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diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
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+++ b/sca-java-1.x/branches/sca-java-0.90/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
@@ -0,0 +1,76 @@
+/*
+ * 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.provider;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Default implementation of a provider factory extension point.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultProviderFactoryExtensionPoint implements ProviderFactoryExtensionPoint {
+    
+    protected final Map<Class<?>, ProviderFactory> providerFactories = 
+        new HashMap<Class<?>, ProviderFactory>();
+
+    /**
+     * The default constructor. Does nothing.
+     *
+     */
+    public DefaultProviderFactoryExtensionPoint() {
+    }
+
+    /**
+     * Add a provider factory.
+     * 
+     * @param providerFactory The provider factory
+     */
+    public void addProviderFactory(ProviderFactory providerFactory) {
+        providerFactories.put(providerFactory.getModelType(), providerFactory);
+    }
+    
+    /**
+     * Remove a provider factory.
+     * 
+     * @param providerFactory The provider factory
+     */
+    public void removeProviderFactory(ProviderFactory providerFactory) {
+        providerFactories.remove(providerFactory.getModelType());
+    }
+    
+    /**
+     * Returns the provider factory associated with the given model type.
+     * @param modelType A model type
+     * @return The provider factory associated with the given model type
+     */
+    public ProviderFactory getProviderFactory(Class<?> modelType) {
+        Class<?>[] classes = modelType.getInterfaces();
+        for (Class<?> c : classes) {
+            ProviderFactory factory = providerFactories.get(c);
+            if (factory != null) {
+                return factory;
+            }
+        }
+        return providerFactories.get(modelType);
+    }
+
+}