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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/SpringXMLBeanDefinitionLoaderImpl.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/SpringXMLBeanDefinitionLoaderImpl.java b/sca-java-2.x/tags/2.0-Beta1-RC2/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-Beta1-RC2/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; + } + +} |