1 files changed, 79 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultArtifactProcessorExtensionPoint.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultArtifactProcessorExtensionPoint.java
new file mode 100644
index 0000000000..774971b8be
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultArtifactProcessorExtensionPoint.java
@@ -0,0 +1,79 @@
+/*
+ * 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;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.common.java.reflection.JavaIntrospectionHelper;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+
+/**
+ * The default implementation of an artifact processor extension point.
+ *
+ * @version $Rev$ $Date$
+ */
+abstract class DefaultArtifactProcessorExtensionPoint<P extends ArtifactProcessor<?>> {
+    protected final Map<Object, P> processorsByArtifactType = new HashMap<Object, P>();
+    protected final Map<Class<?>, P> processorsByModelType = new HashMap<Class<?>, P>();
+
+    protected ExtensionPointRegistry registry;
+    private JavaIntrospectionHelper introspectionHelper;
+
+    /**
+     * Constructs a new loader registry.
+     */
+    DefaultArtifactProcessorExtensionPoint(ExtensionPointRegistry registry) {
+        this.registry = registry;
+        this.introspectionHelper = JavaIntrospectionHelper.getInstance(registry);
+    }
+
+    /**
+     * Returns the processor associated with the given artifact type.
+     *
+     * @param artifactType An artifact type
+     * @return The processor associated with the given artifact type
+     */
+    public P getProcessor(Object artifactType) {
+        return processorsByArtifactType.get(artifactType);
+    }
+
+    /**
+     * Returns the processor associated with the given model type.
+     *
+     * @param modelType A model type
+     * @return The processor associated with the given model type
+     */
+    public <T> P getProcessor(Class<T> modelType) {
+        P processor = processorsByModelType.get(modelType);
+        if (processor != null) {
+            return processor;
+        }
+        List<Class<?>> classes = introspectionHelper.getAllInterfaces(modelType);
+        for (Class<?> c : classes) {
+            processor = processorsByModelType.get(c);
+            if (processor != null) {
+                return processor;
+            }
+        }
+        return null;
+    }
+
+}