@Async and Spring Security (#864)

spring-security-rest/pom.xml

@@ -220,6 +220,13 @@
 			<version>${springfox-swagger.version}</version>
 		</dependency>
 
+		<!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
+		<dependency>
+			<groupId>commons-fileupload</groupId>
+			<artifactId>commons-fileupload</artifactId>
+			<version>1.3.2</version>
+		</dependency>
+
 	</dependencies>
 
 	<build>

spring-security-rest/src/main/java/org/baeldung/web/controller/AsyncController.java

@@ -0,0 +1,24 @@
+package org.baeldung.web.controller;
+
+import java.util.concurrent.Callable;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.multipart.MultipartFile;
+
+@Controller
+public class AsyncController {
+
+	@RequestMapping(method = RequestMethod.POST, value = "/upload")
+	public Callable<Boolean> processUpload(final MultipartFile file) {
+
+		return new Callable<Boolean>() {
+			public Boolean call() throws Exception {
+				// ...
+				return true;
+			}
+		};
+	}
+
+}

spring-security-rest/src/main/webapp/WEB-INF/api-servlet.xml

@@ -3,4 +3,8 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd">
 
+	<bean id="multipartResolver"
+		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
+		<property name="maxUploadSize" value="1000000" />
+	</bean>
 </beans>

spring-security-rest/src/main/webapp/WEB-INF/web.xml

@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
 	xsi:schemaLocation="
       http://java.sun.com/xml/ns/javaee
-      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"
+      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
->
+	id="WebApp_ID" version="3.0">
 
 	<display-name>Spring MVC Application</display-name>
 
@@ -45,6 +46,8 @@
 	<filter-mapping>
 		<filter-name>springSecurityFilterChain</filter-name>
 		<url-pattern>/*</url-pattern>
+		<dispatcher>REQUEST</dispatcher>
+		<dispatcher>ASYNC</dispatcher>
 	</filter-mapping>
 
 	<!-- <welcome-file-list> -->

spring-security-rest/src/test/java/org/baeldung/web/AsyncControllerTest.java

@@ -0,0 +1,51 @@
+package org.baeldung.web;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.baeldung.spring.ClientWebConfig;
+import org.baeldung.spring.SecurityJavaConfig;
+import org.baeldung.spring.WebConfig;
+import org.baeldung.web.controller.AsyncController;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.mock.web.MockHttpSession;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = { ClientWebConfig.class, SecurityJavaConfig.class, WebConfig.class})
+public class AsyncControllerTest {
+
+	@Autowired
+	WebApplicationContext wac;
+	@Autowired
+	MockHttpSession session;
+	
+	@Mock
+	AsyncController controller;
+
+	private MockMvc mockMvc;
+
+	@Before
+	public void setup() {
+		mockMvc = MockMvcBuilders.webAppContextSetup(wac).build();
+	}
+
+	@Test
+	public void testProcessUpload() throws Exception {
+		MockMultipartFile jsonFile = new MockMultipartFile("json", "", "application/json",
+				"{\"json\": \"someValue\"}".getBytes());
+		mockMvc.perform(MockMvcRequestBuilders.fileUpload("/upload").file(jsonFile)).andExpect(status().isOk());
+	}
+
+}

spring-security-rest/src/test/java/org/baeldung/web/TestConfig.java

@@ -1,10 +1,19 @@
 package org.baeldung.web;
 
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.multipart.MultipartResolver;
+import org.springframework.web.multipart.commons.CommonsMultipartResolver;
 
 @Configuration
 @ComponentScan({ "org.baeldung.web" })
 public class TestConfig {
 
+	@Bean
+	public MultipartResolver multipartResolver() {
+		CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
+		return multipartResolver;
+	}
+
 }