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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.processor.stub;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.Arrays;
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.xml.SpringXMLBeanDefinitionLoader;
import org.oasisopen.sca.ServiceRuntimeException;
/**
* 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 SpringXMLBeanDefinitionLoaderStub implements SpringXMLBeanDefinitionLoader {
private final static String TIE = "org.apache.tuscany.sca.implementation.spring.processor.tie.SpringXMLLoaderTie";
private static Method createApplicationContext;
public SpringXMLBeanDefinitionLoaderStub() throws Exception {
synchronized (SpringXMLBeanDefinitionLoaderStub.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 Object load(List<URL> resources,
List<SpringSCAServiceElement> serviceElements,
List<SpringSCAReferenceElement> referenceElements,
List<SpringSCAPropertyElement> propertyElements,
List<SpringBeanElement> beanElements,
ProcessorContext context) {
try {
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));
return appContext;
} catch (Throwable e) {
throw new ServiceRuntimeException(e);
}
}
}
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