JAVA-11765: Dissolve spring-boot-rest-2 and distribute its articles (#12195)

* JAVA-11765: Dissolve spring-boot-rest-2 and distribute its articles
spring-boot-modules

* JAVA-11765: removed module from main pom

spring-web-modules/spring-rest-http-2/src/test/java/com/baeldung/unsupportedmediatype/ApplicationUnitTest.java

@@ -0,0 +1,58 @@
+package com.baeldung.unsupportedmediatype;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+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.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@WebMvcTest(UserController.class)
+public class ApplicationUnitTest {
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void JsonTestCase() throws Exception {
+        mockMvc.perform(MockMvcRequestBuilders.post("/user/")
+          .contentType(MediaType.APPLICATION_JSON_VALUE)
+          .content(  "{\n"
+          + "    \"name\": \"Andy\",\n"
+          + "    \"age\": 1,\n"
+          + "    \"address\": \"Hello world\"\n"
+          + "}"))
+          .andExpect(status().isOk());
+    }
+
+    @Test
+    public void JsonFailTestCase() throws Exception {// Because no content-type added
+        mockMvc.perform(MockMvcRequestBuilders.post("/user/")
+          .content(  "{\n"
+          + "    \"name\": \"Andy\",\n"
+          + "    \"age\": 1,\n"
+          + "    \"address\": \"Hello world\"\n"
+          + "}"))
+          .andExpect(status().isUnsupportedMediaType());
+    }
+
+    @Test
+    public void XmlTestCase() throws Exception {
+        mockMvc.perform(MockMvcRequestBuilders.post("/user/")
+          .contentType(MediaType.APPLICATION_XML_VALUE)
+          .content("<user><name>Andy</name><age>1</age><address>Hello world</address></user>"))
+          .andExpect(status().isOk());
+    }
+
+    @Test
+    public void StringFailTestCase() throws Exception { // Because content-type is not supported
+        mockMvc.perform(MockMvcRequestBuilders.post("/user/")
+          .contentType(MediaType.TEXT_PLAIN_VALUE)
+          .content("<user><name>Andy</name><age>1</age><address>Hello world</address></user>"))
+          .andExpect(status().isUnsupportedMediaType());
+    }
+}

spring-web-modules/spring-rest-http-2/src/test/resources/application.properties

@@ -1 +1,2 @@
-spring.mvc.async.request-timeout=750
+spring.mvc.async.request-timeout=750
+spring.main.allow-bean-definition-overriding=true