Fix issue with DeferredResult on @RestController

Before this change, async result handling on controller methods failed
to observe type-level annotations annotations. The issue was never
noticed until we started supporting type-level @ResponseBody and the
@RestController meta annotation.

Issue: SPR-10905
This commit is contained in:
Rossen Stoyanchev
2013-10-14 14:47:44 -04:00
parent 3bd6dfe047
commit cf7889e226
2 changed files with 99 additions and 21 deletions

View File

@@ -15,12 +15,9 @@
*/
package org.springframework.web.servlet.mvc.method.annotation;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
@@ -28,13 +25,18 @@ import org.junit.Before;
import org.junit.Test;
import org.springframework.core.MethodParameter;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.HttpMessageNotWritableException;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.context.request.async.DeferredResult;
import org.springframework.web.method.annotation.RequestParamMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodArgumentResolverComposite;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
@@ -42,6 +44,8 @@ import org.springframework.web.method.support.HandlerMethodReturnValueHandlerCom
import org.springframework.web.method.support.ModelAndViewContainer;
import org.springframework.web.servlet.view.RedirectView;
import static org.junit.Assert.*;
/**
* Test fixture with {@link ServletInvocableHandlerMethod}.
*
@@ -73,7 +77,7 @@ public class ServletInvocableHandlerMethodTests {
@Test
public void invokeAndHandle_VoidWithResponseStatus() throws Exception {
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod("responseStatus");
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new Handler(), "responseStatus");
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertTrue("Null return value + @ResponseStatus should result in 'request handled'",
@@ -85,7 +89,7 @@ public class ServletInvocableHandlerMethodTests {
public void invokeAndHandle_VoidWithHttpServletResponseArgument() throws Exception {
argumentResolvers.addResolver(new ServletResponseMethodArgumentResolver());
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod("httpServletResponse", HttpServletResponse.class);
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new Handler(), "httpServletResponse", HttpServletResponse.class);
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertTrue("Null return value + HttpServletResponse arg should result in 'request handled'",
@@ -98,7 +102,7 @@ public class ServletInvocableHandlerMethodTests {
int lastModifiedTimestamp = 1000 * 1000;
webRequest.checkNotModified(lastModifiedTimestamp);
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod("notModified");
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new Handler(), "notModified");
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertTrue("Null return value + 'not modified' request should result in 'request handled'",
@@ -109,7 +113,7 @@ public class ServletInvocableHandlerMethodTests {
@Test
public void invokeAndHandle_NotVoidWithResponseStatusAndReason() throws Exception {
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod("responseStatusWithReason");
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new Handler(), "responseStatusWithReason");
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertTrue("When a phrase is used, the response should not be used any more", mavContainer.isRequestHandled());
@@ -121,7 +125,7 @@ public class ServletInvocableHandlerMethodTests {
public void invokeAndHandle_Exception() throws Exception {
returnValueHandlers.addHandler(new ExceptionRaisingReturnValueHandler());
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod("handle");
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new Handler(), "handle");
handlerMethod.invokeAndHandle(webRequest, mavContainer);
fail("Expected exception");
}
@@ -133,7 +137,7 @@ public class ServletInvocableHandlerMethodTests {
returnValueHandlers.addHandler(new ViewNameMethodReturnValueHandler());
// Invoke without a request parameter (String return value)
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod("dynamicReturnValue", String.class);
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new Handler(), "dynamicReturnValue", String.class);
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertNotNull(mavContainer.getView());
@@ -146,11 +150,45 @@ public class ServletInvocableHandlerMethodTests {
assertEquals("view", mavContainer.getViewName());
}
@Test
public void wrapConcurrentResult_MethodLevelResponseBody() throws Exception {
wrapConcurrentResult_ResponseBody(new MethodLevelResponseBodyHandler());
}
private ServletInvocableHandlerMethod getHandlerMethod(String methodName, Class<?>... argTypes)
throws NoSuchMethodException {
Method method = Handler.class.getDeclaredMethod(methodName, argTypes);
ServletInvocableHandlerMethod handlerMethod = new ServletInvocableHandlerMethod(new Handler(), method);
@Test
public void wrapConcurrentResult_TypeLevelResponseBody() throws Exception {
wrapConcurrentResult_ResponseBody(new TypeLevelResponseBodyHandler());
}
private void wrapConcurrentResult_ResponseBody(Object handler) throws Exception {
List<HttpMessageConverter<?>> converters = new ArrayList<HttpMessageConverter<?>>();
converters.add(new StringHttpMessageConverter());
returnValueHandlers.addHandler(new RequestResponseBodyMethodProcessor(converters));
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(handler, "handle");
handlerMethod = handlerMethod.wrapConcurrentResult("bar");
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertEquals("bar", response.getContentAsString());
}
@Test
public void wrapConcurrentResult_ResponseEntity() throws Exception {
List<HttpMessageConverter<?>> converters = new ArrayList<HttpMessageConverter<?>>();
converters.add(new StringHttpMessageConverter());
returnValueHandlers.addHandler(new HttpEntityMethodProcessor(converters));
ServletInvocableHandlerMethod handlerMethod = getHandlerMethod(new ResponseEntityHandler(), "handle");
handlerMethod = handlerMethod.wrapConcurrentResult(new ResponseEntity<>("bar", HttpStatus.OK));
handlerMethod.invokeAndHandle(webRequest, mavContainer);
assertEquals("bar", response.getContentAsString());
}
private ServletInvocableHandlerMethod getHandlerMethod(Object controller,
String methodName, Class<?>... argTypes) throws NoSuchMethodException {
Method method = controller.getClass().getDeclaredMethod(methodName, argTypes);
ServletInvocableHandlerMethod handlerMethod = new ServletInvocableHandlerMethod(controller, method);
handlerMethod.setHandlerMethodArgumentResolvers(argumentResolvers);
handlerMethod.setHandlerMethodReturnValueHandlers(returnValueHandlers);
return handlerMethod;
@@ -183,6 +221,31 @@ public class ServletInvocableHandlerMethodTests {
}
}
private static class MethodLevelResponseBodyHandler {
@ResponseBody
public DeferredResult<String> handle() {
return new DeferredResult<>();
}
}
@ResponseBody
private static class TypeLevelResponseBodyHandler {
@SuppressWarnings("unused")
public DeferredResult<String> handle() {
return new DeferredResult<String>();
}
}
private static class ResponseEntityHandler {
public DeferredResult<ResponseEntity<String>> handle() {
return new DeferredResult<>();
}
}
private static class ExceptionRaisingReturnValueHandler implements HandlerMethodReturnValueHandler {
@Override