List of usage examples for org.springframework.beans.factory.xml ParserContext getContainingComponent
@Nullable
public CompositeComponentDefinition getContainingComponent()
From source file:com.mtgi.analytics.aop.config.TemplateBeanDefinitionParser.java
/** * If the given parse operation is nested inside an instance of {@link TemplateBeanDefinitionParser.TemplateComponentDefinition}, return * the template bean configuration associated with that component. Otherwise return null. *//*from w ww . ja v a 2s. c om*/ public static DefaultListableBeanFactory findEnclosingTemplateFactory(ParserContext context) { if (context.isNested()) { //TODO: support deeper nesting. this logic breaks completely with bt:persister-chain. CompositeComponentDefinition parent = context.getContainingComponent(); if (parent instanceof TemplateComponentDefinition) return ((TemplateComponentDefinition) parent).getTemplateFactory(); } return null; }
From source file:com.mtgi.analytics.aop.config.v11.BtManagerBeanDefinitionParser.java
/** * called by nested tags to push inner beans into the enclosing {@link BehaviorTrackingManagerImpl}. * @return <span>true if the inner bean was added to an enclosing {@link BehaviorTrackingManagerImpl}. Otherwise, the bean definition * is not nested inside a <bt:manager> tag and therefore will have to be registered as a global bean in the application * context.</span>//from ww w . j ava 2 s. co m */ protected static boolean registerNestedBean(BeanDefinitionHolder nested, String parentProperty, ParserContext parserContext) { //add parsed inner bean element to containing manager definition; e.g. persister or SessionContext impls. CompositeComponentDefinition parent = parserContext.getContainingComponent(); if (parent instanceof ManagerComponentDefinition) { //we are nested; add to enclosing bean def. ManagerComponentDefinition mcd = (ManagerComponentDefinition) parent; BeanDefinition managerDef = parserContext.getContainingBeanDefinition(); MutablePropertyValues props = managerDef.getPropertyValues(); PropertyValue current = props.getPropertyValue(parentProperty); boolean innerBean = true; if (current != null) { //if the original value is a reference, replace it with an alias to the nested bean definition. //this means the nested bean takes the place of the default definition //in other places where it might be referenced, as well as during mbean export Object value = current.getValue(); DefaultListableBeanFactory factory = mcd.getTemplateFactory(); if (value instanceof RuntimeBeanReference) { String ref = ((RuntimeBeanReference) value).getBeanName(); if (factory.getBeanDefinition(ref) == nested.getBeanDefinition()) { //the nested definition is the same as the default definition //by reference, so we don't need to make it an inner bean definition. innerBean = false; } } } if (innerBean) props.addPropertyValue(parentProperty, nested); mcd.addNestedProperty(parentProperty); return true; } //bean is not nested inside bt:manager return false; }
From source file:com.mtgi.analytics.aop.config.v11.BtManagerBeanDefinitionParser.java
@Override protected void transform(ConfigurableListableBeanFactory factory, BeanDefinition template, Element element, ParserContext parserContext) { ManagerComponentDefinition def = (ManagerComponentDefinition) parserContext.getContainingComponent(); String managerId = overrideAttribute(ATT_ID, template, element); if (managerId == null) template.setAttribute(ATT_ID, managerId = "defaultTrackingManager"); if ("false".equals(element.getAttribute(ATT_ENABLED))) { //manager is disabled. replace definition with dummy instance. template.setBeanClassName(DisabledBehaviorTrackingManager.class.getName()); //clear properties and attributes. for (String att : template.attributeNames()) if (!ATT_ID.equals(att)) template.removeAttribute(att); template.getPropertyValues().clear(); //terminate immediately, do not parse any nested definitions (persisters, AOP config, context beans, etc) return;/*from ww w .ja va2 s . co m*/ } overrideProperty(ATT_APPLICATION, template, element, false); overrideProperty(ATT_FLUSH_THRESHOLD, template, element, false); //wake up MBeanExporter if we're going to be doing MBean registration. if ("true".equalsIgnoreCase(element.getAttribute(ATT_REGISTER_MBEANS))) { AbstractBeanDefinition exporter = (AbstractBeanDefinition) factory .getBeanDefinition(CONFIG_MBEAN_EXPORTER); exporter.setLazyInit(false); //append manager ID to mbean name, in case of multiple managers in a single application. BeanDefinition naming = factory.getBeanDefinition(CONFIG_NAMING_STRATEGY); naming.getPropertyValues().addPropertyValue("value", managerId); } //prefer references to beans in the parent factory if they've been specified if (element.hasAttribute(ATT_MBEAN_SERVER)) factory.registerAlias(element.getAttribute(ATT_MBEAN_SERVER), CONFIG_MBEAN_SERVER); if (element.hasAttribute(ATT_SCHEDULER)) factory.registerAlias(element.getAttribute(ATT_SCHEDULER), CONFIG_SCHEDULER); if (element.hasAttribute(ATT_TASK_EXECUTOR)) factory.registerAlias(element.getAttribute(ATT_TASK_EXECUTOR), CONFIG_EXECUTOR); //make note of external persister element so that we don't activate log rotation. if (element.hasAttribute(ATT_PERSISTER)) { def.addNestedProperty(ATT_PERSISTER); MutablePropertyValues props = template.getPropertyValues(); props.removePropertyValue(ATT_PERSISTER); props.addPropertyValue(ATT_PERSISTER, new RuntimeBeanReference(element.getAttribute(ATT_PERSISTER))); } if (element.hasAttribute(ATT_SESSION_CONTEXT)) { //override default session context with reference def.addNestedProperty("sessionContext"); factory.registerAlias(element.getAttribute(ATT_SESSION_CONTEXT), CONFIG_SESSION_CONTEXT); } //handle AOP configuration if needed if (element.hasAttribute(ATT_METHOD_EXPRESSION)) { //activate global AOP proxying if it hasn't already been done (borrowed logic from AopNamespaceHandler / config element parser) activateAopProxies(parserContext, element); //register pointcut definition for the provided expression. RootBeanDefinition pointcut = new RootBeanDefinition(AspectJExpressionPointcut.class); //rely on deprecated method to maintain spring 2.0 support pointcut.setSingleton(false); pointcut.setSynthetic(true); pointcut.getPropertyValues().addPropertyValue("expression", element.getAttribute(ATT_METHOD_EXPRESSION)); //create implicit pointcut advice bean. RootBeanDefinition advice = new RootBeanDefinition(BehaviorTrackingAdvice.class); advice.getPropertyValues().addPropertyValue("trackingManager", new RuntimeBeanReference(managerId)); //register advice, pointcut, and advisor entry to bind the two together. XmlReaderContext ctx = parserContext.getReaderContext(); String pointcutId = ctx.registerWithGeneratedName(pointcut); String adviceId = ctx.registerWithGeneratedName(advice); RootBeanDefinition advisorDefinition = new RootBeanDefinition(DefaultBeanFactoryPointcutAdvisor.class); advisorDefinition.getPropertyValues().addPropertyValue("adviceBeanName", new RuntimeBeanNameReference(adviceId)); advisorDefinition.getPropertyValues().addPropertyValue("pointcut", new RuntimeBeanReference(pointcutId)); ctx.registerWithGeneratedName(advisorDefinition); } //configure flush trigger and job to be globally unique based on manager name. BeanDefinition flushTrigger = factory.getBeanDefinition("com.mtgi.analytics.btFlushTrigger"); SchedulerActivationPostProcessor.configureTriggerDefinition(flushTrigger, element.getAttribute(ATT_FLUSH_SCHEDULE), managerId + "_flush"); //set up a post-processor to register the flush job with the selected scheduler instance. the job and scheduler //come from the template factory, but the post-processor runs when the currently-parsing factory is finished. SchedulerActivationPostProcessor.registerPostProcessor(parserContext, factory, CONFIG_SCHEDULER, CONFIG_NAMESPACE + ".btFlushTrigger"); //ManagerComponentDefinition is a flag to nested parsers that they should push their parsed bean definitions into //the manager bean definition. for example, see BtPersisterBeanDefinitionParser. //descend on nested child nodes to pick up persister and session context configuration NodeList children = element.getChildNodes(); for (int i = 0; i < children.getLength(); i++) { Node node = children.item(i); if (node.getNodeType() == Node.ELEMENT_NODE) { String namespaceUri = node.getNamespaceURI(); NamespaceHandler handler = parserContext.getReaderContext().getNamespaceHandlerResolver() .resolve(namespaceUri); ParserContext nestedCtx = new ParserContext(parserContext.getReaderContext(), parserContext.getDelegate(), template); nestedCtx.pushContainingComponent(def); handler.parse((Element) node, nestedCtx); } } if (!def.nestedProperties.contains(ATT_PERSISTER)) { //no persister registered. schedule default log rotation trigger. BtXmlPersisterBeanDefinitionParser.configureLogRotation(parserContext, factory, null); } if (!def.nestedProperties.contains("sessionContext")) { //custom session context not registered. select appropriate default class //depending on whether we are in a web context or not. if (parserContext.getReaderContext().getReader().getResourceLoader() instanceof WebApplicationContext) { BeanDefinition scDef = factory.getBeanDefinition(CONFIG_SESSION_CONTEXT); scDef.setBeanClassName(SpringSessionContext.class.getName()); } } }