1 files changed, 105 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC5/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java b/tags/java/sca/2.0-M3-RC5/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java
new file mode 100644
index 0000000000..d5a94e0ee9
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC5/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java
@@ -0,0 +1,105 @@
+/*
+ * 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.assembly.builder.impl;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.CompositeService;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * A composite builder that handles the creation of promoted services.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentServicePromotionBuilderImpl implements CompositeBuilder {
+    private AssemblyFactory assemblyFactory;
+
+    public ComponentServicePromotionBuilderImpl(AssemblyFactory assemblyFactory) {
+        this.assemblyFactory = assemblyFactory;
+    }
+
+    public String getID() {
+        return "org.apache.tuscany.sca.assembly.builder.ComponentServicePromotionBuilder";
+    }
+
+    public void build(Composite composite, Definitions definitions, Monitor monitor) throws CompositeBuilderException {
+
+        // Process nested composites recursively
+        configureNestedCompositeServices(composite);
+    }
+
+    private void configureNestedCompositeServices(Composite composite) {
+
+        // Process nested composites recursively
+        for (Component component : composite.getComponents()) {
+            Implementation implementation = component.getImplementation();
+            if (implementation instanceof Composite) {
+
+                // First process nested composites
+                configureNestedCompositeServices((Composite)implementation);
+
+                // Process the component services declared on components in this composite
+                for (ComponentService componentService : component.getServices()) {
+                    Service implService = componentService.getService();
+                    if (implService != null && implService instanceof CompositeService) {
+                        CompositeService compositeService = (CompositeService)implService;
+
+                        // Get the innermost promoted service
+                        ComponentService promotedService =
+                            ServiceConfigurationUtil.getPromotedComponentService(compositeService);
+                        if (promotedService != null) {
+                            Component promotedComponent = ServiceConfigurationUtil.getPromotedComponent(compositeService);
+
+                            // Create a new component service to represent this
+                            // component service on the promoted component
+                            ComponentService newComponentService = assemblyFactory.createComponentService();
+                            newComponentService.setName("$promoted$" + component.getName() + "$slash$" + componentService.getName());
+                            promotedComponent.getServices().add(newComponentService);
+                            newComponentService.setService(promotedService.getService());
+                            newComponentService.getBindings().addAll(componentService.getBindings());
+                            newComponentService.setInterfaceContract(componentService.getInterfaceContract());
+                            
+                            if (componentService.getInterfaceContract() != null && 
+                                componentService.getInterfaceContract().getCallbackInterface() != null) {
+                                newComponentService.setCallback(assemblyFactory.createCallback());
+                                newComponentService.getCallback().getBindings()
+                                        .addAll(componentService.getCallback().getBindings());
+                            }
+
+                            // Change the composite service to now promote the
+                            // newly created component service directly
+                            compositeService.setPromotedComponent(promotedComponent);
+                            compositeService.setPromotedService(newComponentService);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+}