Add configuration property for DispatcherServlet event publishing

Closes gh-17500

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/DispatcherServletAutoConfiguration.java

@@ -92,6 +92,7 @@ public DispatcherServlet dispatcherServlet(HttpProperties httpProperties, WebMvc
 			dispatcherServlet.setDispatchOptionsRequest(webMvcProperties.isDispatchOptionsRequest());
 			dispatcherServlet.setDispatchTraceRequest(webMvcProperties.isDispatchTraceRequest());
 			dispatcherServlet.setThrowExceptionIfNoHandlerFound(webMvcProperties.isThrowExceptionIfNoHandlerFound());
+			dispatcherServlet.setPublishEvents(webMvcProperties.isPublishRequestHandledEvents());
 			dispatcherServlet.setEnableLoggingRequestDetails(httpProperties.isLogRequestDetails());
 			return dispatcherServlet;
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcProperties.java

@@ -76,6 +76,11 @@ public class WebMvcProperties {
 	 */
 	private boolean ignoreDefaultModelOnRedirect = true;
 
+	/**
+	 * Whether to publish a ServletRequestHandledEvent at the end of each request.
+	 */
+	private boolean publishRequestHandledEvents = true;
+
 	/**
 	 * Whether a "NoHandlerFoundException" should be thrown if no Handler was found to
 	 * process a request.
@@ -143,6 +148,14 @@ public void setIgnoreDefaultModelOnRedirect(boolean ignoreDefaultModelOnRedirect
 		this.ignoreDefaultModelOnRedirect = ignoreDefaultModelOnRedirect;
 	}
 
+	public boolean isPublishRequestHandledEvents() {
+		return this.publishRequestHandledEvents;
+	}
+
+	public void setPublishRequestHandledEvents(boolean publishRequestHandledEvents) {
+		this.publishRequestHandledEvents = publishRequestHandledEvents;
+	}
+
 	public boolean isThrowExceptionIfNoHandlerFound() {
 		return this.throwExceptionIfNoHandlerFound;
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/DispatcherServletAutoConfigurationTests.java

@@ -149,16 +149,19 @@ void dispatcherServletDefaultConfig() {
 			assertThat(dispatcherServlet).extracting("dispatchOptionsRequest").containsExactly(true);
 			assertThat(dispatcherServlet).extracting("dispatchTraceRequest").containsExactly(false);
 			assertThat(dispatcherServlet).extracting("enableLoggingRequestDetails").containsExactly(false);
+			assertThat(dispatcherServlet).extracting("publishEvents").containsExactly(true);
 			assertThat(context.getBean("dispatcherServletRegistration")).hasFieldOrPropertyWithValue("loadOnStartup",
 					-1);
 		});
 	}
 
 	@Test
 	void dispatcherServletCustomConfig() {
-		this.contextRunner.withPropertyValues("spring.mvc.throw-exception-if-no-handler-found:true",
-				"spring.mvc.dispatch-options-request:false", "spring.mvc.dispatch-trace-request:true",
-				"spring.mvc.servlet.load-on-startup=5").run((context) -> {
+		this.contextRunner
+				.withPropertyValues("spring.mvc.throw-exception-if-no-handler-found:true",
+						"spring.mvc.dispatch-options-request:false", "spring.mvc.dispatch-trace-request:true",
+						"spring.mvc.publish-request-handled-events:false", "spring.mvc.servlet.load-on-startup=5")
+				.run((context) -> {
 					DispatcherServlet dispatcherServlet = context.getBean(DispatcherServlet.class);
 					assertThat(dispatcherServlet).extracting("throwExceptionIfNoHandlerFound").containsExactly(true);
 					assertThat(dispatcherServlet).extracting("dispatchOptionsRequest").containsExactly(false);