diff options
Diffstat (limited to 'branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context')
2 files changed, 282 insertions, 0 deletions
diff --git a/branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context/ModelResolverImpl.java b/branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context/ModelResolverImpl.java new file mode 100644 index 0000000000..ba2d5045f2 --- /dev/null +++ b/branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context/ModelResolverImpl.java @@ -0,0 +1,88 @@ +/* + * 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.core.spring.context; + +import java.lang.ref.WeakReference; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + + +/** + * A default implementation of an artifact resolver, based on a map. + * + * @version $Rev$ $Date$ + */ +public class ModelResolverImpl implements ModelResolver { + private static final long serialVersionUID = -7826976465762296634L; + + private Map<Object, Object> map = new HashMap<Object, Object>(); + + private WeakReference<ClassLoader> classLoader; + + public ModelResolverImpl(ClassLoader classLoader) { + this.classLoader = new WeakReference<ClassLoader>(classLoader); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + Object resolved = map.get(unresolved); + if (resolved != null) { + + // Return the resolved object + return modelClass.cast(resolved); + + } else if (unresolved instanceof ClassReference) { + + // Load a class on demand + ClassReference classReference = (ClassReference)unresolved; + Class clazz; + try { + clazz = Class.forName(classReference.getClassName(), true, classLoader.get()); + } catch (ClassNotFoundException e) { + + // Return the unresolved object + return unresolved; + } + + // Store a new ClassReference wrappering the loaded class + resolved = new ClassReference(clazz); + map.put(resolved, resolved); + + // Return the resolved ClassReference + return modelClass.cast(resolved); + + } else { + + // Return the unresolved object + return unresolved; + } + } + + public void addModel(Object resolved) { + map.put(resolved, resolved); + } + + public Object removeModel(Object resolved) { + return map.remove(resolved); + } + +} diff --git a/branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context/SCADomainContext.java b/branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context/SCADomainContext.java new file mode 100644 index 0000000000..7834749ed0 --- /dev/null +++ b/branches/sca-java-1.1/modules/core-spring/src/main/java/org/apache/tuscany/sca/core/spring/context/SCADomainContext.java @@ -0,0 +1,194 @@ +/* + * 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.core.spring.context; + +import java.io.InputStream; +import java.util.ArrayList; +import java.util.List; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory; +import org.apache.tuscany.sca.assembly.SCABindingFactory; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderMonitor; +import org.apache.tuscany.sca.assembly.builder.Problem; +import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl; +import org.apache.tuscany.sca.assembly.xml.ComponentTypeProcessor; +import org.apache.tuscany.sca.assembly.xml.CompositeProcessor; +import org.apache.tuscany.sca.assembly.xml.ConstrainingTypeProcessor; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.DefaultModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.service.ContributionException; +import org.apache.tuscany.sca.core.spring.assembly.impl.BeanAssemblyFactory; +import org.apache.tuscany.sca.core.spring.implementation.java.impl.BeanJavaImplementationFactory; +import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory; +import org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.AllowsPassByReferenceProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.BaseJavaClassVisitor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ComponentNameProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ConstructorProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ContextProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ConversationProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.DestroyProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.EagerInitProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.HeuristicPojoProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.InitProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.PolicyProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.PropertyProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ReferenceProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ResourceProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ScopeProcessor; +import org.apache.tuscany.sca.implementation.java.introspect.impl.ServiceProcessor; +import org.apache.tuscany.sca.implementation.java.xml.JavaImplementationProcessor; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl; +import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.xml.JavaInterfaceProcessor; +import org.apache.tuscany.sca.policy.DefaultIntentAttachPointTypeFactory; +import org.apache.tuscany.sca.policy.DefaultPolicyFactory; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.springframework.beans.factory.support.DefaultListableBeanFactory; + +/** + * A mini test runtime that uses the SCA assembly model variant implementation + * backed by Spring bean definitions. + * + * @version $Rev$ $Date$ + */ +public class SCADomainContext { + + private DefaultListableBeanFactory beanFactory; + + public SCADomainContext(String... compositeFiles) { + + // Create Spring bean factory + beanFactory = new DefaultListableBeanFactory(); + + // Create SCA assembly and SCA Java factories + ModelFactoryExtensionPoint modelFactories = new DefaultModelFactoryExtensionPoint(); + AssemblyFactory assemblyFactory = new BeanAssemblyFactory(new DefaultAssemblyFactory(), beanFactory); + modelFactories.addFactory(assemblyFactory); + SCABindingFactory scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class); + PolicyFactory policyFactory = new DefaultPolicyFactory(); + modelFactories.addFactory(policyFactory); + ContributionFactory contributionFactory = modelFactories.getFactory(ContributionFactory.class); + InterfaceContractMapper interfaceContractMapper = new InterfaceContractMapperImpl(); + JavaInterfaceFactory javaFactory = new DefaultJavaInterfaceFactory(); + modelFactories.addFactory(javaFactory); + JavaImplementationFactory javaImplementationFactory = new BeanJavaImplementationFactory(beanFactory); + modelFactories.addFactory(javaImplementationFactory); + + BaseJavaClassVisitor[] extensions = new BaseJavaClassVisitor[] { + new ConstructorProcessor(assemblyFactory), + new AllowsPassByReferenceProcessor(assemblyFactory), + new ComponentNameProcessor(assemblyFactory), + new ContextProcessor(assemblyFactory), + new ConversationProcessor(assemblyFactory), + new DestroyProcessor(assemblyFactory), + new EagerInitProcessor(assemblyFactory), + new InitProcessor(assemblyFactory), + new PropertyProcessor(assemblyFactory), + new ReferenceProcessor(assemblyFactory, javaFactory), + new ResourceProcessor(assemblyFactory), + new ScopeProcessor(assemblyFactory), + new ServiceProcessor(assemblyFactory, javaFactory), + new HeuristicPojoProcessor(assemblyFactory, javaFactory), + new PolicyProcessor(assemblyFactory, policyFactory) + }; + for (JavaClassVisitor e : extensions) { + javaImplementationFactory.addClassVisitor(e); + } + + // Populate ArtifactProcessor registry + DefaultStAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(modelFactories); + ExtensibleStAXArtifactProcessor staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, XMLInputFactory.newInstance(), XMLOutputFactory.newInstance()); + CompositeProcessor compositeProcessor = new CompositeProcessor(contributionFactory, assemblyFactory, policyFactory, + interfaceContractMapper, staxProcessor); + staxProcessors.addArtifactProcessor(compositeProcessor); + staxProcessors.addArtifactProcessor(new ComponentTypeProcessor(assemblyFactory, policyFactory, staxProcessor)); + staxProcessors.addArtifactProcessor(new ConstrainingTypeProcessor(assemblyFactory, policyFactory, staxProcessor)); + staxProcessors.addArtifactProcessor(new JavaInterfaceProcessor(modelFactories)); + staxProcessors.addArtifactProcessor(new JavaImplementationProcessor(modelFactories)); + + // Create a resolver + //FIXME The classloader should be passed in + ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + ModelResolverImpl resolver = new ModelResolverImpl(classLoader); + + try { + + // Read the composite files + List<Composite> composites = new ArrayList<Composite>(); + for (String compositeFile: compositeFiles) { + InputStream is = classLoader.getResourceAsStream(compositeFile); + Composite composite = staxProcessor.read(is, Composite.class); + resolver.addModel(composite); + composites.add(composite); + } + + for (Composite composite: composites) { + + // Resolve the composite + compositeProcessor.resolve(composite, resolver); + } + + // Wire the top level component's composite + buildComposite(composites.get(0), assemblyFactory, scaBindingFactory, interfaceContractMapper); + + } catch (ContributionException e) { + throw new RuntimeException(e); + } catch (CompositeBuilderException e) { + throw new RuntimeException(e); + } + } + + private void buildComposite(Composite composite, AssemblyFactory assemblyFactory, + SCABindingFactory scaBindingFactory, InterfaceContractMapper interfaceContractMapper) throws CompositeBuilderException { + + CompositeBuilderMonitor monitor = new CompositeBuilderMonitor() { + + public void problem(Problem problem) { + // Uncommenting the following two lines can be useful to detect + // and troubleshoot SCA assembly XML composite configuration + // problems. + + System.out.println("Composite assembly problem: " + problem); + } + }; + + // Configure and wire the composite + CompositeBuilderImpl compositeUtil = new CompositeBuilderImpl(assemblyFactory, scaBindingFactory, new DefaultIntentAttachPointTypeFactory(), interfaceContractMapper, null, monitor); + compositeUtil.build(composite); + + } + + public <B> B getService(Class<B> businessInterface, String serviceName) { + Object bean = beanFactory.getBean(serviceName); + return businessInterface.cast(bean); + } + +} |