Java Code Examples for org.springframework.web.method.annotation.ExceptionHandlerMethodResolver#hasExceptionMappings()
The following examples show how to use
org.springframework.web.method.annotation.ExceptionHandlerMethodResolver#hasExceptionMappings() .
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Example 1
Source File: SpringMvcPolyfill.java From Milkomeda with MIT License | 6 votes |
/** * 动态添加异常切面 * @param handlerExceptionResolver HandlerExceptionResolver * @param beanFactory BeanFactory * @param beanName 异常拦截处理器bean名 */ public static void addDynamicExceptionAdvice(HandlerExceptionResolver handlerExceptionResolver, BeanFactory beanFactory, String beanName) { if (handlerExceptionResolver instanceof HandlerExceptionResolverComposite) { List<HandlerExceptionResolver> exceptionResolvers = ((HandlerExceptionResolverComposite) handlerExceptionResolver).getExceptionResolvers(); for (HandlerExceptionResolver exceptionResolver : exceptionResolvers) { if (exceptionResolver instanceof ExceptionHandlerExceptionResolver) { // TODO <mark> 由于使用底层API, 这个exceptionHandlerAdviceCache属性在未来版本中可能会改 Map<ControllerAdviceBean, ExceptionHandlerMethodResolver> resolverMap = ReflectUtil.invokeFieldPath(exceptionResolver, "exceptionHandlerAdviceCache"); if (resolverMap == null) { resolverMap = new HashMap<>(2); } // 仿Spring MVC源码创建advice ControllerAdviceBean adviceBean = new ControllerAdviceBean(beanName, ApplicationContextHolder.get(), null); Class<?> beanType = adviceBean.getBeanType(); if (beanType == null) { throw new IllegalStateException("SpringMvcPolyfill find unresolvable type for ControllerAdviceBean: " + adviceBean); } ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(beanType); if (resolver.hasExceptionMappings()) { resolverMap.put(adviceBean, resolver); } break; } } } }
Example 2
Source File: ExceptionHandlerExceptionResolver.java From spring4-understanding with Apache License 2.0 | 6 votes |
private void initExceptionHandlerAdviceCache() { if (getApplicationContext() == null) { return; } if (logger.isDebugEnabled()) { logger.debug("Looking for exception mappings: " + getApplicationContext()); } List<ControllerAdviceBean> adviceBeans = ControllerAdviceBean.findAnnotatedBeans(getApplicationContext()); AnnotationAwareOrderComparator.sort(adviceBeans); for (ControllerAdviceBean adviceBean : adviceBeans) { ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(adviceBean.getBeanType()); if (resolver.hasExceptionMappings()) { this.exceptionHandlerAdviceCache.put(adviceBean, resolver); logger.info("Detected @ExceptionHandler methods in " + adviceBean); } if (ResponseBodyAdvice.class.isAssignableFrom(adviceBean.getBeanType())) { this.responseBodyAdvice.add(adviceBean); logger.info("Detected ResponseBodyAdvice implementation in " + adviceBean); } } }
Example 3
Source File: ControllerMethodResolver.java From spring-analysis-note with MIT License | 5 votes |
private void initControllerAdviceCaches(ApplicationContext applicationContext) { List<ControllerAdviceBean> beans = ControllerAdviceBean.findAnnotatedBeans(applicationContext); AnnotationAwareOrderComparator.sort(beans); for (ControllerAdviceBean bean : beans) { Class<?> beanType = bean.getBeanType(); if (beanType != null) { Set<Method> attrMethods = MethodIntrospector.selectMethods(beanType, MODEL_ATTRIBUTE_METHODS); if (!attrMethods.isEmpty()) { this.modelAttributeAdviceCache.put(bean, attrMethods); } Set<Method> binderMethods = MethodIntrospector.selectMethods(beanType, INIT_BINDER_METHODS); if (!binderMethods.isEmpty()) { this.initBinderAdviceCache.put(bean, binderMethods); } ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(beanType); if (resolver.hasExceptionMappings()) { this.exceptionHandlerAdviceCache.put(bean, resolver); } } } if (logger.isDebugEnabled()) { int modelSize = this.modelAttributeAdviceCache.size(); int binderSize = this.initBinderAdviceCache.size(); int handlerSize = this.exceptionHandlerAdviceCache.size(); if (modelSize == 0 && binderSize == 0 && handlerSize == 0) { logger.debug("ControllerAdvice beans: none"); } else { logger.debug("ControllerAdvice beans: " + modelSize + " @ModelAttribute, " + binderSize + " @InitBinder, " + handlerSize + " @ExceptionHandler"); } } }
Example 4
Source File: ExceptionHandlerExceptionResolver.java From spring-analysis-note with MIT License | 5 votes |
private void initExceptionHandlerAdviceCache() { if (getApplicationContext() == null) { return; } List<ControllerAdviceBean> adviceBeans = ControllerAdviceBean.findAnnotatedBeans(getApplicationContext()); AnnotationAwareOrderComparator.sort(adviceBeans); for (ControllerAdviceBean adviceBean : adviceBeans) { Class<?> beanType = adviceBean.getBeanType(); if (beanType == null) { throw new IllegalStateException("Unresolvable type for ControllerAdviceBean: " + adviceBean); } ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(beanType); if (resolver.hasExceptionMappings()) { this.exceptionHandlerAdviceCache.put(adviceBean, resolver); } if (ResponseBodyAdvice.class.isAssignableFrom(beanType)) { this.responseBodyAdvice.add(adviceBean); } } if (logger.isDebugEnabled()) { int handlerSize = this.exceptionHandlerAdviceCache.size(); int adviceSize = this.responseBodyAdvice.size(); if (handlerSize == 0 && adviceSize == 0) { logger.debug("ControllerAdvice beans: none"); } else { logger.debug("ControllerAdvice beans: " + handlerSize + " @ExceptionHandler, " + adviceSize + " ResponseBodyAdvice"); } } }
Example 5
Source File: ControllerMethodResolver.java From java-technology-stack with MIT License | 5 votes |
private void initControllerAdviceCaches(ApplicationContext applicationContext) { List<ControllerAdviceBean> beans = ControllerAdviceBean.findAnnotatedBeans(applicationContext); AnnotationAwareOrderComparator.sort(beans); for (ControllerAdviceBean bean : beans) { Class<?> beanType = bean.getBeanType(); if (beanType != null) { Set<Method> attrMethods = MethodIntrospector.selectMethods(beanType, MODEL_ATTRIBUTE_METHODS); if (!attrMethods.isEmpty()) { this.modelAttributeAdviceCache.put(bean, attrMethods); } Set<Method> binderMethods = MethodIntrospector.selectMethods(beanType, INIT_BINDER_METHODS); if (!binderMethods.isEmpty()) { this.initBinderAdviceCache.put(bean, binderMethods); } ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(beanType); if (resolver.hasExceptionMappings()) { this.exceptionHandlerAdviceCache.put(bean, resolver); } } } if (logger.isDebugEnabled()) { int modelSize = this.modelAttributeAdviceCache.size(); int binderSize = this.initBinderAdviceCache.size(); int handlerSize = this.exceptionHandlerAdviceCache.size(); if (modelSize == 0 && binderSize == 0 && handlerSize == 0) { logger.debug("ControllerAdvice beans: none"); } else { logger.debug("ControllerAdvice beans: " + modelSize + " @ModelAttribute, " + binderSize + " @InitBinder, " + handlerSize + " @ExceptionHandler"); } } }
Example 6
Source File: ExceptionHandlerExceptionResolver.java From java-technology-stack with MIT License | 5 votes |
private void initExceptionHandlerAdviceCache() { if (getApplicationContext() == null) { return; } List<ControllerAdviceBean> adviceBeans = ControllerAdviceBean.findAnnotatedBeans(getApplicationContext()); AnnotationAwareOrderComparator.sort(adviceBeans); for (ControllerAdviceBean adviceBean : adviceBeans) { Class<?> beanType = adviceBean.getBeanType(); if (beanType == null) { throw new IllegalStateException("Unresolvable type for ControllerAdviceBean: " + adviceBean); } ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(beanType); if (resolver.hasExceptionMappings()) { this.exceptionHandlerAdviceCache.put(adviceBean, resolver); } if (ResponseBodyAdvice.class.isAssignableFrom(beanType)) { this.responseBodyAdvice.add(adviceBean); } } if (logger.isDebugEnabled()) { int handlerSize = this.exceptionHandlerAdviceCache.size(); int adviceSize = this.responseBodyAdvice.size(); if (handlerSize == 0 && adviceSize == 0) { logger.debug("ControllerAdvice beans: none"); } else { logger.debug("ControllerAdvice beans: " + handlerSize + " @ExceptionHandler, " + adviceSize + " ResponseBodyAdvice"); } } }
Example 7
Source File: ExceptionHandlerExceptionResolver.java From lams with GNU General Public License v2.0 | 5 votes |
private void initExceptionHandlerAdviceCache() { if (getApplicationContext() == null) { return; } if (logger.isDebugEnabled()) { logger.debug("Looking for exception mappings: " + getApplicationContext()); } List<ControllerAdviceBean> adviceBeans = ControllerAdviceBean.findAnnotatedBeans(getApplicationContext()); AnnotationAwareOrderComparator.sort(adviceBeans); for (ControllerAdviceBean adviceBean : adviceBeans) { ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(adviceBean.getBeanType()); if (resolver.hasExceptionMappings()) { this.exceptionHandlerAdviceCache.put(adviceBean, resolver); if (logger.isInfoEnabled()) { logger.info("Detected @ExceptionHandler methods in " + adviceBean); } } if (ResponseBodyAdvice.class.isAssignableFrom(adviceBean.getBeanType())) { this.responseBodyAdvice.add(adviceBean); if (logger.isInfoEnabled()) { logger.info("Detected ResponseBodyAdvice implementation in " + adviceBean); } } } }