1 files changed, 94 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/system/assembly/impl/SystemImplementationImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/system/assembly/impl/SystemImplementationImpl.java
new file mode 100644
index 0000000000..5d54132464
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/system/assembly/impl/SystemImplementationImpl.java
@@ -0,0 +1,94 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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.core.system.assembly.impl;
+
+import java.net.URL;
+
+import org.apache.tuscany.core.config.ComponentTypeIntrospector;
+import org.apache.tuscany.core.config.ConfigurationException;
+import org.apache.tuscany.core.config.JavaIntrospectionHelper;
+import org.apache.tuscany.core.config.impl.Java5ComponentTypeIntrospector;
+import org.apache.tuscany.core.system.assembly.SystemImplementation;
+import org.apache.tuscany.model.assembly.AssemblyFactory;
+import org.apache.tuscany.model.assembly.AssemblyModelContext;
+import org.apache.tuscany.model.assembly.ComponentType;
+import org.apache.tuscany.model.assembly.Scope;
+import org.apache.tuscany.model.assembly.Service;
+import org.apache.tuscany.model.assembly.impl.AssemblyFactoryImpl;
+import org.apache.tuscany.model.assembly.impl.ComponentImplementationImpl;
+
+/**
+ * The default implementation of the system implementation assembly artifact
+ * 
+ * @version $Rev$ $Date$
+ */
+public class SystemImplementationImpl extends ComponentImplementationImpl implements SystemImplementation {
+
+    private Class<?> implementationClass;
+
+    private AssemblyModelContext modelContext;
+
+    protected SystemImplementationImpl() {
+    }
+
+    public Class getImplementationClass() {
+        return implementationClass;
+    }
+
+    public void setImplementationClass(Class value) {
+        checkNotFrozen();
+        implementationClass = value;
+    }
+
+    public void initialize(AssemblyModelContext context) {
+        if (isInitialized())
+            return;
+        this.modelContext = context;
+        // Initialize the component type
+        ComponentType componentType = getComponentType();
+        if (componentType == null) {
+            componentType = createComponentType(implementationClass);
+            setComponentType(componentType);
+        }
+        super.initialize(modelContext);
+    }
+
+    /**
+     * Creates the component type
+     */
+    private ComponentType createComponentType(Class<?> implClass) {
+        ComponentType componentType;
+        String baseName = JavaIntrospectionHelper.getBaseName(implClass);
+        URL componentTypeFile = implClass.getResource(baseName + ".componentType");
+        if (componentTypeFile != null) {
+            componentType = modelContext.getAssemblyLoader().loadComponentType(componentTypeFile.toString());
+            // FIXME workaround for TUSCANY-46 where the scope is not read - default system implementations to MODULE scope
+            for (Service service : componentType.getServices()) {
+                service.getServiceContract().setScope(Scope.MODULE);
+            }
+        } else {
+            AssemblyFactory factory = new AssemblyFactoryImpl();
+            ComponentTypeIntrospector introspector = new Java5ComponentTypeIntrospector(factory);
+            try {
+                componentType = introspector.introspect(implClass);
+            } catch (ConfigurationException e) {
+                throw new IllegalArgumentException("Unable to introspect implementation class: " + implClass.getName(), e);
+            }
+        }
+        return componentType;
+    }
+}