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+/*
+ * 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.stub;
+
+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;
+
+/**
+ * This is the Tuscany side tie for the corresponding runtime stub class.
+ * It enables the Sping code in the runtime module to invoke methods on a
+ * Tuscany SpringImplementation without the Spring runtime module
+ * needing to know about any Tuscany classes. See the SpringImplementationStub class
+ * in the implementation-spring-runtime module for what the stub does.
+ */
+public class SpringImplementationTie {
+
+ private SpringImplementation implementation;
+ private Object parentApplicationContext;
+ private RuntimeComponent component;
+ private PropertyValueFactory propertyFactory;
+
+ public SpringImplementationTie(SpringImplementation implementation,
+ Object parentApplicationContext,
+ RuntimeComponent component,
+ PropertyValueFactory propertyFactory) {
+ this.implementation = implementation;
+ this.component = component;
+ this.propertyFactory = propertyFactory;
+ this.parentApplicationContext = parentApplicationContext;
+ }
+
+ public String getURI() {
+ return implementation.getURI();
+ }
+
+ 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 Object getComponentTie() {
+ return new ComponentTie(component);
+ }
+
+ public Object getPropertyValueTie() {
+ return new PropertyValueTie(component, propertyFactory);
+ }
+
+ public ClassLoader getClassLoader() {
+ return implementation.getClassLoader();
+ }
+
+ public Object getParentApplicationContext() {
+ return parentApplicationContext;
+ }
+
+}