From 1a51f9f3d1c3c4cd4cc0017288faf5e420b092c8 Mon Sep 17 00:00:00 2001
From: rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 18 Aug 2010 18:26:30 +0000
Subject: Add impl spring stub/tie

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@986837 13f79535-47bb-0310-9956-ffa450edef68
---
 .../spring/introspect/SpringXMLLoaderStub.java     | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLLoaderStub.java

(limited to 'sca-java-2.x/trunk/modules/implementation-spring/src')

diff --git a/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLLoaderStub.java b/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLLoaderStub.java
new file mode 100644
index 0000000000..01208aba19
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLLoaderStub.java
@@ -0,0 +1,81 @@
+/*
+ * 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.introspect;
+
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.util.Arrays;
+import java.util.List;
+
+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;
+
+/**
+ * This is the Tuscany side stub for the corresponding runtime tie class.
+ * It enables the Tuscany code to invoke methods on a Spring context without
+ * needing to know about any Spring classes. See the SpringContextTie class
+ * in the implementation-spring-runtime module for what the tie does. 
+ */
+public class SpringXMLLoaderStub {
+    private final static String TIE = "org.apache.tuscany.sca.implementation.spring.processor.SpringXMLLoaderTie";
+
+    private static Method createApplicationContext;
+
+    public SpringXMLLoaderStub() throws Exception {
+        synchronized (SpringXMLLoaderStub.class) {
+            if (createApplicationContext == null) {
+                Class<?> tieClass = Class.forName(TIE, false, Thread.currentThread().getContextClassLoader());
+                createApplicationContext =
+                    tieClass.getMethod("createApplicationContext", Object.class, ClassLoader.class, List.class);
+            }
+        }
+    }
+
+    public Object createApplicationContext(Object scaParentContext, ClassLoader classLoader, List<URL> resources)
+        throws Exception {
+        return createApplicationContext.invoke(null, scaParentContext, classLoader, resources);
+    }
+
+    public void introspect(List<URL> resources,
+                           List<SpringSCAServiceElement> serviceElements,
+                           List<SpringSCAReferenceElement> referenceElements,
+                           List<SpringSCAPropertyElement> propertyElements,
+                           List<SpringBeanElement> beanElements) throws Exception {
+        Object appContext = createApplicationContext(null, Thread.currentThread().getContextClassLoader(), resources);
+        Class<?> cls = appContext.getClass();
+        Method method = cls.getMethod("getElements", Class.class);
+        SpringSCAServiceElement[] serviceArray =
+            (SpringSCAServiceElement[])method.invoke(appContext, SpringSCAServiceElement.class);
+        serviceElements.addAll(Arrays.asList(serviceArray));
+
+        SpringSCAReferenceElement[] referenceArray =
+            (SpringSCAReferenceElement[])method.invoke(appContext, SpringSCAReferenceElement.class);
+        referenceElements.addAll(Arrays.asList(referenceArray));
+
+        SpringSCAPropertyElement[] propertyArray =
+            (SpringSCAPropertyElement[])method.invoke(appContext, SpringSCAPropertyElement.class);
+        propertyElements.addAll(Arrays.asList(propertyArray));
+
+        SpringBeanElement[] beanArray = (SpringBeanElement[])method.invoke(appContext, SpringBeanElement.class);
+        beanElements.addAll(Arrays.asList(beanArray));
+    }
+}
-- 
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