1 files changed, 79 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/processor/SpringXMLBeanDefinitionLoaderImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/SpringXMLBeanDefinitionLoaderImpl.java
new file mode 100644
index 0000000000..6ba2c65ef0
--- /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/processor/SpringXMLBeanDefinitionLoaderImpl.java
@@ -0,0 +1,79 @@
+/*
+ * 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.processor;
+
+import java.net.URL;
+import java.util.List;
+
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.implementation.spring.SpringBeanElement;
+import org.apache.tuscany.sca.implementation.spring.SpringSCAPropertyElement;
+import org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement;
+import org.apache.tuscany.sca.implementation.spring.SpringSCAServiceElement;
+import org.apache.tuscany.sca.implementation.spring.context.SCAGenericApplicationContext;
+import org.apache.tuscany.sca.implementation.spring.xml.SpringXMLBeanDefinitionLoader;
+import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.io.UrlResource;
+
+/**
+ * A tie that allows Tuscany to call Spring library to load the application context for the purpose of introspection
+ */
+public class SpringXMLBeanDefinitionLoaderImpl implements SpringXMLBeanDefinitionLoader {
+
+    private static SCAGenericApplicationContext createApplicationContext(Object scaParentContext,
+                                                                         ClassLoader classLoader,
+                                                                         List<URL> resources) {
+        if (classLoader == null) {
+            classLoader = Thread.currentThread().getContextClassLoader();
+        }
+
+        SCAGenericApplicationContext appCtx =
+            new SCAGenericApplicationContext((ApplicationContext)scaParentContext, classLoader);
+        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));
+        }
+
+        return appCtx;
+
+    }
+
+    @Override
+    public Object load(List<URL> resources,
+                       List<SpringSCAServiceElement> serviceElements,
+                       List<SpringSCAReferenceElement> referenceElements,
+                       List<SpringSCAPropertyElement> propertyElements,
+                       List<SpringBeanElement> beanElements,
+                       ProcessorContext context) {
+        // FIXME: [rfeng] We should try to avoid parsing the Spring xml twice for the deployment and runtime
+        SCAGenericApplicationContext applicationContext = createApplicationContext(null, null, resources);
+        serviceElements.addAll(applicationContext.getServiceElements());
+        referenceElements.addAll(applicationContext.getReferenceElements());
+        propertyElements.addAll(applicationContext.getPropertyElements());
+        beanElements.addAll(applicationContext.getBeanElements());
+        return applicationContext;
+    }
+
+}