config/src/main/java/org/springframework/security/config/annotation/web/configurers/ExceptionHandlingConfigurer.java
AccessDeniedHandler getAccessDeniedHandler(H http) {
		AccessDeniedHandler deniedHandler = this.accessDeniedHandler;
		if (deniedHandler == null) {
			deniedHandler = createDefaultDeniedHandler(http);
		}
		return deniedHandler;
	}
AccessDeniedHandler getAccessDeniedHandler(H http) {
		AccessDeniedHandler deniedHandler = this.accessDeniedHandler;
		if (deniedHandler == null) {
			deniedHandler = createDefaultDeniedHandler(http);
		}
		return deniedHandler;
	}
Gets the {@link AccessDeniedHandler} according to the rules specified by
{@link #accessDeniedHandler(AccessDeniedHandler)}
@param http the {@link HttpSecurity} used to look up shared
{@link AccessDeniedHandler}
@return the {@link AccessDeniedHandler} to use