1 files changed, 144 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2.1/modules/workspace-impl/src/main/java/org/apache/tuscany/sca/workspace/processor/impl/ContributionInfoProcessor.java b/sca-java-1.x/tags/1.2.1/modules/workspace-impl/src/main/java/org/apache/tuscany/sca/workspace/processor/impl/ContributionInfoProcessor.java
new file mode 100644
index 0000000000..14686753b0
--- /dev/null
+++ b/sca-java-1.x/tags/1.2.1/modules/workspace-impl/src/main/java/org/apache/tuscany/sca/workspace/processor/impl/ContributionInfoProcessor.java
@@ -0,0 +1,144 @@
+/*
+ * 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.workspace.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.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+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.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.workspace.scanner.impl.DirectoryContributionScanner;
+import org.apache.tuscany.sca.workspace.scanner.impl.JarContributionScanner;
+
+/**
+ * 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 ModelFactoryExtensionPoint modelFactories;
+    private URLArtifactProcessor<Object> artifactProcessor;
+
+    public ContributionInfoProcessor(ModelFactoryExtensionPoint modelFactories, ModelResolverExtensionPoint modelResolvers, URLArtifactProcessor<Object> artifactProcessor) {
+        this.modelFactories = modelFactories;
+        this.modelResolvers = modelResolvers;
+        this.artifactProcessor = artifactProcessor;
+        this.contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+    }
+    
+    public String getArtifactType() {
+        return null;
+    }
+    
+    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;
+        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
+            Contribution c = (Contribution)artifactProcessor.read(contributionURL, URI.create(path), url);
+            contribution.getImports().addAll(c.getImports());
+            contribution.getExports().addAll(c.getExports());
+            contribution.getDeployables().addAll(c.getDeployables());
+        }
+        
+        // If no sca-contribution.xml file was provided then just consider
+        // all composites in the contribution as deployables
+        if (!contributionMetadata) {
+            List<String> artifactURIs;
+            try {
+                artifactURIs = scanner.getArtifacts(contributionURL);
+            } catch (ContributionReadException e) {
+                artifactURIs = null;
+            }
+            if (artifactURIs != null) {
+                for (String artifactURI: artifactURIs) {
+                    if (!artifactURI.endsWith(".composite")) {
+                        continue;
+                    }
+                    URL artifactURL = scanner.getArtifactURL(contributionURL, artifactURI);
+    
+                    // Read each artifact
+                    Object model = artifactProcessor.read(contributionURL, URI.create(artifactURI), artifactURL);
+                    if (model instanceof Composite) {
+                        contribution.getDeployables().add((Composite)model);
+                    }
+                }
+            }
+        }
+        
+        return contribution;
+    }
+    
+    public void resolve(Contribution contribution, ModelResolver resolver) throws ContributionResolveException {
+        artifactProcessor.resolve(contribution, contribution.getModelResolver());
+    }
+
+}