diff options
| author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-09-14 10:28:19 +0000 |
|---|---|---|
| committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-09-14 10:28:19 +0000 |
| commit | 68b93019180e9f497921454f3386d95ec3f32bba (patch) | |
| tree | 446ccefee9b4c46698e819b34cd6b777b960bdd6 /java/sca/modules/scdl/src | |
| parent | cbc194b482429c79a3652c7cb1c395f811b1d77e (diff) | |
Start prototype of a module for scdl processing. Based on a ML conversation from a while back talking about wanting the model and xml modules being useable without the runtime modules. This lets you load SCA contributions creating the Tuscany model objects
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@814564 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'java/sca/modules/scdl/src')
| -rw-r--r-- | java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/Contributions.java | 160 | ||||
| -rw-r--r-- | java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/SCDLUtils.java | 431 |
2 files changed, 591 insertions, 0 deletions
diff --git a/java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/Contributions.java b/java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/Contributions.java new file mode 100644 index 0000000000..dc35af5da6 --- /dev/null +++ b/java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/Contributions.java @@ -0,0 +1,160 @@ +/*
+ * 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.scdl;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Extension;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.Export;
+import org.apache.tuscany.sca.contribution.Import;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+
+/**
+ * A Contribution impl wrapping multiple other contributions
+ * Currently the sole reason for this is so
+ */
+public class Contributions implements Contribution {
+
+ private List<Contribution> contributions = new ArrayList<Contribution>();
+ private String location;
+ private String uri;
+ private Object model;
+ private byte[] contents;
+ private boolean unresolved;
+ private ModelResolver modelResolver;
+ private List<Contribution> dependencies = new ArrayList<Contribution>();
+
+ public Contributions(List<Contribution> contributions) {
+ this.contributions = contributions;
+ }
+
+ public String getLocation() {
+ return location;
+ }
+
+ public Object getModel() {
+ return model;
+ }
+
+ public String getURI() {
+ return uri;
+ }
+
+ public void setLocation(String location) {
+ this.location = location;
+ }
+
+ public void setModel(Object model) {
+ this.model = model;
+ }
+
+ public byte[] getContents() {
+ return contents;
+ }
+
+ public void setContents(byte[] contents) {
+ this.contents = contents;
+ }
+
+ public void setURI(String uri) {
+ this.uri = uri;
+ }
+
+ public boolean isUnresolved() {
+ return unresolved;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ this.unresolved = unresolved;
+ }
+
+ public List<Contribution> getContributions() {
+ return contributions;
+ }
+
+ public List<Artifact> getArtifacts() {
+ return (List<Artifact>)(Object)contributions;
+ }
+
+ public List<Contribution> getDependencies() {
+ return dependencies;
+ }
+
+ public ClassLoader getClassLoader() {
+ //FIXME Remove later
+ return null;
+ }
+
+ public void setClassLoader(ClassLoader classLoader) {
+ //FIXME Remove later
+ }
+
+ public List<Composite> getDeployables() {
+ List<Composite> deployables = new ArrayList<Composite>();
+ for (Contribution contribution: contributions) {
+ deployables.addAll(contribution.getDeployables());
+ }
+ return deployables;
+ }
+
+ public List<Export> getExports() {
+ List<Export> exports = new ArrayList<Export>();
+ for (Contribution contribution: contributions) {
+ exports.addAll(contribution.getExports());
+ }
+ return exports;
+ }
+
+ public List<Import> getImports() {
+ List<Import> imports = new ArrayList<Import>();
+ for (Contribution contribution: contributions) {
+ imports.addAll(contribution.getImports());
+ }
+ return imports;
+ }
+
+ public ModelResolver getModelResolver() {
+ return modelResolver;
+ }
+
+ public void setModelResolver(ModelResolver modelResolver) {
+ this.modelResolver = modelResolver;
+ }
+
+ public List<Extension> getAttributeExtensions() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public List<Object> getExtensions() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public Set<String> getTypes() {
+ return Collections.emptySet();
+ }
+}
diff --git a/java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/SCDLUtils.java b/java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/SCDLUtils.java new file mode 100644 index 0000000000..c2b0785cab --- /dev/null +++ b/java/sca/modules/scdl/src/main/java/org/apache/tuscany/sca/scdl/SCDLUtils.java @@ -0,0 +1,431 @@ +/*
+ * 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.scdl;
+
+import static org.apache.tuscany.sca.common.java.io.IOHelper.createURI;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.Composite;
+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.DefaultImport;
+import org.apache.tuscany.sca.contribution.Export;
+import org.apache.tuscany.sca.contribution.Import;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtendedURLArtifactProcessor;
+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.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.DefaultImportModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.definitions.DefinitionsFactory;
+import org.apache.tuscany.sca.definitions.util.DefinitionsUtil;
+import org.apache.tuscany.sca.definitions.xml.DefinitionsExtensionPoint;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.apache.tuscany.sca.monitor.Problem;
+
+public class SCDLUtils {
+
+// private static final String SCA11_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.1";
+
+ public static Composite readComposite(InputStream is) throws XMLStreamException, ContributionReadException {
+ DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+ XMLInputFactory inputFactory = XMLInputFactory.newInstance();
+ UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+ MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
+ Monitor monitor = monitorFactory.createMonitor();
+ StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
+ StAXArtifactProcessor<Object> staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, null, monitor);
+ XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
+ Composite composite = (Composite)staxProcessor.read(reader);
+
+ List<Problem> ps = monitor.getProblems();
+ if (ps.size() > 0) {
+ throw new ContributionReadException(ps.get(0).toString());
+ }
+
+ return composite;
+ }
+
+ public static Contribution readContribution(String location) throws Exception {
+
+ DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+ extensionPoints.start();
+
+ UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+ MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
+ Monitor monitor = monitorFactory.createMonitor();
+ URLArtifactProcessorExtensionPoint docProcessorExtensions = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+ ExtendedURLArtifactProcessor<Contribution> contributionProcessor = (ExtendedURLArtifactProcessor<Contribution>) docProcessorExtensions.getProcessor(Contribution.class);
+
+ File f = new File(location);
+ List<Contribution> contributions = new ArrayList<Contribution>();
+ contributions.add(contributionProcessor.read(null, f.toURI(), f.toURI().toURL()));
+
+ FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+// AssemblyFactory assemblyFactory = new RuntimeAssemblyFactory(extensionPoints);
+// modelFactories.addFactory(assemblyFactory);
+
+ monitor = monitorFactory.createMonitor();
+
+ ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+
+ contributionProcessor = (ExtendedURLArtifactProcessor<Contribution>) docProcessorExtensions.getProcessor(Contribution.class);
+
+ ModelResolverExtensionPoint modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class);
+
+ DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class);
+ Definitions systemDefinitions = definitionsFactory.createDefinitions();
+
+ // create a system contribution to hold the definitions. The contribution
+ // will be extended later with definitions from application contributions
+ Contribution systemContribution = contributionFactory.createContribution();
+ systemContribution.setURI("http://tuscany.apache.org/SystemContribution");
+ systemContribution.setLocation("http://tuscany.apache.org/SystemContribution");
+ ModelResolver modelResolverSys = new ExtensibleModelResolver(systemContribution, modelResolvers, modelFactories, monitor);
+ systemContribution.setModelResolver(modelResolverSys);
+ systemContribution.setUnresolved(true);
+
+ // create an artifact to represent the system defintions and
+ // add it to the contribution
+ List<Artifact> systemArtifacts = systemContribution.getArtifacts();
+ Artifact definitionsArtifact = contributionFactory.createArtifact();
+ definitionsArtifact.setURI("http://tuscany.apache.org/SystemContribution/Definitions");
+ definitionsArtifact.setLocation("Derived");
+ definitionsArtifact.setModel(systemDefinitions);
+ systemArtifacts.add(definitionsArtifact);
+
+ // Build an aggregated SCA definitions model. Must be done before we try and
+ // resolve any contributions or composites as they may depend on the full
+ // definitions.xml picture
+
+ monitor.pushContext("Extension points definitions");
+ DefinitionsExtensionPoint definitionsExtensionPoint = extensionPoints.getExtensionPoint(DefinitionsExtensionPoint.class);
+ for(Definitions defs: definitionsExtensionPoint.getDefinitions()) {
+ DefinitionsUtil.aggregate(defs, systemDefinitions, monitor);
+ }
+ monitor.popContext();
+
+ // get all definitions.xml artifacts from contributions and aggregate
+ // into the system contribution. In turn add a default import into
+ // each contribution so that for unresolved items the resolution
+ // processing will look in the system contribution
+ for (Contribution contribution: contributions) {
+ monitor.pushContext("Contribution: " + contribution.getURI());
+ // aggregate definitions
+ for (Artifact artifact : contribution.getArtifacts()) {
+ Object model = artifact.getModel();
+ if (model instanceof Definitions) {
+ monitor.pushContext("Definitions: " + artifact.getLocation());
+ DefinitionsUtil.aggregate((Definitions)model, systemDefinitions, monitor);
+ monitor.popContext();
+ }
+ }
+
+ // create a default import and wire it up to the system contribution
+ // model resolver. This is the trick that makes the resolution processing
+ // skip over to the system contribution if resolution is unsuccessful
+ // in the current contribution
+ DefaultImport defaultImport = contributionFactory.createDefaultImport();
+ defaultImport.setModelResolver(systemContribution.getModelResolver());
+ contribution.getImports().add(defaultImport);
+ monitor.popContext();
+ }
+
+ ExtensibleModelResolver modelResolver = new ExtensibleModelResolver(new Contributions(contributions), modelResolvers, modelFactories, monitor);
+
+ contributionProcessor.resolve(systemContribution, modelResolver);
+ contributions.add(systemContribution);
+
+ // TODO - Now we can calculate applicable policy sets for each composite
+
+ // pre-resolve the contributions
+ contributionsPreresolve(contributionProcessor, contributions, modelResolver);
+
+ // Build the contribution dependencies
+ Set<Contribution> resolved = new HashSet<Contribution>();
+ for (Contribution contribution: contributions) {
+ buildDependencies(contribution, contributions, monitor);
+
+ // Resolve contributions
+ for (Contribution dependency: contribution.getDependencies()) {
+ if (!resolved.contains(dependency)) {
+ resolved.add(dependency);
+ contributionProcessor.resolve(dependency, modelResolver);
+ }
+ }
+ }
+
+// // Create a top level composite to host our composite
+// // This is temporary to make the activator happy
+// AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+//// AssemblyFactory assemblyFactory = new RuntimeAssemblyFactory(extensionPoints);
+//// modelFactories.addFactory(assemblyFactory);
+// Composite tempComposite = assemblyFactory.createComposite();
+// tempComposite.setName(new QName(SCA11_TUSCANY_NS, "_tempComposite"));
+// tempComposite.setURI(SCA11_TUSCANY_NS);
+//
+// for (Contribution contribution : contributions) {
+// for (Composite composite : contribution.getDeployables()) {
+// // Include the node composite in the top-level composite
+// tempComposite.getIncludes().add(composite);
+// }
+// }
+//
+//
+// CompositeActivator compositeActivator = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class).getUtility(CompositeActivator.class);
+//
+// // get the top level composite for this node
+// compositeActivator.setDomainComposite(tempComposite);
+//
+// // Activate the composite
+// compositeActivator.activate(compositeActivator.getDomainComposite());
+//
+// // Start the composite
+// compositeActivator.start(compositeActivator.getDomainComposite());
+//
+//
+//// // TODO - EPR - create a binding map to pass down into the builders
+//// // for use during URI calculation.
+//// Map<QName, List<String>> bindingMap = new HashMap<QName, List<String>>();
+//// for (BindingConfiguration config : configuration.getBindings()) {
+//// bindingMap.put(config.getBindingType(), config.getBaseURIs());
+//// }
+//
+// CompositeBuilderExtensionPoint compositeBuilders = extensionPoints.getExtensionPoint(CompositeBuilderExtensionPoint.class);
+// CompositeBuilder compositeBuilder = compositeBuilders.getCompositeBuilder("org.apache.tuscany.sca.assembly.builder.CompositeBuilder");
+// ((CompositeBuilderTmp)compositeBuilder).build(tempComposite, systemDefinitions, new HashMap<QName, List<String>>(), monitor);
+//// analyzeProblems();
+//
+//// endpointReferenceBuilder.buildtimeBuild(tempComposite);
+//// analyzeProblems();
+//
+//// return tempComposite;
+//// Composite xxx = configureNode(extensionPoints, cs, monitor);
+ return contributions.get(0);
+
+}
+ /**
+ * Pre-resolve phase for contributions, to set up handling of imports and exports prior to full resolution
+ * @param contributionProcessor
+ * @param contributions - the contributions to preresolve
+ * @param resolver - the ModelResolver to use
+ * @throws ContributionResolveException
+ */
+ private static void contributionsPreresolve( ExtendedURLArtifactProcessor<Contribution> contributionProcessor, List<Contribution> contributions, ModelResolver resolver )
+ throws ContributionResolveException {
+
+ for( Contribution contribution : contributions ) {
+ contributionProcessor.preResolve(contribution, resolver);
+ } // end for
+ } // end method contributionsPreresolve
+
+ private static void buildDependencies(Contribution contribution, List<Contribution> contributions, Monitor monitor) {
+ contribution.getDependencies().clear();
+
+ List<Contribution> dependencies = new ArrayList<Contribution>();
+ Set<Contribution> set = new HashSet<Contribution>();
+
+ dependencies.add(contribution);
+ set.add(contribution);
+ addContributionDependencies(contribution, contributions, dependencies, set, monitor);
+
+ Collections.reverse(dependencies);
+
+ contribution.getDependencies().addAll(dependencies);
+ }
+ /**
+ * Analyze a contribution and add its dependencies to the given dependency set.
+ */
+ private static void addContributionDependencies(Contribution contribution, List<Contribution> contributions, List<Contribution> dependencies, Set<Contribution> set, Monitor monitor) {
+
+ // Go through the contribution imports
+ for (Import import_: contribution.getImports()) {
+ boolean resolved = false;
+
+ // Go through all contribution candidates and their exports
+ List<Export> matchingExports = new ArrayList<Export>();
+ for (Contribution dependency: contributions) {
+ if (dependency == contribution) {
+ // Do not self import
+ continue;
+ }
+ for (Export export: dependency.getExports()) {
+
+ // If an export from a contribution matches the import in hand
+ // add that contribution to the dependency set
+ if (import_.match(export)) {
+ resolved = true;
+ matchingExports.add(export);
+
+ if (!set.contains(dependency)) {
+ set.add(dependency);
+ dependencies.add(dependency);
+
+ // Now add the dependencies of that contribution
+ addContributionDependencies(dependency, contributions, dependencies, set, monitor);
+ } // end if
+ } // end if
+ } // end for
+ } // end for
+
+ if (resolved) {
+ // Initialize the import's model resolver with a delegating model
+ // resolver which will delegate to the matching exports
+ import_.setModelResolver(new DefaultImportModelResolver(matchingExports));
+
+ } else {
+ // Record import resolution issue
+ if (!(import_ instanceof DefaultImport)) {
+ // Add the (empty) matchingExports List and report a warning
+ import_.setModelResolver(new DefaultImportModelResolver(matchingExports));
+// warning(monitor, "UnresolvedImport", import_, import_);
+ }
+ } // end if
+ }
+ }
+
+
+ private static List<Contribution> loadContributions(DefaultExtensionPointRegistry extensionPoints, String s) throws MalformedURLException, ContributionReadException, XMLStreamException, IOException, UnsupportedEncodingException, Exception {
+ List<Contribution> contributions = new ArrayList<Contribution>();
+
+ URI contributionURI = createURI(s);
+
+ URI uri = createURI(s);
+ if (uri.getScheme() == null) {
+ uri = new File(s).toURI();
+ }
+ URL contributionURL = uri.toURL();
+
+ URLArtifactProcessorExtensionPoint docProcessorExtensions = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+ ExtendedURLArtifactProcessor<Contribution> contributionProcessor = (ExtendedURLArtifactProcessor<Contribution>) docProcessorExtensions.getProcessor(Contribution.class);
+
+ // Load the contribution
+ Contribution contribution = contributionProcessor.read(null, contributionURI, contributionURL);
+ contributions.add(contribution);
+
+ boolean attached = false;
+// for (DeploymentComposite dc : contrib.getDeploymentComposites()) {
+// if (dc.getContent() != null) {
+// Reader xml = new StringReader(dc.getContent());
+// attached = attachDeploymentComposite(extensionPoints, contribution, xml, null, attached);
+// } else if (dc.getLocation() != null) {
+// URI dcURI = createURI(dc.getLocation());
+// if (!dcURI.isAbsolute()) {
+// Composite composite = null;
+// // The location is pointing to an artifact within the contribution
+// for (Artifact a : contribution.getArtifacts()) {
+// if (dcURI.toString().equals(a.getURI())) {
+// composite = (Composite)a.getModel();
+// if (!attached) {
+// contribution.getDeployables().clear();
+// attached = true;
+// }
+// contribution.getDeployables().add(composite);
+// break;
+// }
+// }
+// if (composite == null) {
+// // Not found
+// throw new ServiceRuntimeException("Deployment composite " + dcURI
+// + " cannot be found within contribution "
+// + contribution.getLocation());
+// }
+// } else {
+// URL url = dcURI.toURL();
+// InputStream is = openStream(url);
+// Reader xml = new InputStreamReader(is, "UTF-8");
+// attached = attachDeploymentComposite(extensionPoints, contribution, xml, url.toString(), attached);
+// }
+// }
+//// analyzeProblems();
+// }
+ return contributions;
+}
+
+ private boolean attachDeploymentComposite(DefaultExtensionPointRegistry extensionPoints, Contribution contribution, Reader xml, String location, boolean attached) throws XMLStreamException, ContributionReadException {
+
+ XMLInputFactory inputFactory = XMLInputFactory.newInstance();
+ XMLStreamReader reader = inputFactory.createXMLStreamReader(xml);
+ reader.nextTag();
+
+ StAXArtifactProcessorExtensionPoint xmlProcessors = extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+ StAXArtifactProcessor<Composite> compositeProcessor = xmlProcessors.getProcessor(Composite.class);
+
+ // Read the composite model
+ Composite composite = (Composite)compositeProcessor.read(reader);
+ reader.close();
+
+ FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+ ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+
+ // Create an artifact for the deployment composite
+ Artifact artifact = contributionFactory.createArtifact();
+ String uri = composite.getName().getLocalPart() + ".composite";
+ artifact.setURI(uri);
+ // Set the location to avoid NPE
+ if (location == null) {
+ location = uri;
+ }
+ artifact.setLocation(location);
+ artifact.setModel(composite);
+ artifact.setUnresolved(false);
+ // Add it to the contribution
+ contribution.getArtifacts().add(artifact);
+
+ // Replace the deployable composites with the deployment composites
+ // Clear the deployable composites if it's the first deployment composite
+ if (!attached) {
+ contribution.getDeployables().clear();
+ attached = true;
+ }
+ contribution.getDeployables().add(composite);
+
+ return attached;
+ }
+}
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