/** * Determine the names of candidate beans in the application context. * @since 5.1 * @see #setDetectHandlerMethodsInAncestorContexts * @see BeanFactoryUtils#beanNamesForTypeIncludingAncestors */ protected String[] getCandidateBeanNames() { return (this.detectHandlerMethodsInAncestorContexts ? BeanFactoryUtils.beanNamesForTypeIncludingAncestors(obtainApplicationContext(), Object.class) : obtainApplicationContext().getBeanNamesForType(Object.class)); }
/** * Determine the names of candidate beans in the application context. * @since 5.1 * @see #setDetectHandlerMethodsInAncestorContexts * @see BeanFactoryUtils#beanNamesForTypeIncludingAncestors */ protected String[] getCandidateBeanNames() { return (this.detectHandlerMethodsInAncestorContexts ? BeanFactoryUtils.beanNamesForTypeIncludingAncestors(obtainApplicationContext(), Object.class) : obtainApplicationContext().getBeanNamesForType(Object.class)); }
/** * Create the HandlerMethod instance. * @param handler either a bean name or an actual handler instance * @param method the target method * @return the created HandlerMethod */ protected HandlerMethod createHandlerMethod(Object handler, Method method) { HandlerMethod handlerMethod; if (handler instanceof String) { String beanName = (String) handler; handlerMethod = new HandlerMethod(beanName, obtainApplicationContext().getAutowireCapableBeanFactory(), method); } else { handlerMethod = new HandlerMethod(handler, method); } return handlerMethod; }
/** * Determine the type of the specified candidate bean and call * {@link #detectHandlerMethods} if identified as a handler type. * <p>This implementation avoids bean creation through checking * {@link org.springframework.beans.factory.BeanFactory#getType} * and calling {@link #detectHandlerMethods} with the bean name. * @param beanName the name of the candidate bean * @since 5.1 * @see #isHandler * @see #detectHandlerMethods */ protected void processCandidateBean(String beanName) { Class<?> beanType = null; try { beanType = obtainApplicationContext().getType(beanName); } catch (Throwable ex) { // An unresolvable bean type, probably from a lazy bean - let's ignore it. if (logger.isTraceEnabled()) { logger.trace("Could not resolve type for bean '" + beanName + "'", ex); } } if (beanType != null && isHandler(beanType)) { detectHandlerMethods(beanName); } }
/** * Look for handler methods in the specified handler bean. * @param handler either a bean name or an actual handler instance * @see #getMappingForMethod */ protected void detectHandlerMethods(Object handler) { Class<?> handlerType = (handler instanceof String ? obtainApplicationContext().getType((String) handler) : handler.getClass()); if (handlerType != null) { Class<?> userType = ClassUtils.getUserClass(handlerType); Map<Method, T> methods = MethodIntrospector.selectMethods(userType, (MethodIntrospector.MetadataLookup<T>) method -> { try { return getMappingForMethod(method, userType); } catch (Throwable ex) { throw new IllegalStateException("Invalid mapping on handler class [" + userType.getName() + "]: " + method, ex); } }); if (logger.isTraceEnabled()) { logger.trace(formatMappings(userType, methods)); } methods.forEach((method, mapping) -> { Method invocableMethod = AopUtils.selectInvocableMethod(method, userType); registerHandlerMethod(handler, invocableMethod, mapping); }); } }
/** * Create the HandlerMethod instance. * @param handler either a bean name or an actual handler instance * @param method the target method * @return the created HandlerMethod */ protected HandlerMethod createHandlerMethod(Object handler, Method method) { HandlerMethod handlerMethod; if (handler instanceof String) { String beanName = (String) handler; handlerMethod = new HandlerMethod(beanName, obtainApplicationContext().getAutowireCapableBeanFactory(), method); } else { handlerMethod = new HandlerMethod(handler, method); } return handlerMethod; }
/** * Determine the type of the specified candidate bean and call * {@link #detectHandlerMethods} if identified as a handler type. * <p>This implementation avoids bean creation through checking * {@link org.springframework.beans.factory.BeanFactory#getType} * and calling {@link #detectHandlerMethods} with the bean name. * @param beanName the name of the candidate bean * @since 5.1 * @see #isHandler * @see #detectHandlerMethods */ protected void processCandidateBean(String beanName) { Class<?> beanType = null; try { beanType = obtainApplicationContext().getType(beanName); } catch (Throwable ex) { // An unresolvable bean type, probably from a lazy bean - let's ignore it. if (logger.isTraceEnabled()) { logger.trace("Could not resolve type for bean '" + beanName + "'", ex); } } if (beanType != null && isHandler(beanType)) { detectHandlerMethods(beanName); } }
/** * Look for handler methods in the specified handler bean. * @param handler either a bean name or an actual handler instance * @see #getMappingForMethod */ protected void detectHandlerMethods(Object handler) { Class<?> handlerType = (handler instanceof String ? obtainApplicationContext().getType((String) handler) : handler.getClass()); if (handlerType != null) { Class<?> userType = ClassUtils.getUserClass(handlerType); Map<Method, T> methods = MethodIntrospector.selectMethods(userType, (MethodIntrospector.MetadataLookup<T>) method -> { try { return getMappingForMethod(method, userType); } catch (Throwable ex) { throw new IllegalStateException("Invalid mapping on handler class [" + userType.getName() + "]: " + method, ex); } }); if (logger.isTraceEnabled()) { logger.trace(formatMappings(userType, methods)); } methods.forEach((method, mapping) -> { Method invocableMethod = AopUtils.selectInvocableMethod(method, userType); registerHandlerMethod(handler, invocableMethod, mapping); }); } }