diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect')
2 files changed, 0 insertions, 1141 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java b/sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java deleted file mode 100644 index 5eaf27ab81..0000000000 --- a/sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java +++ /dev/null @@ -1,95 +0,0 @@ -/* - * 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.introspect; - -import java.util.List; - -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.implementation.java.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory; -import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement; -import org.apache.tuscany.sca.implementation.spring.SpringImplementation; - -/** - * Provides introspection functions for Spring beans - * This version leans heavily on the implementation-java classes - * - * @version $Rev$ $Date$ - */ -public class SpringBeanIntrospector { - - private JavaImplementationFactory javaImplementationFactory; - - /** - * The constructor sets up the various visitor elements that will be used to introspect - * the Spring bean and extract SCA information. - * - * @param assemblyFactory The Assembly Factory to use - * @param javaFactory The Java Interface Factory to use - * @param policyFactory The Policy Factory to use. - */ - public SpringBeanIntrospector(ExtensionPointRegistry registry, List<SpringConstructorArgElement> conArgs) { - - FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); - javaImplementationFactory = factories.getFactory(JavaImplementationFactory.class); - } // end constructor - - /** - * Introspect a Spring Bean and extract the features important to SCA - * @param beanClass the Spring Bean class to introspect - * @param componentType the componentType that is filled in through the introspection - * process (assumed empty on invocation, filled on return - * @return a Map of property names to JavaElementImpl - * @throws ContributionResolveException - if there was a problem resolving the - * Spring Bean or its componentType - * - */ - public JavaImplementation introspectBean(Class<?> beanClass, ComponentType componentType) - throws ContributionResolveException { - if (componentType == null) - throw new ContributionResolveException("Introspect Spring bean: supplied componentType is null"); - - // Create a Java implementation ready for the introspection - JavaImplementation javaImplementation = javaImplementationFactory.createJavaImplementation(); - // Set the type to be implementation.spring to avoid heuristic introspection - javaImplementation.setType(SpringImplementation.TYPE); - - try { - // Introspect the bean...the results of the introspection are placed into the Java implementation - javaImplementationFactory.createJavaImplementation(javaImplementation, beanClass); - - // Extract the services, references & properties found through introspection - // put the services, references and properties into the component type - componentType.getServices().addAll(javaImplementation.getServices()); - componentType.getReferences().addAll(javaImplementation.getReferences()); - componentType.getProperties().addAll(javaImplementation.getProperties()); - - } catch (IntrospectionException e) { - throw new ContributionResolveException(e); - } // end try - - return javaImplementation; - - } // end method introspectBean - -} // end class SpringBeanIntrospector diff --git a/sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java b/sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java deleted file mode 100644 index 35543a87fe..0000000000 --- a/sca-java-2.x/tags/2.0-Beta3/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java +++ /dev/null @@ -1,1046 +0,0 @@ -/* - * 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.introspect; - -import java.io.File; -import java.io.FileInputStream; -import java.io.IOException; -import java.net.MalformedURLException; -import java.net.URI; -import java.net.URL; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.Collections; -import java.util.Enumeration; -import java.util.HashSet; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.jar.Attributes; -import java.util.jar.JarEntry; -import java.util.jar.JarFile; -import java.util.jar.Manifest; -import java.util.logging.Level; -import java.util.logging.Logger; - -import javax.xml.namespace.QName; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Multiplicity; -import org.apache.tuscany.sca.assembly.Property; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.common.java.reflection.JavaIntrospectionHelper; -import org.apache.tuscany.sca.contribution.Artifact; -import org.apache.tuscany.sca.contribution.ContributionFactory; -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.processor.ProcessorContext; -import org.apache.tuscany.sca.contribution.resolver.ClassReference; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.implementation.java.JavaConstructorImpl; -import org.apache.tuscany.sca.implementation.java.JavaElementImpl; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.JavaParameterImpl; -import org.apache.tuscany.sca.implementation.spring.SpringBeanElement; -import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement; -import org.apache.tuscany.sca.implementation.spring.SpringImplementation; -import org.apache.tuscany.sca.implementation.spring.SpringPropertyElement; -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.apache.tuscany.sca.interfacedef.InvalidInterfaceException; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.Problem; -import org.apache.tuscany.sca.monitor.Problem.Severity; -import org.apache.tuscany.sca.policy.Intent; -import org.apache.tuscany.sca.policy.PolicyFactory; -import org.apache.tuscany.sca.policy.PolicySet; -import org.oasisopen.sca.annotation.Remotable; - -/** - * Introspects a Spring XML application-context configuration file to create <implementation-spring../> - * component type information. - * - * @version $Rev$ $Date$ - */ -public class SpringXMLComponentTypeLoader { - private final static Logger log = Logger.getLogger(SpringXMLComponentTypeLoader.class.getName()); - - private ExtensionPointRegistry registry; - private ContributionFactory contributionFactory; - private AssemblyFactory assemblyFactory; - private PolicyFactory policyFactory; - private JavaInterfaceFactory javaFactory; - private SpringBeanIntrospector beanIntrospector; - - private SpringXMLBeanDefinitionLoader xmlBeanDefinitionLoader; - - private JavaIntrospectionHelper javaIntrospectionHelper; - - public SpringXMLComponentTypeLoader(ExtensionPointRegistry registry) { - super(); - this.registry = registry; - FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); - this.assemblyFactory = factories.getFactory(AssemblyFactory.class); - this.policyFactory = factories.getFactory(PolicyFactory.class); - this.javaFactory = factories.getFactory(JavaInterfaceFactory.class); - this.contributionFactory = factories.getFactory(ContributionFactory.class); - this.xmlBeanDefinitionLoader = - registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(SpringXMLBeanDefinitionLoader.class); - this.javaIntrospectionHelper = JavaIntrospectionHelper.getInstance(registry); - } - - /** - * Report a error. - * - * @param problems - * @param message - * @param model - */ - private void error(Monitor monitor, String message, Object model, Object... messageParameters) { - if (monitor != null) { - Problem problem = - monitor.createProblem(this.getClass().getName(), - "impl-spring-validation-messages", - Severity.ERROR, - model, - message, - (Object[])messageParameters); - monitor.problem(problem); - } - } - - /** - * Report a error. - * - * @param problems - * @param message - * @param model - */ - private void warning(Monitor monitor, String message, Object model, Object... messageParameters) { - if (monitor != null) { - Problem problem = - monitor.createProblem(this.getClass().getName(), - "impl-spring-validation-messages", - Severity.WARNING, - model, - message, - (Object[])messageParameters); - monitor.problem(problem); - } - } - - protected Class<SpringImplementation> getImplementationClass() { - return SpringImplementation.class; - } - - /** - * Base method which loads the component type from the application-context attached to the - * Spring implementation - * - */ - public void load(SpringImplementation implementation, ModelResolver resolver, ProcessorContext context) - throws ContributionReadException { - //System.out.println("Spring TypeLoader - load method start"); - ComponentType componentType = implementation.getComponentType(); - /* Check that there is a component type object already set */ - if (componentType == null) { - throw new ContributionReadException("SpringXMLLoader load: implementation has no ComponentType object"); - } - if (componentType.isUnresolved()) { - /* Fetch the location of the application-context file from the implementation */ - loadFromXML(implementation, resolver, context); - if (!componentType.isUnresolved()) - implementation.setUnresolved(false); - } // end if - //System.out.println("Spring TypeLoader - load method complete"); - } // end method load - - private Class<?> resolveClass(ModelResolver resolver, String className, ProcessorContext context) - throws ClassNotFoundException { - ClassReference classReference = new ClassReference(className); - classReference = resolver.resolveModel(ClassReference.class, classReference, context); - if (classReference.isUnresolved()) { - throw new ClassNotFoundException(className); - } - Class<?> javaClass = classReference.getJavaClass(); - return javaClass; - } - - /** - * Method which fills out the component type for a Spring implementation by reading the - * Spring application-context.xml file. - * - * @param implementation SpringImplementation into which to load the component type information - * @throws ContributionReadException Failed to read the contribution - */ - private void loadFromXML(SpringImplementation implementation, ModelResolver resolver, ProcessorContext context) - throws ContributionReadException { - List<SpringBeanElement> beans = new ArrayList<SpringBeanElement>(); - List<SpringSCAServiceElement> services = new ArrayList<SpringSCAServiceElement>(); - List<SpringSCAReferenceElement> references = new ArrayList<SpringSCAReferenceElement>(); - List<SpringSCAPropertyElement> scaproperties = new ArrayList<SpringSCAPropertyElement>(); - - URL resource; - List<URL> contextResources = new ArrayList<URL>(); - String contextPath = implementation.getLocation(); - - try { - resource = resolveLocation(resolver, contextPath, context); - contextResources = getApplicationContextResource(resource); - - implementation.setClassLoader(new ContextClassLoader(resolver, context)); - implementation.setResource(contextResources); - // The URI is used to uniquely identify the Implementation - implementation.setURI(resource.toString()); - - List<SpringBeanElement> appCxtBeans = new ArrayList<SpringBeanElement>(); - List<SpringSCAServiceElement> appCxtServices = new ArrayList<SpringSCAServiceElement>(); - List<SpringSCAReferenceElement> appCxtReferences = new ArrayList<SpringSCAReferenceElement>(); - List<SpringSCAPropertyElement> appCxtProperties = new ArrayList<SpringSCAPropertyElement>(); - - if (xmlBeanDefinitionLoader != null) { - xmlBeanDefinitionLoader.load(contextResources, - appCxtServices, - appCxtReferences, - appCxtProperties, - appCxtBeans, - context); - populatePolicies(appCxtServices, appCxtReferences); - } - // Validate the beans from individual application context for uniqueness - validateBeans(appCxtBeans, appCxtServices, appCxtReferences, appCxtProperties, context.getMonitor()); - // Add all the validated beans to the generic list - beans.addAll(appCxtBeans); - services.addAll(appCxtServices); - references.addAll(appCxtReferences); - scaproperties.addAll(appCxtProperties); - } catch (Throwable e) { - throw new ContributionReadException(e); - } - - /* At this point, the complete application-context.xml file has been read and its contents */ - /* stored in the lists of beans, services, references. These are now used to generate */ - /* the implied componentType for the application context */ - generateComponentType(implementation, resolver, beans, services, references, scaproperties, context); - - return; - } // end method loadFromXML - - public void populatePolicies(List<SpringSCAServiceElement> appCxtServices, - List<SpringSCAReferenceElement> appCxtReferences) { - for (SpringSCAReferenceElement e : appCxtReferences) { - for (QName qn : e.getIntentNames()) { - Intent intent = policyFactory.createIntent(); - intent.setName(qn); - e.getRequiredIntents().add(intent); - } - for (QName qn : e.getPolicySetNames()) { - PolicySet ps = policyFactory.createPolicySet(); - ps.setName(qn); - e.getPolicySets().add(ps); - } - } - - for (SpringSCAServiceElement e : appCxtServices) { - for (QName qn : e.getIntentNames()) { - Intent intent = policyFactory.createIntent(); - intent.setName(qn); - e.getRequiredIntents().add(intent); - } - for (QName qn : e.getPolicySetNames()) { - PolicySet ps = policyFactory.createPolicySet(); - ps.setName(qn); - e.getPolicySets().add(ps); - } - } - } - - private URL resolveLocation(ModelResolver resolver, String contextPath, ProcessorContext context) - throws MalformedURLException, ContributionReadException { - URL resource = null; - URI uri = URI.create(contextPath); - if (!uri.isAbsolute()) { - Artifact parent = context.getArtifact(); - if (parent != null && parent.getURI() != null) { - URI base = URI.create("/" + parent.getURI()); - uri = base.resolve(uri); - // Remove the leading / to make artifact resolver happy - if (uri.toString().startsWith("/")) { - uri = URI.create(uri.toString().substring(1)); - } - } - Artifact artifact = contributionFactory.createArtifact(); - artifact.setUnresolved(true); - artifact.setURI(uri.toString()); - artifact = resolver.resolveModel(Artifact.class, artifact, context); - if (!artifact.isUnresolved()) { - resource = new URL(artifact.getLocation()); - } else { - // The resource can be out of scope of the contribution root - if (parent != null && parent.getLocation() != null) { - resource = new URL(new URL(parent.getLocation()), contextPath); - return resource; - } - throw new ContributionReadException("Location cannot be resloved: " + contextPath); - } - } else { - resource = new URL(contextPath); - } - return resource; - } - - /** - * Generates the Spring implementation component type from the configuration contained in the - * lists of beans, services, references and scaproperties derived from the application context - */ - private void generateComponentType(SpringImplementation implementation, - ModelResolver resolver, - List<SpringBeanElement> beans, - List<SpringSCAServiceElement> services, - List<SpringSCAReferenceElement> references, - List<SpringSCAPropertyElement> scaproperties, - ProcessorContext context) throws ContributionReadException { - /* - * 1. Each sca:service becomes a service in the component type - * 2. Each sca:reference becomes a reference in the component type - * 3. Each sca:property becomes a property in the component type - * 4. IF there are no explicit service elements, each bean becomes a service - * 5. Each bean property which is a reference not pointing at another bean in the - * application context becomes a reference unless it is pointing at one of the references - * 6. Each bean property which is not a reference and which is not pointing - * at another bean in the application context becomes a property in the component type - */ - - JavaImplementation javaImplementation = null; - ComponentType componentType = implementation.getComponentType(); - - try { - // Deal with the services first.... - Iterator<SpringSCAServiceElement> its = services.iterator(); - while (its.hasNext()) { - SpringSCAServiceElement serviceElement = its.next(); - - Class<?> interfaze; - if (serviceElement.getType() != null) { - interfaze = resolveClass(resolver, serviceElement.getType(), context); - } else { - interfaze = getBeanInterface(resolver, serviceElement.getTarget(), beans, context); - } - - Service theService = createService(interfaze, serviceElement.getName()); - // Spring allows duplication of bean definitions in multiple context scenario, - // in such cases, the latest bean definition overrides the older ones, hence - // we will remove any older definition and use the latest. - Service duplicate = null; - for (Service service : componentType.getServices()) { - if (service.getName().equals(theService.getName())) - duplicate = service; - } - if (duplicate != null) - componentType.getServices().remove(duplicate); - - componentType.getServices().add(theService); - // Add this service to the Service / Bean map - String beanName = serviceElement.getTarget(); - boolean found = false; - for (SpringBeanElement beanElement : beans) { - if (beanName.equals(beanElement.getId())) { - if (isValidBeanForService(beanElement)) { - // add the required intents and policySets for the service - theService.getRequiredIntents().addAll(serviceElement.getRequiredIntents()); - theService.getPolicySets().addAll(serviceElement.getPolicySets()); - implementation.setBeanForService(theService, beanElement); - found = true; - break; - } - } - } // end for - - if (!found) { - // REVIEW: Adding a SpringBeanElement "proxy" so that the bean id can be used at runtime to look - // up the bean instance from the parent context - implementation.setBeanForService(theService, - new SpringBeanElement(serviceElement.getTarget(), null)); - } - } // end while - - // Next handle the references - Iterator<SpringSCAReferenceElement> itr = references.iterator(); - while (itr.hasNext()) { - SpringSCAReferenceElement referenceElement = itr.next(); - Class<?> interfaze = resolveClass(resolver, referenceElement.getType(), context); - Reference theReference = createReference(interfaze, referenceElement.getName()); - // Override the older bean definition with the latest ones - // for the duplicate definitions found. - Reference duplicate = null; - for (Reference reference : componentType.getReferences()) { - if (reference.getName().equals(theReference.getName())) - duplicate = reference; - } - if (duplicate != null) - componentType.getReferences().remove(duplicate); - - // add the required intents and policySets for this reference - theReference.getRequiredIntents().addAll(referenceElement.getRequiredIntents()); - theReference.getPolicySets().addAll(referenceElement.getPolicySets()); - componentType.getReferences().add(theReference); - } // end while - - // Next handle the properties - Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator(); - while (itsp.hasNext()) { - SpringSCAPropertyElement scaproperty = itsp.next(); - // Create a component type property if the SCA property element has a name - // and a type declared... - if (scaproperty.getType() != null && scaproperty.getName() != null) { - Property theProperty = assemblyFactory.createProperty(); - theProperty.setName(scaproperty.getName()); - // Get the Java class and then an XSD element type for the property - Class<?> propType = Class.forName(scaproperty.getType()); - theProperty.setXSDType(JavaXMLMapper.getXMLType(propType)); - // Override the older bean definition with the latest ones - // for the duplicate definitions found. - Property duplicate = null; - for (Property property : componentType.getProperties()) { - if (property.getName().equals(theProperty.getName())) - duplicate = property; - } - if (duplicate != null) - componentType.getProperties().remove(duplicate); - - componentType.getProperties().add(theProperty); - // Remember the Java Class (ie the type) for this property - implementation.setPropertyClass(theProperty.getName(), propType); - } // end if - } // end while - - // Finally deal with the beans - Iterator<SpringBeanElement> itb; - // If there are no explicit service elements, then expose all the beans - if (services.isEmpty()) { - itb = beans.iterator(); - // Loop through all the beans found - while (itb.hasNext()) { - SpringBeanElement beanElement = itb.next(); - - // If its not a valid bean for service, ignore it - if (!isValidBeanForService(beanElement)) { - continue; - } - try { - // Load the Spring bean class - Class<?> beanClass = resolveClass(resolver, beanElement.getClassName(), context); - // Introspect the bean - beanIntrospector = new SpringBeanIntrospector(registry, beanElement.getCustructorArgs()); - ComponentType beanComponentType = assemblyFactory.createComponentType(); - javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType); - // Set the service name as bean name - for (Service componentService : beanComponentType.getServices()) { - componentService.setName(beanElement.getId()); - } - // Get the service interface defined by this Spring Bean and add to - // the component type of the Spring Assembly - List<Service> beanServices = beanComponentType.getServices(); - componentType.getServices().addAll(beanServices); - // Add these services to the Service / Bean map - for (Service beanService : beanServices) { - implementation.setBeanForService(beanService, beanElement); - } - } catch (Throwable e) { - // [rfeng] FIXME: Some Spring beans have constructors that take pararemters injected by Spring and - // Tuscany is not happy with that during the introspection - log.log(Level.SEVERE, e.getMessage(), e); - } - } // end while - } // end if - - // [rfeng] We only try to implicitly map Spring beans if no sca:reference or sca:property is present - if (references.isEmpty() && scaproperties.isEmpty()) { - itb = beans.iterator(); - while (itb.hasNext()) { - SpringBeanElement beanElement = itb.next(); - - // If its not a valid bean for service, ignore it - if (!isValidBeanForService(beanElement)) { - continue; - } - // Ignore if the bean has no properties and constructor arguments - if (beanElement.getProperties().isEmpty() && beanElement.getCustructorArgs().isEmpty()) - continue; - - ComponentType beanComponentType = assemblyFactory.createComponentType(); - - try { - Class<?> beanClass = resolveClass(resolver, beanElement.getClassName(), context); - // Introspect the bean - beanIntrospector = new SpringBeanIntrospector(registry, beanElement.getCustructorArgs()); - javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType); - } catch (Exception e) { - // [rfeng] FIXME: Some Spring beans have constructors that take pararemters injected by Spring and - // Tuscany is not happy with that during the introspection - log.log(Level.SEVERE, e.getMessage(), e); - continue; - } - Map<String, JavaElementImpl> propertyMap = javaImplementation.getPropertyMembers(); - JavaConstructorImpl constructor = javaImplementation.getConstructor(); - // Get the references by this Spring Bean and add the unresolved ones to - // the component type of the Spring Assembly - List<Reference> beanReferences = beanComponentType.getReferences(); - List<Property> beanProperties = beanComponentType.getProperties(); - - Set<String> excludedNames = new HashSet<String>(); - Iterator<SpringPropertyElement> itp = beanElement.getProperties().iterator(); - while (itp.hasNext()) { - SpringPropertyElement propertyElement = itp.next(); - // Exclude the reference that is also known as a spring property - excludedNames.add(propertyElement.getName()); - for (String propertyRef : propertyElement.getRefs()) { - if (propertyRefUnresolved(propertyRef, beans, references, scaproperties)) { - // This means an unresolved reference from the spring bean... - for (Reference reference : beanReferences) { - if (propertyElement.getName().equals(reference.getName())) { - // The name of the reference in this case is the string in - // the @ref attribute of the Spring property element, NOT the - // name of the field in the Spring bean.... - reference.setName(propertyRef); - // reference.setWiredByImpl(true); - componentType.getReferences().add(reference); - break; - } // end if - } // end for - - // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type - for (Property scaproperty : beanProperties) { - if (propertyElement.getName().equals(scaproperty.getName())) { - // The name of the reference in this case is the string in - // the @ref attribute of the Spring property element, NOT the - // name of the field in the Spring bean.... - Class<?> interfaze = - resolveClass(resolver, - (propertyMap.get(propertyElement.getName()).getType()) - .getName(), - context); - Reference theReference = createReference(interfaze, propertyRef); - implementation.setUnresolvedBeanRef(propertyRef, theReference); - break; - } // end if - } // end for - } // end if - } // end for - } // end while - - Iterator<SpringConstructorArgElement> itcr = beanElement.getCustructorArgs().iterator(); - while (itcr.hasNext()) { - SpringConstructorArgElement conArgElement = itcr.next(); - for (String constructorArgRef : conArgElement.getRefs()) { - if (propertyRefUnresolved(constructorArgRef, beans, references, scaproperties)) { - for (JavaParameterImpl parameter : constructor.getParameters()) { - String paramType = parameter.getType().getName(); - Class<?> interfaze = resolveClass(resolver, paramType, context); - // Create a component type reference/property if the constructor-arg element has a - // type attribute OR index attribute declared... - if ((conArgElement.getType() != null && paramType.equals(conArgElement.getType())) || (conArgElement - .getIndex() != -1 && (conArgElement.getIndex() == parameter.getIndex()))) { - // [rfeng] Commenting out the following code as the constructor parameter based SCA - // references are added already - /* - if (parameter.getClassifer() == org.oasisopen.sca.annotation.Reference.class) { - Reference theReference = createReference(interfaze, constructorArgRef); - componentType.getReferences().add(theReference); - } - */ - if (parameter.getClassifer() == org.oasisopen.sca.annotation.Property.class) { - // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type - // we might need to verify with the component definition later. - Reference theReference = createReference(interfaze, constructorArgRef); - implementation.setUnresolvedBeanRef(constructorArgRef, theReference); - } - } - } // end for - } // end if - } // end for - } // end while - - // [rfeng] Add the remaining introspected references (w/ @Reference but without Spring property ref) - for (Reference ref : beanReferences) { - if (!excludedNames.contains(ref.getName()) && componentType.getReference(ref.getName()) == null) { - // Only add the ones that not listed by sca:reference - componentType.getReferences().add(ref); - } - } - - } // end while - } - - } catch (ClassNotFoundException e) { - // Means that either an interface class, property class or a bean was not found - throw new ContributionReadException(e); - } catch (InvalidInterfaceException e) { - throw new ContributionReadException(e); - } // end try - - // If we get here, the Spring assembly component type is resolved - componentType.setUnresolved(false); - implementation.setComponentType(componentType); - return; - } // end method generateComponentType - - private Class<?> getBeanInterface(ModelResolver resolver, - String target, - List<SpringBeanElement> beans, - ProcessorContext context) throws ClassNotFoundException { - SpringBeanElement bean = null; - for (SpringBeanElement sbe : beans) { - if (sbe.getId().equals(target)) { - bean = sbe; - break; - } - } - if (bean == null) { - error(context.getMonitor(), "TargetBeanDoesNotExist", null, target); - return null; - } - - Class<?> beanClass = resolveClass(resolver, bean.getClassName(), context); - Set<Class<?>> ifaces = javaIntrospectionHelper.getAllInterfaces(beanClass); - for (Class<?> interfaze : ifaces) { - if (interfaze.isAnnotationPresent(Remotable.class)) { - return interfaze; - } - } - - return beanClass; - } - - /* - * Determines whether a reference attribute of a Spring property element is resolved either - * by a bean in the application context or by an SCA reference element or by an SCA property - * element - * @param ref - a String containing the name of the reference - may be null - * @param beans - a List of SpringBean elements - * @param references - a List of SCA reference elements - * @return true if the property is not resolved, false if it is resolved - */ - private boolean propertyRefUnresolved(String ref, - List<SpringBeanElement> beans, - List<SpringSCAReferenceElement> references, - List<SpringSCAPropertyElement> scaproperties) { - boolean unresolved = true; - - if (ref != null) { - // Scan over the beans looking for a match - Iterator<SpringBeanElement> itb = beans.iterator(); - while (itb.hasNext()) { - SpringBeanElement beanElement = itb.next(); - // Does the bean name match the ref? - if (ref.equals(beanElement.getId())) { - unresolved = false; - break; - } // end if - } // end while - // Scan over the SCA reference elements looking for a match - if (unresolved) { - Iterator<SpringSCAReferenceElement> itr = references.iterator(); - while (itr.hasNext()) { - SpringSCAReferenceElement referenceElement = itr.next(); - if (ref.equals(referenceElement.getName())) { - unresolved = false; - break; - } // end if - } // end while - } // end if - // Scan over the SCA property elements looking for a match - if (unresolved) { - Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator(); - while (itsp.hasNext()) { - SpringSCAPropertyElement propertyElement = itsp.next(); - if (ref.equals(propertyElement.getName())) { - unresolved = false; - break; - } // end if - } // end while - } // end if - } else { - // In the case where ref = null, the property is not going to be a reference of any - // kind and can be ignored - unresolved = false; - } // end if - - return unresolved; - - } // end method propertyRefUnresolved - - /** - * Validates whether the <sca:service>, <sca:reference> and <sca:property> elements - * has unique names within the application context. - */ - private void validateBeans(List<SpringBeanElement> beans, - List<SpringSCAServiceElement> services, - List<SpringSCAReferenceElement> references, - List<SpringSCAPropertyElement> scaproperties, - Monitor monitor) throws ContributionReadException { - - // The value of the @name attribute of an <sca:service/> subelement of a <beans/> element - // MUST be unique amongst the <service/> subelements of the <beans/> element. - for (SpringSCAServiceElement serviceElement : services) { - for (SpringSCAServiceElement x : services) { - if (serviceElement != x && serviceElement.getName().equals(x.getName())) { - error(monitor, "ScaServiceNameNotUnique", beans); - } - } - } - - // The @target attribute of a <service/> subelement of a <beans/> element - // MUST have the value of the @name attribute of one of the <bean/> - // subelements of the <beans/> element. - Iterator<SpringSCAServiceElement> its = services.iterator(); - while (its.hasNext()) { - SpringSCAServiceElement serviceElement = its.next(); - boolean targetBeanExists = false; - Iterator<SpringBeanElement> itb = beans.iterator(); - while (itb.hasNext()) { - SpringBeanElement beanElement = itb.next(); - if (serviceElement.getTarget().equals(beanElement.getId())) - targetBeanExists = true; - } - if (!targetBeanExists) { - // REVIEW: [rfeng] The target bean can exist in the parent Spring application context which we don't know - // until runtime - warning(monitor, "TargetBeanDoesNotExist", beans); - } - } // end while - - // The value of the @name attribute of an <sca:reference/> subelement of a <beans/> - // element MUST be unique amongst the @name attributes of the <sca:property/> - // subelements and the <bean/> subelements of the <beans/> element. - // AND - // The @default attribute of a <sca:reference/> subelement of a <beans/> - // element MUST have the value of the @name attribute of one of the <bean/> - // subelements of the <beans/> element. - Iterator<SpringSCAReferenceElement> itr = references.iterator(); - while (itr.hasNext()) { - SpringSCAReferenceElement referenceElement = itr.next(); - boolean defaultBeanExists = false; - boolean isUniqueReferenceName = true; - Iterator<SpringBeanElement> itb = beans.iterator(); - while (itb.hasNext()) { - SpringBeanElement beanElement = itb.next(); - if (referenceElement.getDefaultBean() != null) - if (referenceElement.getDefaultBean().equals(beanElement.getId())) - defaultBeanExists = true; - if (referenceElement.getName().equals(beanElement.getId())) - isUniqueReferenceName = false; - } - Iterator<SpringSCAPropertyElement> itp = scaproperties.iterator(); - while (itp.hasNext()) { - SpringSCAPropertyElement propertyElement = itp.next(); - if (referenceElement.getName().equals(propertyElement.getName())) - isUniqueReferenceName = false; - } - if (!defaultBeanExists && referenceElement.getDefaultBean() != null) - error(monitor, "DefaultBeanDoesNotExist", beans); - if (!isUniqueReferenceName) - error(monitor, "ScaReferenceNameNotUnique", beans); - } // end while - - // The value of the @name attribute of an <sca:property/> subelement of a <beans/> - // element MUST be unique amongst the @name attributes of the <sca:reference/> - // subelements and the <bean/> subelements of the <beans/> element. - Iterator<SpringSCAPropertyElement> itp = scaproperties.iterator(); - while (itp.hasNext()) { - SpringSCAPropertyElement propertyElement = itp.next(); - boolean isUniquePropertyName = true; - Iterator<SpringBeanElement> itb = beans.iterator(); - while (itb.hasNext()) { - SpringBeanElement beanElement = itb.next(); - if (propertyElement.getName().equals(beanElement.getId())) - isUniquePropertyName = false; - } - Iterator<SpringSCAReferenceElement> itrp = references.iterator(); - while (itrp.hasNext()) { - SpringSCAReferenceElement referenceElement = itrp.next(); - if (propertyElement.getName().equals(referenceElement.getName())) - isUniquePropertyName = false; - } - if (!isUniquePropertyName) - error(monitor, "ScaPropertyNameNotUnique", beans); - } // end while - } - - /** - * Validates whether a bean definition is valid for exposing as service. - */ - private boolean isValidBeanForService(SpringBeanElement beanElement) { - - if (beanElement.isInnerBean()) - return false; - if (beanElement.hasParentAttribute()) - return false; - if (beanElement.hasFactoryMethodAttribute()) - return false; - if (beanElement.hasFactoryBeanAttribute()) - return false; - if (beanElement.getClassName() == null) - return false; - if (beanElement.getClassName().startsWith("org.springframework")) - return false; - // return true otherwise - return true; - } - - /** - * Gets hold of the application-context.xml file as a Spring resource - * @param locationAttr - the location attribute from the <implementation.spring../> element - * @param cl - the ClassLoader for the Spring implementation - */ - protected List<URL> getApplicationContextResource(URL url) throws ContributionReadException { - File manifestFile = null; - File appXmlFile; - File appXmlFolder; - File locationFile = null; - List<URL> appCtxResources = new ArrayList<URL>(); - - if (url != null) { - String path = url.getPath(); - locationFile = new File(path); - } else { - throw new ContributionReadException( - "SpringXMLComponentTypeLoader getApplicationContextResource: " + "unable to find resource file " - + url); - } - - if (locationFile.isDirectory()) { - try { - manifestFile = new File(locationFile, "META-INF" + File.separator + "MANIFEST.MF"); - if (manifestFile.exists()) { - Manifest mf = new Manifest(new FileInputStream(manifestFile)); - Attributes mainAttrs = mf.getMainAttributes(); - String appCtxPath = mainAttrs.getValue("Spring-Context"); - if (appCtxPath != null) { - String[] cxtPaths = appCtxPath.split(";"); - for (String path : cxtPaths) { - appXmlFile = new File(locationFile, path.trim()); - if (appXmlFile.exists()) { - appCtxResources.add(appXmlFile.toURI().toURL()); - } - } - return appCtxResources; - } - } - // No MANIFEST.MF file OR no manifest-specified Spring context , then read all the - // xml files available in the META-INF/spring folder. - appXmlFolder = new File(locationFile, "META-INF" + File.separator + "spring"); - if (appXmlFolder.exists()) { - File[] files = appXmlFolder.listFiles(); - for (File appFile : files) { - if (appFile.getName().endsWith(".xml")) { - appCtxResources.add(appFile.toURI().toURL()); - } - } - return appCtxResources; - } - } catch (IOException e) { - throw new ContributionReadException("Error reading manifest " + manifestFile); - } - } else { - if (locationFile.isFile() && locationFile.getName().endsWith(".jar")) { - try { - JarFile jf = new JarFile(locationFile); - JarEntry je; - Manifest mf = jf.getManifest(); - if (mf != null) { - Attributes mainAttrs = mf.getMainAttributes(); - String appCtxPath = mainAttrs.getValue("Spring-Context"); - if (appCtxPath != null) { - String[] cxtPaths = appCtxPath.split(";"); - for (String path : cxtPaths) { - je = jf.getJarEntry(path.trim()); - if (je != null) - appCtxResources.add(new URL("jar:" + locationFile.toURI().toURL() - + "!/" - + appCtxPath)); - } - return appCtxResources; - } - } - // No MANIFEST.MF file OR no manifest-specified Spring context , then read all the - // .xml files available in the META-INF/spring folder. - Enumeration<JarEntry> entries = jf.entries(); - while (entries.hasMoreElements()) { - je = entries.nextElement(); - if (je.getName().startsWith("META-INF/spring/") && je.getName().endsWith(".xml")) { - appCtxResources.add(new URL("jar:" + locationFile.toURI().toURL() + "!/" + je.getName())); - } - } - return appCtxResources; - } catch (IOException e) { - // TODO: create a more appropriate exception type - throw new ContributionReadException( - "SpringXMLComponentTypeLoader getApplicationContextResource: " + " IO exception reading context file.", - e); - } - } else { - if (locationFile.getName().endsWith(".xml")) { - appCtxResources.add(url); - return appCtxResources; - } else { - // Deal with the directory inside a jar file, in case the contribution itself is a JAR file. - try { - if (locationFile.getPath().indexOf(".jar") > 0) { - String jarPath = url.getPath().substring(5, url.getPath().indexOf("!")); - JarFile jf = new JarFile(jarPath); - JarEntry je = - jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/") + 2) + "/" - + "META-INF" - + "/" - + "MANIFEST.MF"); - if (je != null) { - Manifest mf = new Manifest(jf.getInputStream(je)); - Attributes mainAttrs = mf.getMainAttributes(); - String appCtxPath = mainAttrs.getValue("Spring-Context"); - if (appCtxPath != null) { - String[] cxtPaths = appCtxPath.split(";"); - for (String path : cxtPaths) { - je = - jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/") + 2) + "/" - + path.trim()); - if (je != null) { - appCtxResources.add(new URL("jar:" + url.getPath() + "/" + path.trim())); - } - } - return appCtxResources; - } - } - // No MANIFEST.MF file OR no manifest-specified Spring context , then read all the - // .xml files available in the META-INF/spring folder. - Enumeration<JarEntry> entries = jf.entries(); - while (entries.hasMoreElements()) { - je = entries.nextElement(); - if (je.getName().startsWith("META-INF/spring/") && je.getName().endsWith(".xml")) { - appCtxResources.add(new URL("jar:" + url.getPath() + "/" + je.getName())); - } - } - return appCtxResources; - } - } catch (IOException e) { - throw new ContributionReadException("Error reading manifest " + manifestFile); - } - } - } - } - - throw new ContributionReadException( - "SpringXMLComponentTypeLoader getApplicationContextResource: " + "unable to process unknown resource type: " - + url); - } // end method getApplicationContextResource - - /** - * Creates a Service for the component type based on its name and Java interface - */ - public Service createService(Class<?> interfaze, String name) throws InvalidInterfaceException { - Service service = assemblyFactory.createService(); - JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract(); - service.setInterfaceContract(interfaceContract); - - // Set the name for the service - service.setName(name); - - // Set the call interface and, if present, the callback interface - JavaInterface callInterface = javaFactory.createJavaInterface(interfaze); - service.getInterfaceContract().setInterface(callInterface); - if (callInterface.getCallbackClass() != null) { - JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass()); - service.getInterfaceContract().setCallbackInterface(callbackInterface); - } - return service; - } // end method createService - - /** - * Creates a Reference for the component type based on its name and Java interface - */ - private org.apache.tuscany.sca.assembly.Reference createReference(Class<?> interfaze, String name) - throws InvalidInterfaceException { - org.apache.tuscany.sca.assembly.Reference reference = assemblyFactory.createReference(); - JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract(); - reference.setInterfaceContract(interfaceContract); - - // Set the name of the reference to the supplied name and the multiplicity of the reference - // to 1..1 - for Spring implementations, this is the only multiplicity supported - reference.setName(name); - reference.setMultiplicity(Multiplicity.ONE_ONE); - - // Set the call interface and, if present, the callback interface - JavaInterface callInterface = javaFactory.createJavaInterface(interfaze); - reference.getInterfaceContract().setInterface(callInterface); - if (callInterface.getCallbackClass() != null) { - JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass()); - reference.getInterfaceContract().setCallbackInterface(callbackInterface); - } - - return reference; - } - - private class ContextClassLoader extends ClassLoader { - public ContextClassLoader(ModelResolver resolver, ProcessorContext context) { - super(); - this.resolver = resolver; - this.context = context; - } - - private ModelResolver resolver; - private ProcessorContext context; - - @Override - protected Class<?> findClass(String name) throws ClassNotFoundException { - return SpringXMLComponentTypeLoader.this.resolveClass(resolver, name, context); - } - - @Override - protected URL findResource(String name) { - try { - return resolveLocation(resolver, name, context); - } catch (Exception e) { - return null; - } - } - - @Override - protected Enumeration<URL> findResources(String name) throws IOException { - URL url = findResource(name); - if (url != null) { - return Collections.enumeration(Arrays.asList(url)); - } else { - Collection<URL> urls = Collections.emptyList(); - return Collections.enumeration(urls); - } - } - } -} // end class SpringXMLComponentTypeLoader |