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authorjsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68>2008-09-17 06:59:35 +0000
committerjsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68>2008-09-17 06:59:35 +0000
commit54158d9b017dae6a75d813a96463d05e1153ae31 (patch)
treed193ea0f5c600cdd8a2142bec570687b362f5610 /branches/sca-android/samples/domain-management/src/main/java/manager/DistributeComponents.java
parent7679e1376ad956fb631d1ca5c22982e1e5c8058f (diff)
Starting to clean up android branch, creating subsets of samples, demos, tutorials that can be ported to android.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@696177 13f79535-47bb-0310-9956-ffa450edef68
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-/*
- * 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 manager;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URL;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import javax.xml.namespace.QName;
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.stream.XMLInputFactory;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-import javax.xml.transform.TransformerFactory;
-
-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.SCABindingFactory;
-import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
-import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl;
-import org.apache.tuscany.sca.binding.atom.AtomBindingFactory;
-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.ExtensibleStAXArtifactProcessor;
-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.ExtensibleModelResolver;
-import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint;
-import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
-import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.ModuleActivator;
-import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint;
-import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.implementation.node.NodeImplementation;
-import org.apache.tuscany.sca.implementation.node.NodeImplementationFactory;
-import org.apache.tuscany.sca.implementation.node.builder.impl.NodeCompositeBuilderImpl;
-import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
-import org.apache.tuscany.sca.monitor.Monitor;
-import org.apache.tuscany.sca.monitor.MonitorFactory;
-import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
-import org.apache.tuscany.sca.policy.PolicyFactory;
-import org.apache.tuscany.sca.workspace.Workspace;
-import org.apache.tuscany.sca.workspace.WorkspaceFactory;
-import org.apache.tuscany.sca.workspace.builder.ContributionDependencyBuilder;
-import org.apache.tuscany.sca.workspace.builder.impl.ContributionDependencyBuilderImpl;
-import org.apache.xml.serialize.OutputFormat;
-import org.apache.xml.serialize.XMLSerializer;
-import org.w3c.dom.Document;
-import org.xml.sax.SAXException;
-
-/**
- * Sample DistributeComponents task
- *
- * This sample shows how to use a subset of Tuscany to read contribution
- * metadata, analyze and resolve contribution dependencies, read and resolve
- * the artifacts that they contribute (in particular implementation artifacts,
- * interfaces, composites, componentTypes etc.) and assembe and wire the
- * deployable composites together in a composite model representing an SCA
- * domain composite.
- *
- * The difference between this sample and the WireComponents sample is an
- * extra step to allocate deployable composites to SCA nodes. SCA nodes allow
- * you to provide default configuration for the deploayable composites allocated
- * to them, for example default binding configuration.
- *
- * The sample first reads the SCA metadata for three sample contributions,
- * reads and resolve the artifacts contained in the contributions, includes all their
- * deployable composites in a composite model representing an SCA domain, then
- * uses several composite builder utilities to configure them as specified in the
- * SCA nodes hosting them and assemble and wire them together.
- * Finally it prints the resulting domain composite model, showing service bindings
- * configured with the URIs from the nodes hosting them.
- *
- * @version $Rev$ $Date$
- */
-public class DistributeComponents {
-
- private static URLArtifactProcessor<Contribution> contributionProcessor;
- private static ModelResolverExtensionPoint modelResolvers;
- private static ModelFactoryExtensionPoint modelFactories;
- private static WorkspaceFactory workspaceFactory;
- private static AssemblyFactory assemblyFactory;
- private static XMLOutputFactory outputFactory;
- private static DocumentBuilderFactory documentBuilderFactory;
- private static TransformerFactory transformerFactory;
- private static StAXArtifactProcessor<Object> xmlProcessor;
- private static ContributionDependencyBuilder contributionDependencyBuilder;
- private static CompositeBuilder domainCompositeBuilder;
- private static CompositeBuilder nodeCompositeBuilder;
- private static NodeImplementationFactory nodeFactory;
- private static AtomBindingFactory atomBindingFactory;
-
- private static void init() {
-
- // Create extension point registry
- ExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
-
- // Create a monitor
- UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
- MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
- Monitor monitor = monitorFactory.createMonitor();
-
- // Initialize the Tuscany module activators
- ModuleActivatorExtensionPoint moduleActivators = extensionPoints.getExtensionPoint(ModuleActivatorExtensionPoint.class);
- for (ModuleActivator activator: moduleActivators.getModuleActivators()) {
- activator.start(extensionPoints);
- }
-
- // Get XML input/output factories
- modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);
- XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class);
- outputFactory = modelFactories.getFactory(XMLOutputFactory.class);
- documentBuilderFactory = modelFactories.getFactory(DocumentBuilderFactory.class);
- transformerFactory = modelFactories.getFactory(TransformerFactory.class);
-
- // Get contribution workspace and assembly model factories
- workspaceFactory = modelFactories.getFactory(WorkspaceFactory.class);
- assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
- nodeFactory = modelFactories.getFactory(NodeImplementationFactory.class);
- atomBindingFactory = modelFactories.getFactory(AtomBindingFactory.class);
-
- // Create XML artifact processors
- StAXArtifactProcessorExtensionPoint xmlProcessorExtensions = extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
- xmlProcessor = new ExtensibleStAXArtifactProcessor(xmlProcessorExtensions, inputFactory, outputFactory, monitor);
-
- // Create contribution content processor
- URLArtifactProcessorExtensionPoint docProcessorExtensions = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
- contributionProcessor = docProcessorExtensions.getProcessor(Contribution.class);
-
- // Get the model resolvers
- modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class);
-
- // Create a contribution dependency builder
- contributionDependencyBuilder = new ContributionDependencyBuilderImpl(monitor);
-
- // Create a composite builder
- SCABindingFactory scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class);
- IntentAttachPointTypeFactory attachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class);
- InterfaceContractMapper contractMapper = utilities.getUtility(InterfaceContractMapper.class);
- domainCompositeBuilder = new CompositeBuilderImpl(assemblyFactory, scaBindingFactory, attachPointTypeFactory,
- documentBuilderFactory, transformerFactory, contractMapper, monitor);
-
- // Create a node composite builder
- nodeCompositeBuilder = new NodeCompositeBuilderImpl(assemblyFactory, scaBindingFactory,
- documentBuilderFactory, transformerFactory, contractMapper, null, monitor);
- }
-
-
- public static void main(String[] args) throws Exception {
- init();
-
- // Create workspace model
- Workspace workspace = workspaceFactory.createWorkspace();
- workspace.setModelResolver(new ExtensibleModelResolver(workspace, modelResolvers, modelFactories));
-
- // Read the sample store contribution
- URI storeURI = URI.create("store");
- URL storeURL = new File("./target/sample-domain-management-store.jar").toURI().toURL();
- Contribution storeContribution = contributionProcessor.read(null, storeURI, storeURL);
- workspace.getContributions().add(storeContribution);
-
- // Read the sample assets contribution
- URI assetsURI = URI.create("assets");
- URL assetsURL = new File("./target/sample-domain-management-assets.jar").toURI().toURL();
- Contribution assetsContribution = contributionProcessor.read(null, assetsURI, assetsURL);
- workspace.getContributions().add(assetsContribution);
-
- // Read the sample client contribution
- URI clientURI = URI.create("client");
- URL clientURL = new File("./target/sample-domain-management-client.jar").toURI().toURL();
- Contribution clientContribution = contributionProcessor.read(null, clientURI, clientURL);
- workspace.getContributions().add(clientContribution);
-
- // Build the contribution dependencies
- Set<Contribution> resolved = new HashSet<Contribution>();
- for (Contribution contribution: workspace.getContributions()) {
- List<Contribution> dependencies = contributionDependencyBuilder.buildContributionDependencies(contribution, workspace);
-
- // Resolve contributions
- for (Contribution dependency: dependencies) {
- if (!resolved.contains(dependency)) {
- resolved.add(dependency);
- contributionProcessor.resolve(dependency, workspace.getModelResolver());
- }
- }
- }
-
- // Create a set of nodes, and assign the sample deployables to them
- Composite cloudComposite = assemblyFactory.createComposite();
- cloudComposite.setName(new QName("http://sample", "cloud"));
- for (int i = 0, n = workspace.getDeployables().size(); i < n; i++) {
-
- // Create a node
- Component node = assemblyFactory.createComponent();
- node.setName("Node" + i);
- cloudComposite.getComponents().add(node);
-
- // Add default binding configuration to the node, our samples use
- // Atom bindings so here we're just creating default Atom binding
- // configurations, but all the other binding types can be configured
- // like that too
- ComponentService nodeService = assemblyFactory.createComponentService();
- Binding binding = atomBindingFactory.createAtomBinding();
- binding.setURI("http://localhost:" + (8100 + i));
- nodeService.getBindings().add(binding);
- node.getServices().add(nodeService);
-
- // Assign a deployable to the node
- NodeImplementation nodeImplementation = nodeFactory.createNodeImplementation();
- Composite deployable = workspace.getDeployables().get(i);
- nodeImplementation.setComposite(deployable);
- node.setImplementation(nodeImplementation);
- }
-
- // Print the model describing the nodes that we just built
- System.out.println("cloud.composite");
- print(cloudComposite);
- System.out.println();
-
- // Build the nodes, this will apply their default binding configuration to the
- // composites assigned to them
- nodeCompositeBuilder.build(cloudComposite);
-
- // Create a composite model for the domain
- Composite domainComposite = assemblyFactory.createComposite();
- domainComposite.setName(new QName("http://sample", "domain"));
-
- // Add all deployables to it, normally the domain administrator would select
- // the deployables to include
- domainComposite.getIncludes().addAll(workspace.getDeployables());
-
- // Build the domain composite and wire the components included in it
- domainCompositeBuilder.build(domainComposite);
-
- // Print out the resulting domain composite
- System.out.println("domain.composite");
- print(domainComposite);
- }
-
- private static void print(Composite composite) throws XMLStreamException, ContributionWriteException, ParserConfigurationException, SAXException, IOException {
-
- ByteArrayOutputStream bos = new ByteArrayOutputStream();
- XMLStreamWriter writer = outputFactory.createXMLStreamWriter(bos);
- xmlProcessor.write(composite, writer);
-
- // Parse and write again to pretty format it
- DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
- Document document = documentBuilder.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);
- }
-}