1 files changed, 88 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-resource/src/main/java/org/apache/tuscany/sca/contribution/resource/impl/ArtifactModelResolver.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-resource/src/main/java/org/apache/tuscany/sca/contribution/resource/impl/ArtifactModelResolver.java
new file mode 100644
index 0000000000..3dcdfd3dff
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-resource/src/main/java/org/apache/tuscany/sca/contribution/resource/impl/ArtifactModelResolver.java
@@ -0,0 +1,88 @@
+/*
+ * 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.resource.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.Import;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.resource.ResourceImport;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+
+/**
+ * A Model Resolver for contribution artifacts.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ArtifactModelResolver implements ModelResolver {
+    private Contribution contribution;
+    private Map<String, Artifact> map = new HashMap<String, Artifact>();
+
+    public ArtifactModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) {
+    	this.contribution = contribution;
+    }
+
+    public void addModel(Object resolved,  ProcessorContext context) {
+    	Artifact artifact = (Artifact)resolved;
+    	map.put(artifact.getURI(), artifact);
+    }
+
+    public Object removeModel(Object resolved,  ProcessorContext context) {
+    	return map.remove(((Artifact)resolved).getURI());
+    }
+
+    public <T> T resolveModel(Class<T> modelClass, T unresolved,  ProcessorContext context) {
+
+    	// Get the artifact URI
+        String uri = ((Artifact)unresolved).getURI();
+        if (uri == null) {
+        	return (T)unresolved;
+        }
+
+        // Lookup the artifact
+        Artifact resolved = (Artifact) map.get(uri);
+        if (resolved != null) {
+            return modelClass.cast(resolved);
+        }
+
+        // If not found, delegate the resolution to the imports (in this case based on the resource imports)
+        for (Import import_ : this.contribution.getImports()) {
+            if (import_ instanceof ResourceImport) {
+            	ResourceImport resourceImport = (ResourceImport)import_;
+            	//check the import location against the computed package name from the componentType URI
+                if ((resourceImport.getURI().equals(uri)) &&
+                    (resourceImport.getModelResolver() != null)){
+                    // Delegate the resolution to the import resolver
+                    resolved = resourceImport.getModelResolver().resolveModel(Artifact.class, (Artifact)unresolved, context);
+                    if (!resolved.isUnresolved()) {
+                        return modelClass.cast(resolved);
+                    }
+                }
+            }
+        }
+
+        return (T)unresolved;
+    }
+
+}