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authorantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-05-11 09:33:43 +0000
committerantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-05-11 09:33:43 +0000
commiteae8b2a2e854c5de44bea5be69e6827825f2e2de (patch)
tree508c02b01a7f6cf214f284a9c34f62e9e0879ace
parent3daeedfc0ede058c6077f6655bd2ee693c922542 (diff)
Copy the contribution service classes from the workspace modules to contribution, they can now be part of the split into contribution-xxx modules thats going on
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@773511 13f79535-47bb-0310-9956-ffa450edef68
-rw-r--r--java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java257
-rw-r--r--java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionInfoProcessor.java227
-rw-r--r--java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java107
-rw-r--r--java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java121
-rw-r--r--java/sca/modules/contribution/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor2
5 files changed, 714 insertions, 0 deletions
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java
new file mode 100644
index 0000000000..2f39a6d007
--- /dev/null
+++ b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionContentProcessor.java
@@ -0,0 +1,257 @@
+/*
+ * 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.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.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 UtilityExtensionPoint utilities;
+ private Monitor monitor;
+ private ContributionScannerExtensionPoint scanners;
+ // Marks pre-resolve phase completed
+ private boolean preResolved = false;
+
+ public ContributionContentProcessor(ExtensionPointRegistry extensionPoints, StAXArtifactProcessor<Object> extensionProcessor, Monitor monitor) {
+ this.modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+ this.modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class);
+ this.monitor = monitor;
+ URLArtifactProcessorExtensionPoint artifactProcessors = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+ this.artifactProcessor = new ExtensibleURLArtifactProcessor(artifactProcessors, this.monitor);
+ this.extensionProcessor = extensionProcessor;
+ this.contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+ this.scanners = extensionPoints.getExtensionPoint(ContributionScannerExtensionPoint.class);
+ }
+
+ /*
+ public ContributionContentProcessor(FactoryExtensionPoint modelFactories, ModelResolverExtensionPoint modelResolvers,
+ URLArtifactProcessor<Object> artifactProcessor, StAXArtifactProcessor<Object> extensionProcessor, Monitor monitor) {
+ this.modelFactories = modelFactories;
+ this.modelResolvers = modelResolvers;
+ hackResolvers(modelResolvers);
+ this.artifactProcessor = artifactProcessor;
+ this.extensionProcessor = extensionProcessor;
+ this.contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+ this.monitor = monitor;
+ }
+ */
+
+ public String getArtifactType() {
+ return ".contribution/content";
+ }
+
+ public Class<Contribution> getModelType() {
+ return Contribution.class;
+ }
+
+ public Contribution read(URL parentURL, URI contributionURI, URL contributionURL) 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);
+
+ // Create a contribution scanner
+ ContributionScanner scanner = scanners.getContributionScanner(contributionURL.getProtocol());
+ if (scanner == null) {
+ if ("file".equals(contributionURL.getProtocol()) && new File(contributionURL.getFile()).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.getArtifacts(contributionURL);
+ for (String artifactURI: artifactURIs) {
+ URL artifactURL = scanner.getArtifactURL(contributionURL, 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);
+
+ // Read each artifact
+ Object model = artifactProcessor.read(contributionURL, URI.create(artifactURI), artifactURL);
+ if (model != null) {
+ artifact.setModel(model);
+
+ // Add the loaded model to the model resolver
+ modelResolver.addModel(model);
+
+ // 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());
+ }
+ }
+ }
+
+ // 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);
+ }
+
+ 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) throws ContributionResolveException {
+ // Resolve the contribution model itself
+ ModelResolver contributionResolver = contribution.getModelResolver();
+ contribution.setUnresolved(false);
+ contributionResolver.addModel(contribution);
+
+ // Resolve Exports
+ resolveExports(contribution, contributionResolver);
+ // Resolve Imports
+ resolveImports(contribution, contributionResolver);
+
+ preResolved = true;
+ } // end method preResolve
+
+ public void resolve(Contribution contribution, ModelResolver resolver) throws ContributionResolveException {
+
+ if( !preResolved ) preResolve( contribution, resolver);
+ 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);
+ } 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);
+ if (resolved != deployable) {
+ deployables.set(i, resolved);
+ }
+ } // end for
+ } // end method resolve
+
+ /**
+ * Resolves the Exports of the contribution
+ * @param contribution
+ * @param resolver
+ */
+ private void resolveExports(Contribution contribution, ModelResolver resolver) 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);
+ } // end if
+ } // end for
+
+ } // end method resolveExports
+
+ /**
+ * Resolves the Imports of the contribution
+ * @param contribution
+ * @param resolver
+ */
+ private void resolveImports(Contribution contribution, ModelResolver resolver) throws ContributionResolveException {
+ for (Import import_: contribution.getImports()) {
+ extensionProcessor.resolve(import_, resolver);
+ } // end for
+ } // end method resolveImports
+
+} // end class ContributionContentProcessor
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionInfoProcessor.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionInfoProcessor.java
new file mode 100644
index 0000000000..2984b53a06
--- /dev/null
+++ b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/impl/ContributionInfoProcessor.java
@@ -0,0 +1,227 @@
+/*
+ * 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.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Composite;
+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.ExtensibleURLArtifactProcessor;
+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.ClassReference;
+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.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 returns a contribution
+ * info model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ContributionInfoProcessor implements URLArtifactProcessor<Contribution>{
+ private ContributionFactory contributionFactory;
+ private ModelResolverExtensionPoint modelResolvers;
+ private FactoryExtensionPoint modelFactories;
+ private URLArtifactProcessorExtensionPoint artifactProcessors;
+ private URLArtifactProcessor<Object> artifactProcessor;
+ private StAXArtifactProcessor<Object> extensionProcessor;
+
+ public ContributionInfoProcessor(ExtensionPointRegistry extensionPoints, StAXArtifactProcessor<Object> extensionProcessor, Monitor monitor) {
+ this.modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+ this.modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class);
+ hackResolvers(modelResolvers);
+ URLArtifactProcessorExtensionPoint artifactProcessors = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+ this.artifactProcessors = artifactProcessors;
+ this.artifactProcessor = new ExtensibleURLArtifactProcessor(artifactProcessors, monitor);
+ this.extensionProcessor = extensionProcessor;
+ this.contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+ }
+
+ public ContributionInfoProcessor(FactoryExtensionPoint modelFactories, ModelResolverExtensionPoint modelResolvers, URLArtifactProcessor<Object> artifactProcessor) {
+ this.modelFactories = modelFactories;
+ this.modelResolvers = modelResolvers;
+ hackResolvers(modelResolvers);
+ this.artifactProcessor = artifactProcessor;
+ this.contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+ }
+
+ public String getArtifactType() {
+ return ".contribution/info";
+ }
+
+ public Class<Contribution> getModelType() {
+ return null;
+ }
+
+ public Contribution read(URL parentURL, URI contributionURI, URL contributionURL) 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);
+
+ // Create a contribution scanner
+ ContributionScanner scanner;
+ if ("file".equals(contributionURL.getProtocol()) && new File(contributionURL.getFile()).isDirectory()) {
+ scanner = new DirectoryContributionScanner();
+ } else {
+ scanner = new JarContributionScanner();
+ }
+
+ // Read generated and user sca-contribution.xml files
+ boolean contributionMetadata = false;
+ for (String path: new String[]{
+ Contribution.SCA_CONTRIBUTION_GENERATED_META,
+ Contribution.SCA_CONTRIBUTION_META}) {
+ URL url = scanner.getArtifactURL(contributionURL, path);
+ try {
+ // Check if the file actually exists before trying to read it
+ URLConnection connection = url.openConnection();
+ connection.setUseCaches(false);
+ InputStream is = connection.getInputStream();
+ is.close();
+ } catch (IOException e) {
+ continue;
+ }
+ contributionMetadata = true;
+
+ // Read the sca-contribution.xml file
+ ContributionMetadata c = (ContributionMetadata)artifactProcessor.read(contributionURL, URI.create(path), url);
+ 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());
+ }
+
+ // If no sca-contribution.xml file was provided then consider
+ // all composites in the contribution as deployables, and also
+ // read any files that are explicitly asssigned artifact processors
+ // as they are likely to provide relevant metadata info
+ if (!contributionMetadata) {
+ List<String> artifactURIs;
+ try {
+ artifactURIs = scanner.getArtifacts(contributionURL);
+ } catch (ContributionReadException e) {
+ artifactURIs = null;
+ }
+ if (artifactURIs != null) {
+ for (String artifactURI: artifactURIs) {
+ boolean read = false;
+ if (artifactURI.endsWith(".composite")) {
+ read = true;
+ } else {
+ int s= artifactURI.lastIndexOf("/");
+ String fileName = artifactURI.substring(s + 1);
+ if (artifactProcessors.getProcessor(fileName) != null) {
+ read = true;
+ }
+ }
+ if (read) {
+ URL artifactURL = scanner.getArtifactURL(contributionURL, artifactURI);
+
+ // Read each artifact
+ Object model = artifactProcessor.read(contributionURL, URI.create(artifactURI), artifactURL);
+
+ // In the absence of more info, consider all composites as deployable
+ if (model instanceof Composite) {
+ contribution.getDeployables().add((Composite)model);
+ }
+ }
+ }
+ }
+
+ // 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);
+ }
+
+ return contribution;
+ }
+
+ public void resolve(Contribution contribution, ModelResolver resolver) throws ContributionResolveException {
+
+ // Mark the contribution model resolved
+ ModelResolver contributionResolver = contribution.getModelResolver();
+ contribution.setUnresolved(false);
+ contributionResolver.addModel(contribution);
+
+ // Resolve imports and exports
+ for (Export export: contribution.getExports()) {
+ if (export instanceof DefaultExport) {
+
+ // Initialize the default export's resolver
+ export.setModelResolver(contributionResolver);
+
+ } else {
+ extensionProcessor.resolve(export, contributionResolver);
+ }
+ }
+ for (Import import_: contribution.getImports()) {
+ extensionProcessor.resolve(import_, contributionResolver);
+ }
+
+ }
+
+ /**
+ * FIXME Temporary hack for testing the ClassLoaderModelResolver.
+ *
+ * @param modelResolvers
+ */
+ private static void hackResolvers(ModelResolverExtensionPoint modelResolvers) {
+ Class<?> resolverClass = modelResolvers.getResolver(ClassReference.class);
+ if (resolverClass==null || !resolverClass.getName().equals("org.apache.tuscany.sca.contribution.java.impl.ClassLoaderModelResolver")) {
+ try {
+ Class<?> loaderResolverClass = Class.forName("org.apache.tuscany.sca.contribution.java.impl.ClassLoaderModelResolver", true, ContributionContentProcessor.class.getClassLoader());
+ modelResolvers.addResolver(ClassReference.class, (Class<? extends ModelResolver>)loaderResolverClass);
+ } catch (ClassNotFoundException e) {
+ }
+ }
+ }
+}
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java
new file mode 100644
index 0000000000..16838a95a5
--- /dev/null
+++ b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java
@@ -0,0 +1,107 @@
+/*
+ * 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.scanner.impl;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.scanner.ContributionScanner;
+
+/**
+ * Folder contribution processor.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DirectoryContributionScanner implements ContributionScanner {
+
+ public DirectoryContributionScanner() {
+ }
+
+ public String getContributionType() {
+ return "application/vnd.tuscany.folder";
+ }
+
+ public URL getArtifactURL(URL contributionURL, String artifact) throws ContributionReadException {
+ File directory = directory(contributionURL);
+ File file = new File(directory, artifact);
+ try {
+ return file.toURI().toURL();
+ } catch (MalformedURLException e) {
+ throw new ContributionReadException(e);
+ }
+ }
+
+ public List<String> getArtifacts(URL contributionURL) throws ContributionReadException {
+ File directory = directory(contributionURL);
+ List<String> artifacts = new ArrayList<String>();
+ try {
+ traverse(artifacts, directory, directory);
+ } catch (IOException e) {
+ throw new ContributionReadException(e);
+ }
+ return artifacts;
+ }
+
+ /**
+ * Recursively traverse a root directory
+ *
+ * @param fileList
+ * @param file
+ * @param root
+ * @throws IOException
+ */
+ private static void traverse(List<String> fileList, File file, File root) throws IOException {
+ if (file.isFile()) {
+ fileList.add(root.toURI().relativize(file.toURI()).toString());
+ } else if (file.isDirectory()) {
+ String uri = root.toURI().relativize(file.toURI()).toString();
+ if (uri.endsWith("/")) {
+ uri = uri.substring(0, uri.length() - 1);
+ }
+ fileList.add(uri);
+
+ File[] files = file.listFiles();
+ for (File f: files) {
+ if (!f.getName().startsWith(".")) {
+ traverse(fileList, f, root);
+ }
+ }
+ }
+ }
+
+ private static File directory(URL url) throws ContributionReadException {
+ File file;
+ try {
+ file = new File(url.toURI());
+ } catch (URISyntaxException e) {
+ throw new ContributionReadException(e);
+ }
+ if (!file.exists() || !file.isDirectory()) {
+ throw new ContributionReadException(url.toString());
+ }
+ return file;
+ }
+}
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java
new file mode 100644
index 0000000000..efb3e02b5a
--- /dev/null
+++ b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/JarContributionScanner.java
@@ -0,0 +1,121 @@
+/*
+ * 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.scanner.impl;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.jar.JarEntry;
+import java.util.jar.JarInputStream;
+
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.scanner.ContributionScanner;
+
+/**
+ * JAR Contribution processor.
+ *
+ * @version $Rev$ $Date$
+ */
+public class JarContributionScanner implements ContributionScanner {
+
+ public JarContributionScanner() {
+ }
+
+ public String getContributionType() {
+ return "application/x-compressed";
+ }
+
+ public URL getArtifactURL(URL contributionURL, String artifact) throws ContributionReadException {
+ try {
+ URL url;
+ if (contributionURL.toString().startsWith("jar:")) {
+ url = new URL(contributionURL, artifact.toString());
+ } else {
+ url = new URL("jar:" + contributionURL.toExternalForm() + "!/" + artifact);
+ }
+ return url;
+ } catch (MalformedURLException e) {
+ throw new ContributionReadException(e);
+ }
+ }
+
+ public List<String> getArtifacts(URL contributionURL) throws ContributionReadException {
+
+ // Assume the URL references a JAR file
+ try {
+ URLConnection connection = contributionURL.openConnection();
+ connection.setUseCaches(false);
+ JarInputStream jar = new JarInputStream(connection.getInputStream());
+ try {
+ Set<String> names = new HashSet<String>();
+ while (true) {
+ JarEntry entry = jar.getNextJarEntry();
+ if (entry == null) {
+ // EOF
+ break;
+ }
+
+ String name = entry.getName();
+ if (name.length() != 0 && !name.startsWith(".")) {
+
+ // Trim trailing /
+ if (name.endsWith("/")) {
+ name = name.substring(0, name.length() - 1);
+ }
+
+ // Add the entry name
+ if (!names.contains(name)) {
+ names.add(name);
+
+ // Add parent folder names to the list too
+ for (;;) {
+ int s = name.lastIndexOf('/');
+ if (s == -1) {
+ name = "";
+ } else {
+ name = name.substring(0, s);
+ }
+ if (name.length() != 0 && !names.contains(name)) {
+ names.add(name);
+ } else {
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ // Return list of URIs
+ List<String> artifacts = new ArrayList<String>(names);
+ return artifacts;
+
+ } finally {
+ jar.close();
+ }
+ } catch (IOException e) {
+ throw new ContributionReadException(e);
+ }
+ }
+}
diff --git a/java/sca/modules/contribution/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor b/java/sca/modules/contribution/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor
index cdaca4d786..560bf9abcb 100644
--- a/java/sca/modules/contribution/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor
+++ b/java/sca/modules/contribution/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor
@@ -18,3 +18,5 @@
# Implementation class for the artifact processor extension
org.apache.tuscany.sca.contribution.xml.ContributionMetadataDocumentProcessor;type=/META-INF/sca-contribution.xml,model=org.apache.tuscany.sca.contribution.ContributionMetadata
org.apache.tuscany.sca.contribution.xml.ContributionGeneratedMetadataDocumentProcessor;type=/META-INF/sca-contribution-generated.xml
+org.apache.tuscany.sca.contribution.processor.impl.ContributionContentProcessor;type=.contribution/content,model=org.apache.tuscany.sca.contribution.Contribution
+org.apache.tuscany.sca.contribution.processor.impl.ContributionInfoProcessor;type=.contribution/info