diff options
Diffstat (limited to 'tags/java/sca/2.0-M4-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java')
| -rw-r--r-- | tags/java/sca/2.0-M4-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java b/tags/java/sca/2.0-M4-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java deleted file mode 100644 index 09a6b7dd80..0000000000 --- a/tags/java/sca/2.0-M4-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java +++ /dev/null @@ -1,285 +0,0 @@ -/* - * 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.contribution.processor.impl; - -import java.io.File; -import java.net.URI; -import java.net.URISyntaxException; -import java.net.URL; -import java.util.List; - -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.ContributionMetadata; -import org.apache.tuscany.sca.contribution.DefaultExport; -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.ExtendedURLArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.ProcessorContext; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; -import org.apache.tuscany.sca.contribution.resolver.DefaultModelResolver; -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.scanner.ContributionScanner; -import org.apache.tuscany.sca.contribution.scanner.ContributionScannerExtensionPoint; -import org.apache.tuscany.sca.contribution.scanner.impl.DirectoryContributionScanner; -import org.apache.tuscany.sca.contribution.scanner.impl.JarContributionScanner; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.monitor.Monitor; - -/** - * URLArtifactProcessor that handles contribution files and the artifacts they contain - * and returns a contribution model. - * - * @version $Rev$ $Date$ - */ -public class ContributionContentProcessor implements ExtendedURLArtifactProcessor<Contribution>{ - private ContributionFactory contributionFactory; - private ModelResolverExtensionPoint modelResolvers; - private FactoryExtensionPoint modelFactories; - private URLArtifactProcessor<Object> artifactProcessor; - private StAXArtifactProcessor<Object> extensionProcessor; - private ContributionScannerExtensionPoint scanners; - // Marks pre-resolve phase completed - private boolean preResolved = false; - - public ContributionContentProcessor(ExtensionPointRegistry extensionPoints, StAXArtifactProcessor<Object> extensionProcessor) { - this.modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); - this.modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class); - URLArtifactProcessorExtensionPoint artifactProcessors = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); - this.artifactProcessor = new ExtensibleURLArtifactProcessor(artifactProcessors); - this.extensionProcessor = extensionProcessor; - this.contributionFactory = modelFactories.getFactory(ContributionFactory.class); - this.scanners = extensionPoints.getExtensionPoint(ContributionScannerExtensionPoint.class); - } - - public String getArtifactType() { - return ".contribution/content"; - } - - public Class<Contribution> getModelType() { - return Contribution.class; - } - - private File toFile(URL url) { - if("file".equalsIgnoreCase(url.getProtocol())) { - try { - return new File(url.toURI()); - } catch(URISyntaxException e) { - return new File(url.getPath()); - } catch(IllegalArgumentException e) { - // Hack for file:./a.txt or file:../a/c.wsdl - return new File(url.getPath()); - } - } - return null; - } - - public Contribution read(URL parentURL, URI contributionURI, URL contributionURL, ProcessorContext context) throws ContributionReadException { - - - // Create contribution model - Contribution contribution = contributionFactory.createContribution(); - contribution.setURI(contributionURI.toString()); - contribution.setLocation(contributionURL.toString()); - ModelResolver modelResolver = new ExtensibleModelResolver(contribution, modelResolvers, modelFactories); - contribution.setModelResolver(modelResolver); - contribution.setUnresolved(true); - - Monitor monitor = context.getMonitor(); - monitor.pushContext("Contribution: " + contribution.getURI()); - - Contribution old = context.setContribution(contribution); - try { - // Create a contribution scanner - ContributionScanner scanner = scanners.getContributionScanner(contributionURL.getProtocol()); - if (scanner == null) { - File file = toFile(contributionURL); - if (file != null && file.isDirectory()) { - scanner = new DirectoryContributionScanner(); - } else { - scanner = new JarContributionScanner(); - } - } - - // Scan the contribution and list the artifacts contained in it - List<Artifact> artifacts = contribution.getArtifacts(); - boolean contributionMetadata = false; - List<String> artifactURIs = scanner.scan(contribution); - for (String artifactURI: artifactURIs) { - URL artifactURL = scanner.getArtifactURL(contribution, artifactURI); - - // Add the deployed artifact model to the contribution - Artifact artifact = this.contributionFactory.createArtifact(); - artifact.setURI(artifactURI); - artifact.setLocation(artifactURL.toString()); - artifacts.add(artifact); - modelResolver.addModel(artifact, context); - - monitor.pushContext("Artifact: " + artifactURI); - - old = context.setContribution(contribution); - try { - // Read each artifact - Object model = artifactProcessor.read(contributionURL, URI.create(artifactURI), artifactURL, context); - if (model != null) { - artifact.setModel(model); - - // Add the loaded model to the model resolver - modelResolver.addModel(model, context); - - // Merge contribution metadata into the contribution model - if (model instanceof ContributionMetadata) { - contributionMetadata = true; - ContributionMetadata c = (ContributionMetadata)model; - contribution.getImports().addAll(c.getImports()); - contribution.getExports().addAll(c.getExports()); - contribution.getDeployables().addAll(c.getDeployables()); - contribution.getExtensions().addAll(c.getExtensions()); - contribution.getAttributeExtensions().addAll(c.getAttributeExtensions()); - } - } - } finally { - monitor.popContext(); - context.setContribution(old); - } - } - - // If no sca-contribution.xml file was provided then just consider - // all composites in the contribution as deployables - if (!contributionMetadata) { - for (Artifact artifact: artifacts) { - if (artifact.getModel() instanceof Composite) { - contribution.getDeployables().add((Composite)artifact.getModel()); - } - } - - // Add default contribution import and export - DefaultImport defaultImport = contributionFactory.createDefaultImport(); - defaultImport.setModelResolver(new DefaultModelResolver()); - contribution.getImports().add(defaultImport); - DefaultExport defaultExport = contributionFactory.createDefaultExport(); - contribution.getExports().add(defaultExport); - } - } finally { - monitor.popContext(); - context.setContribution(old); - } - - return contribution; - } - - /** - * A pre-resolution step, which is required for Contributions to handle the resolution of imports and exports so that - * at resolve time, imports can be followed to exports and anything exported that is required can be resolved on demand - * without the need to have already resolved the whole of the Contribution containing the export - * @param contribution - the Contribution - * @param resolver - the Resolver to use - * @throws ContributionResolveException - */ - public void preResolve(Contribution contribution, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - // Resolve the contribution model itself - ModelResolver contributionResolver = contribution.getModelResolver(); - contribution.setUnresolved(false); - contributionResolver.addModel(contribution, context); - - // Resolve Exports - resolveExports(contribution, contributionResolver, context); - // Resolve Imports - resolveImports(contribution, contributionResolver, context); - - preResolved = true; - } // end method preResolve - - public void resolve(Contribution contribution, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - - Monitor monitor = context.getMonitor(); - Contribution old = context.setContribution(contribution); - try { - monitor.pushContext("Contribution: " + contribution.getURI()); - - if( !preResolved ) preResolve( contribution, resolver, context); - ModelResolver contributionResolver = contribution.getModelResolver(); - - // Resolve all artifact models - for (Artifact artifact : contribution.getArtifacts()) { - Object model = artifact.getModel(); - if (model != null) { - try { - artifactProcessor.resolve(model, contributionResolver, context); - } catch (Throwable e) { - throw new ContributionResolveException(e); - } - } - } - - // Resolve deployable composites - List<Composite> deployables = contribution.getDeployables(); - for (int i = 0, n = deployables.size(); i < n; i++) { - Composite deployable = deployables.get(i); - Composite resolved = (Composite)contributionResolver.resolveModel(Composite.class, deployable, context); - if (resolved != deployable) { - deployables.set(i, resolved); - } - } // end for - } finally { - monitor.popContext(); - context.setContribution(old); - } // end try - } // end method resolve - - /** - * Resolves the Exports of the contribution - * @param contribution - * @param resolver - */ - private void resolveExports(Contribution contribution, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - for (Export export: contribution.getExports()) { - if (export instanceof DefaultExport) { - // Initialize the default export's resolver - export.setModelResolver(resolver); - } else { - extensionProcessor.resolve(export, resolver, context); - } // end if - } // end for - - } // end method resolveExports - - /** - * Resolves the Imports of the contribution - * @param contribution - * @param resolver - */ - private void resolveImports(Contribution contribution, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - for (Import import_: contribution.getImports()) { - extensionProcessor.resolve(import_, resolver, context); - } // end for - } // end method resolveImports - -} // end class ContributionContentProcessor |