1 files changed, 160 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/provider/SpringImplementationWrapper.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationWrapper.java
new file mode 100644
index 0000000000..c3c125ff90
--- /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/provider/SpringImplementationWrapper.java
@@ -0,0 +1,160 @@
+/*
+ * 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.provider;
+
+import java.net.URL;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.context.PropertyValueFactory;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.springframework.context.ApplicationContext;
+
+/**
+ * Wrapper for SpringImplementation
+ */
+public class SpringImplementationWrapper {
+
+    private SpringImplementation implementation;
+    private ApplicationContext parentApplicationContext;
+    private RuntimeComponent component;
+    private PropertyValueFactory propertyFactory;
+
+    public SpringImplementationWrapper(SpringImplementation implementation,
+                                   RuntimeComponent component,
+                                   PropertyValueFactory propertyFactory) {
+        this.implementation = implementation;
+        this.component = component;
+        this.propertyFactory = propertyFactory;
+    }
+
+    public String getURI() {
+        return implementation.getURI();
+    }
+    
+    public List<URL> getResource() {
+        return implementation.getResource();
+    }
+
+    public String getComponentName() {
+        return component.getName();
+    }
+
+    /**
+     * Method to create a Java Bean for a Property value
+     * @param <B> the class type of the Bean
+     * @param requiredType - a Class object for the required type
+     * @param name - the Property name
+     * @return - a Bean of the specified property, with value set
+     */
+    private <B> B getPropertyBean(Class<?> requiredType, String name) {
+        B propertyObject = null;
+        // Get the component's list of properties
+        List<ComponentProperty> props = component.getProperties();
+        for (ComponentProperty prop : props) {
+            if (prop.getName().equals(name)) {
+                // On finding the property, create a factory for it and create a Bean using
+                // the factory
+                propertyObject = (B)propertyFactory.createPropertyValue(prop, requiredType);
+            } // end if
+        } // end for
+
+        return propertyObject;
+    }
+
+    /**
+     * Creates a proxy Bean for a reference
+     * @param <B> the Business interface type for the reference
+     * @param businessInterface - the business interface as a Class
+     * @param referenceName - the name of the Reference
+     * @return an Bean of the type defined by <B>
+     */
+    private <B> B getService(Class<B> businessInterface, String referenceName) {
+        return component.getComponentContext().getService(businessInterface, referenceName);
+    }
+
+    /**
+     * Get a Bean for a reference or for a property.
+     *
+     * @param name - the name of the Bean required
+     * @param requiredType - the required type of the Bean (either a Java class or a Java interface)
+     * @return Object - a Bean which matches the requested bean
+     */
+    public Object getBean(String name, Class<?> requiredType) {
+        // The expectation is that the requested Bean is either a reference or a property
+        // from the Spring context
+        for (Reference reference : implementation.getReferences()) {
+            if (reference.getName().equals(name)) {
+                // Extract the Java interface for the reference (it can't be any other interface type
+                // for a Spring application context)
+                if (requiredType == null) {
+                    JavaInterface javaInterface = (JavaInterface)reference.getInterfaceContract().getInterface();
+                    requiredType = javaInterface.getJavaClass();
+                }
+                // Create and return the proxy for the reference
+                return getService(requiredType, reference.getName());
+            } // end if
+        } // end for
+
+        // For a property, get the name and the required Java type and create a Bean
+        // of that type with the value inserted.
+        for (Property property : implementation.getProperties()) {
+            if (property.getName().equals(name)) {
+                if (requiredType == null) {
+                    // The following code only deals with a subset of types and was superceded
+                    // by the information from the implementation (which uses Classes as found
+                    // in the Spring implementation itself.
+                    //requiredType = JavaXMLMapper.getJavaType( property.getXSDType() );
+                    requiredType = implementation.getPropertyClass(name);
+                }
+                return getPropertyBean(requiredType, property.getName());
+            } // end if
+        } // end for
+          // TODO: NoSuchBeanException
+          // throw new RuntimeException("Unable to find Bean with name " + name);
+        return null;
+
+    } // end method getBean( String, Class )
+
+    public ComponentWrapper getComponentWrapper() {
+        return new ComponentWrapper(component);
+    }
+
+    public PropertyValueWrapper getPropertyValueWrapper() {
+        return new PropertyValueWrapper(component, propertyFactory);
+    }
+
+    public ClassLoader getClassLoader() {
+        return implementation.getClassLoader();
+    }
+
+    public ApplicationContext getParentApplicationContext() {
+        return parentApplicationContext;
+    }
+
+    public void setParentApplicationContext(ApplicationContext parentApplicationContext) {
+        this.parentApplicationContext = parentApplicationContext;
+    }
+
+}