BAEL-7009: Using XML in @RequestBody in Spring REST (#15472)

* BAEL-7009: Using XML in @RequestBody in Spring REST

* BAEL-7009: Fix parametrization issue

* BAEL-7009: Added JAXB dependencies

* BAEL-7009: Back to Java 8 and javax

* Revert "BAEL-7009: Back to Java 8 and javax"

This reverts commit e5f55f344dab75d434d143083196bd00181a3518.

* BAEL-7009: Migrated the solution to Jackson XML

* BAEL-7009: Remove REST file

* BAEL-7009: Cleanup

spring-web-modules/spring-rest-http-3/pom.xml

@@ -20,6 +20,10 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
     </dependencies>
 
 </project>

spring-web-modules/spring-rest-http-3/src/main/java/com/baeldung/xml/AppConfig.java

@@ -0,0 +1,13 @@
+package com.baeldung.xml;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AppConfig {
+
+    public static void main(String[] args) {
+        SpringApplication.run(AppConfig.class, args);
+    }
+    
+}

spring-web-modules/spring-rest-http-3/src/main/java/com/baeldung/xml/controller/User.java

@@ -0,0 +1,79 @@
+package com.baeldung.xml.controller;
+
+import java.util.Objects;
+
+public class User {
+
+    private Long id;
+    private String firstName;
+    private String secondName;
+    public User() {
+    }
+
+    public User(final Long id, final String firstName, final String secondName) {
+        this.id = id;
+        this.firstName = firstName;
+        this.secondName = secondName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(final String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getSecondName() {
+        return secondName;
+    }
+
+    public void setSecondName(final String secondName) {
+        this.secondName = secondName;
+    }
+
+    public void setId(final Long id) {
+        this.id = id;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    @Override
+    public boolean equals(final Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+
+        final User user = (User) o;
+
+        if (!Objects.equals(id, user.id)) {
+            return false;
+        }
+        if (!Objects.equals(firstName, user.firstName)) {
+            return false;
+        }
+        return Objects.equals(secondName, user.secondName);
+    }
+
+    @Override
+    public int hashCode() {
+        int result = id != null ? id.hashCode() : 0;
+        result = 31 * result + (firstName != null ? firstName.hashCode() : 0);
+        result = 31 * result + (secondName != null ? secondName.hashCode() : 0);
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "User{" +
+               "id=" + id +
+               ", firstName='" + firstName + '\'' +
+               ", secondName='" + secondName + '\'' +
+               '}';
+    }
+}

spring-web-modules/spring-rest-http-3/src/main/java/com/baeldung/xml/controller/UserEchoController.java

@@ -0,0 +1,25 @@
+package com.baeldung.xml.controller;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/users")
+public class UserEchoController {
+    @ResponseStatus(HttpStatus.CREATED)
+    @PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public User echoJsonUser(@RequestBody User user) {
+        return user;
+    }
+
+    @ResponseStatus(HttpStatus.CREATED)
+    @PostMapping(consumes = MediaType.APPLICATION_XML_VALUE, produces = MediaType.APPLICATION_XML_VALUE)
+    public User echoXmlUser(@RequestBody User user) {
+        return user;
+    }
+}

spring-web-modules/spring-rest-http-3/src/test/java/com/baeldung/xml/UserEchoControllerIntegrationTest.java

@@ -0,0 +1,71 @@
+package com.baeldung.xml;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.baeldung.xml.controller.User;
+import com.baeldung.xml.controller.UserEchoController;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+
+@WebMvcTest(UserEchoController.class)
+class UserEchoControllerIntegrationTest {
+
+    private static final String URI = "/users";
+    private static final User USER = new User(1L, "John", "Doe");
+    private static final ObjectMapper JSON_MAPPER = new ObjectMapper();
+    private static final XmlMapper XML_MAPPER = new XmlMapper();
+
+    @Autowired
+    private UserEchoController controller;
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    void whenContextStartBeansArePresent() {
+        assertThat(controller).isNotNull();
+        assertThat(mockMvc).isNotNull();
+    }
+
+    @Test
+    void givenEndpointWhenPostJsonUserReceiveCorrectResponse() throws Exception {
+        final String payload = JSON_MAPPER.writeValueAsString(USER);
+        MockHttpServletRequestBuilder builder =
+            MockMvcRequestBuilders.post(URI)
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(payload);
+
+        final MvcResult mvcResult = this.mockMvc.perform(builder)
+            .andExpect(MockMvcResultMatchers.status()
+                .isCreated()).andReturn();
+        final User actual
+            = JSON_MAPPER.readValue(mvcResult.getResponse().getContentAsString(), User.class);
+        assertThat(actual).isEqualTo(USER);
+    }
+    @Test
+    void givenEndpointWhenPostXmlUserReceiveCorrectResponse() throws Exception {
+        final String payload = XML_MAPPER.writeValueAsString(USER);
+        MockHttpServletRequestBuilder builder =
+            MockMvcRequestBuilders.post(URI)
+                .contentType(MediaType.APPLICATION_XML)
+                .accept(MediaType.APPLICATION_XML)
+                .content(payload);
+
+        final MvcResult mvcResult = this.mockMvc.perform(builder)
+            .andExpect(MockMvcResultMatchers.status()
+                .isCreated()).andReturn();
+        final User actual
+            = XML_MAPPER.readValue(mvcResult.getResponse().getContentAsString(), User.class);
+        assertThat(actual).isEqualTo(USER);
+    }
+
+}