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SPR-7278 extension hook to extend the @ExceptionHandler methods for a controller 

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@4571 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Rossen Stoyanchev 2011-06-17 13:14:34 +00:00
parent c287a3c71b
commit 82339ea9bf
1 changed files with 11 additions and 0 deletions
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11
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/method/annotation/ExceptionHandlerExceptionResolver.java
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@ -264,12 +264,23 @@ public class ExceptionHandlerExceptionResolver extends AbstractHandlerMethodExce
ExceptionMethodMapping mapping = exceptionMethodMappingCache.get(handlerType); ExceptionMethodMapping mapping = exceptionMethodMappingCache.get(handlerType);
if (mapping == null) { if (mapping == null) {
Set<Method> methods = HandlerMethodSelector.selectMethods(handlerType, EXCEPTION_HANDLER_METHODS); Set<Method> methods = HandlerMethodSelector.selectMethods(handlerType, EXCEPTION_HANDLER_METHODS);
extendExceptionHandlerMethods(methods, handlerType);
mapping = new ExceptionMethodMapping(methods); mapping = new ExceptionMethodMapping(methods);
exceptionMethodMappingCache.put(handlerType, mapping); exceptionMethodMappingCache.put(handlerType, mapping);
} }
return mapping; return mapping;
} }
/**
* Extension hook that subclasses can override to register additional @{@link ExceptionHandler} methods
* by controller type. By default only @{@link ExceptionHandler} methods from the same controller are
* included.
* @param methods the list of @{@link ExceptionHandler} methods detected in the controller allowing to add more
* @param handlerType the controller type to which the @{@link ExceptionHandler} methods will apply
*/
protected void extendExceptionHandlerMethods(Set<Method> methods, Class<?> handlerType) {
}
/** /**
* MethodFilter that matches {@link ExceptionHandler @ExceptionHandler} methods. * MethodFilter that matches {@link ExceptionHandler @ExceptionHandler} methods.
*/ */