExtensionPoint(ContributionListenerExtensionPoint.class)); + + modelResolvers = registry.getExtensionPoint(ModelResolverExtensionPoint.class); + + modelFactories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class); + + assemblyFactory = runtime.getAssemblyFactory(); + + contributionFactory = new DefaultContributionFactory(); + + workspaceFactory = new DefaultWorkspaceFactory(); + + URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + SCADefinitionsDocumentProcessor definitionsDocumentProcessor = (SCADefinitionsDocumentProcessor)documentProcessors.getProcessor(SCADefinitions.class); + domainModelResolver = definitionsDocumentProcessor.getSCADefinitionsResolver(); + + compositeBuilder = runtime.getCompositeBuilder(); + + policyFactory = modelFactories.getFactory(PolicyFactory.class); + compositeProcessor = new CompositeProcessor(contributionFactory, assemblyFactory, policyFactory, staxProcessor); + + xmlOutputFactory = modelFactories.getFactory(XMLOutputFactory.class); + + documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); + + /* + this.domainResolver = domainResolver; + this.systemSCADefinitions = scaDefinitions; + */ + + } catch (Exception ex) { + System.out.println("Exception setting runtime on domain service " + ex.toString()); + } + } + + // DomainService methods + public List<ArtifactImpl> getContributions(){ + List<ArtifactImpl> artifacts = new ArrayList<ArtifactImpl>(); + + for (Contribution contribution : contributionWorkspace.getContributions()){ + ArtifactImpl artifact = new ArtifactImpl(); + + artifact.setName(contribution.getURI()); + artifact.setURL(contribution.getLocation()); + artifacts.add(artifact); + } + + return artifacts; + } + +} |