1 files changed, 130 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/context/SpringContextWrapper.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/context/SpringContextWrapper.java
new file mode 100644
index 0000000000..4b0ad72972
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/context/SpringContextWrapper.java
@@ -0,0 +1,130 @@
+/*
+ * 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.implementation.spring.context;
+
+import java.net.URL;
+import java.util.List;
+
+import org.apache.tuscany.sca.implementation.spring.processor.ComponentNameAnnotationProcessor;
+import org.apache.tuscany.sca.implementation.spring.processor.ConstructorAnnotationProcessor;
+import org.apache.tuscany.sca.implementation.spring.processor.InitDestroyAnnotationProcessor;
+import org.apache.tuscany.sca.implementation.spring.processor.PropertyAnnotationProcessor;
+import org.apache.tuscany.sca.implementation.spring.processor.ReferenceAnnotationProcessor;
+import org.apache.tuscany.sca.implementation.spring.provider.ComponentWrapper;
+import org.apache.tuscany.sca.implementation.spring.provider.PropertyValueWrapper;
+import org.apache.tuscany.sca.implementation.spring.provider.SpringImplementationWrapper;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.GenericApplicationContext;
+import org.springframework.core.io.UrlResource;
+
+/**
+ * This is the runtime side tie for the corresponding tuscany side stub class.
+ * It enables the Tuscany code to invoke methods on a Spring context without
+ * needing to know about any Spring classes. See the SpringContextStub class
+ * in the implementation-spring module for what the stub does. 
+ */
+public class SpringContextWrapper {
+
+    private GenericApplicationContext springContext;
+    private SpringImplementationWrapper implementation;
+
+    public SpringContextWrapper(SpringImplementationWrapper implementation, List<URL> resource) {
+        this.implementation = implementation;
+        SCAParentApplicationContext scaParentContext = new SCAParentApplicationContext(implementation);
+        springContext = createApplicationContext(scaParentContext, resource);
+    }
+
+    public ApplicationContext getApplicationContext() {
+        return springContext;
+    }
+
+    public void start() {
+        // Do refresh here to ensure that Spring Beans are not touched before the SCA config process is complete...
+        springContext.refresh();
+        springContext.start();
+    }
+
+    public void close() {
+        springContext.close();
+        if (springContext instanceof GenericApplicationContext) {
+            springContext.stop();
+        }
+    }
+
+    /**
+     * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
+     */
+    private GenericApplicationContext createApplicationContext(SCAParentApplicationContext scaParentContext,
+                                                                List<URL> resources) {
+
+        GenericApplicationContext appCtx =
+            new SCAGenericApplicationContext(scaParentContext, implementation.getClassLoader());
+        XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(appCtx);
+
+        // REVIEW: [rfeng] How do we control the schema validation 
+        xmlReader.setValidating(false);
+
+        for (URL resource : resources) {
+            xmlReader.loadBeanDefinitions(new UrlResource(resource));
+        }
+        xmlReader.setBeanClassLoader(implementation.getClassLoader());
+        includeAnnotationProcessors(appCtx.getBeanFactory());
+        return appCtx;
+
+    }
+
+    public Object getBean(String id) throws BeansException {
+        return springContext.getBean(id);
+    }
+
+    /**
+     * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
+     */
+    private void includeAnnotationProcessors(ConfigurableListableBeanFactory beanFactory) {
+
+        // Processor to deal with @Init and @Destroy SCA Annotations
+        BeanPostProcessor initDestroyProcessor = new InitDestroyAnnotationProcessor();
+        beanFactory.addBeanPostProcessor(initDestroyProcessor);
+
+        // Processor to deal with @Reference SCA Annotations
+        ComponentWrapper component = implementation.getComponentWrapper();
+        BeanPostProcessor referenceProcessor = new ReferenceAnnotationProcessor(component);
+        beanFactory.addBeanPostProcessor(referenceProcessor);
+
+        // Processor to deal with @Property SCA Annotations
+        PropertyValueWrapper pvs = implementation.getPropertyValueWrapper();
+        BeanPostProcessor propertyProcessor = new PropertyAnnotationProcessor(pvs);
+        beanFactory.addBeanPostProcessor(propertyProcessor);
+
+        // Processor to deal with @ComponentName SCA Annotations
+        BeanPostProcessor componentNameProcessor =
+            new ComponentNameAnnotationProcessor(implementation.getComponentName());
+        beanFactory.addBeanPostProcessor(componentNameProcessor);
+
+        // Processor to deal with @Constructor SCA Annotations
+        BeanPostProcessor constructorProcessor = new ConstructorAnnotationProcessor();
+        beanFactory.addBeanPostProcessor(constructorProcessor);
+    }
+
+}