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diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultPackageProcessorExtensionPoint.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultPackageProcessorExtensionPoint.java
new file mode 100644
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+++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultPackageProcessorExtensionPoint.java
@@ -0,0 +1,129 @@
+/*
+ * 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.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Constructor;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.tuscany.sca.contribution.service.ContributionException;
+import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+
+/**
+ * Default implementation of a package processor extension point.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DefaultPackageProcessorExtensionPoint implements PackageProcessorExtensionPoint {
+
+    private Map<String, PackageProcessor> processors = new HashMap<String, PackageProcessor>();
+    private boolean loaded;
+
+    public DefaultPackageProcessorExtensionPoint() {
+    }
+
+    public void addPackageProcessor(PackageProcessor processor) {
+        processors.put(processor.getPackageType(), processor);
+    }
+
+    public void removePackageProcessor(PackageProcessor processor) {
+        processors.remove(processor.getPackageType());
+    }
+
+    public PackageProcessor getPackageProcessor(String contentType) {
+        loadProcessors();
+        return processors.get(contentType);
+    }
+
+    private synchronized void loadProcessors() {
+        if (loaded)
+            return;
+
+        // Get the processor service declarations
+        Set<ServiceDeclaration> processorDeclarations; 
+        try {
+            processorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(PackageProcessor.class);
+        } catch (IOException e) {
+            throw new IllegalStateException(e);
+        }
+        
+        for (ServiceDeclaration processorDeclaration: processorDeclarations) {
+            Map<String, String> attributes = processorDeclaration.getAttributes();
+            
+            // Load a URL artifact processor
+            String packageType = attributes.get("type");
+            
+            // Create a processor wrapper and register it
+            PackageProcessor processor = new LazyPackageProcessor(packageType, processorDeclaration);
+            addPackageProcessor(processor);
+        }
+        
+        loaded = true;
+    }
+
+    /**
+     * A facade for package processors.
+     */
+    private static class LazyPackageProcessor implements PackageProcessor {
+        
+        private ServiceDeclaration processorDeclaration;
+        private String packageType;
+        private PackageProcessor processor;
+        
+        private LazyPackageProcessor(String packageType, ServiceDeclaration processorDeclaration) {
+            this.processorDeclaration = processorDeclaration;
+            this.packageType = packageType;
+        }
+
+        public URL getArtifactURL(URL packageSourceURL, URI artifact) throws MalformedURLException {
+            return getProcessor().getArtifactURL(packageSourceURL, artifact);
+        }
+
+        public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException, IOException {
+            return getProcessor().getArtifacts(packageSourceURL, inputStream);
+        }
+
+        public String getPackageType() {
+            return packageType;
+        }
+        
+        @SuppressWarnings("unchecked")
+        private PackageProcessor getProcessor() {
+            if (processor == null) {
+                try {
+                    Class<PackageProcessor> processorClass = (Class<PackageProcessor>)processorDeclaration.loadClass();
+                    Constructor<PackageProcessor> constructor = processorClass.getConstructor();
+                    processor = constructor.newInstance();
+                } catch (Exception e) {
+                    throw new IllegalStateException(e);
+                }
+            }
+            return processor;
+        }
+    }
+}