https://jira.baeldung.com/browse/BAEL-9712

spring-web-modules/spring-mvc-basics-2/pom.xml

@@ -116,6 +116,10 @@
             <artifactId>json</artifactId>
             <version>${json.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

spring-web-modules/spring-mvc-basics-2/src/main/java/com/baeldung/spring/enums/EnumController.java → spring-web-modules/spring-mvc-basics-2/src/main/java/com/baeldung/spring/enums/controller/EnumController.java

@@ -1,11 +1,14 @@
-package com.baeldung.spring.enums;
+package com.baeldung.spring.enums.controller;
 
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+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.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.baeldung.spring.enums.entity.ModeEntity;
 import com.baeldung.spring.model.Modes;
 
 @RestController
@@ -21,4 +24,10 @@ public String getStringToMode(@RequestParam("mode") Modes mode) {
     public String findByEnum(@PathVariable Modes mode) {
         return "good";
     }
+
+    @PostMapping("/create-modes")
+    public String create(@RequestBody ModeEntity entity) {
+        return "created";
+    }
+
 }

spring-web-modules/spring-mvc-basics-2/src/main/java/com/baeldung/spring/enums/entity/ModeEntity.java

@@ -0,0 +1,36 @@
+package com.baeldung.spring.enums.entity;
+
+import com.baeldung.spring.model.Modes;
+
+public class ModeEntity {
+
+    private Long id;
+
+    private String name;
+
+    private Modes mode;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Modes getMode() {
+        return mode;
+    }
+
+    public void setMode(Modes mode) {
+        this.mode = mode;
+    }
+}

spring-web-modules/spring-mvc-basics-2/src/main/java/com/baeldung/spring/model/Modes.java

@@ -1,5 +1,35 @@
 package com.baeldung.spring.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+
 public enum Modes {
-    ALPHA, BETA;
+    ALPHA("A"),
+    BETA("B");
+
+    private final String text;
+
+    Modes(String text) {
+        this.text = text;
+    }
+
+    public String getText() {
+        return this.text;
+    }
+
+    @JsonCreator
+    public static Modes fromText(String text) {
+        for (Modes modes : Modes.values()) {
+            if (modes.getText()
+                .equals(text)) {
+                return modes;
+            }
+        }
+        throw new IllegalArgumentException("Unknown mode value: " + text);
+    }
+
+    @Override
+    public String toString() {
+        return text;
+    }
+
 }

spring-web-modules/spring-mvc-basics-2/src/main/resources/application.properties

@@ -30,3 +30,5 @@ attachment.invoice=path_to_file
 spring.mail.templates.path=mail-templates
 #spring.mail.templates.path=/path/to/templates
 
+
+

spring-web-modules/spring-mvc-basics-2/src/test/java/com/baeldung/spring/enums/entity/ModeDeserializationUnitTest.java

@@ -0,0 +1,19 @@
+package com.baeldung.spring.enums.entity;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+import com.baeldung.spring.model.Modes;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+class ModeDeserializationUnitTest {
+
+
+    private final ObjectMapper objectMapper = new ObjectMapper();
+
+    @Test
+    void whenJsonContainsA_thenDeserializesToAlpha() throws Exception {
+        ModeEntity entity = objectMapper.readValue("{\"mode\": \"A\"}", ModeEntity.class);
+
+        assertEquals(Modes.ALPHA, entity.getMode());
+    }
+}