Modify Json View

Author: Doha2012

jackson/src/test/java/org/baeldung/jackson/jsonview/Application.java

@@ -10,16 +10,16 @@ public class Item {
     public String itemName;
 
     @JsonView(Views.Internal.class)
-    public User owner;
+    public String ownerName;
 
     public Item() {
         super();
     }
 
-    public Item(final int id, final String itemName, final User owner) {
+    public Item(final int id, final String itemName, final String ownerName) {
         this.id = id;
         this.itemName = itemName;
-        this.owner = owner;
+        this.ownerName = ownerName;
     }
 
     public int getId() {
@@ -30,7 +30,7 @@ public String getItemName() {
         return itemName;
     }
 
-    public User getOwner() {
-        return owner;
+    public String getOwnerName() {
+        return ownerName;
     }
 }

jackson/src/test/java/org/baeldung/jackson/jsonview/Item.java

@@ -3,7 +3,6 @@
 import com.fasterxml.jackson.annotation.JsonView;
 
 public class User {
-    @JsonView(Views.Public.class)
     public int id;
 
     @JsonView(Views.Public.class)

jackson/src/test/java/org/baeldung/jackson/jsonview/ItemManager.java

@@ -14,6 +14,7 @@
 import org.junit.Test;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.MapperFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ser.BeanSerializerFactory;
 import com.fasterxml.jackson.databind.ser.SerializerFactory;
@@ -25,16 +26,17 @@ public void whenUseJsonViewToSerialize_thenCorrect() throws JsonProcessingExcept
         final User user = new User(1, "John");
 
         final ObjectMapper mapper = new ObjectMapper();
+        mapper.disable(MapperFeature.DEFAULT_VIEW_INCLUSION);
+
         final String result = mapper.writerWithView(Views.Public.class).writeValueAsString(user);
 
         assertThat(result, containsString("John"));
-        assertThat(result, containsString("1"));
+        assertThat(result, not(containsString("1")));
     }
 
     @Test
     public void whenUsePublicView_thenOnlyPublicSerialized() throws JsonProcessingException {
-        final User owner = new User(1, "John");
-        final Item item = new Item(2, "book", owner);
+        final Item item = new Item(2, "book", "John");
 
         final ObjectMapper mapper = new ObjectMapper();
         final String result = mapper.writerWithView(Views.Public.class).writeValueAsString(item);
@@ -43,13 +45,11 @@ public void whenUsePublicView_thenOnlyPublicSerialized() throws JsonProcessingEx
         assertThat(result, containsString("2"));
 
         assertThat(result, not(containsString("John")));
-        assertThat(result, not(containsString("1")));
     }
 
     @Test
     public void whenUseInternalView_thenAllSerialized() throws JsonProcessingException {
-        final User owner = new User(1, "John");
-        final Item item = new Item(2, "book", owner);
+        final Item item = new Item(2, "book", "John");
 
         final ObjectMapper mapper = new ObjectMapper();
         final String result = mapper.writerWithView(Views.Internal.class).writeValueAsString(item);
@@ -58,7 +58,6 @@ public void whenUseInternalView_thenAllSerialized() throws JsonProcessingExcepti
         assertThat(result, containsString("2"));
 
         assertThat(result, containsString("John"));
-        assertThat(result, containsString("1"));
     }
 
     @Test
@@ -84,4 +83,4 @@ public void whenUseCustomJsonViewToSerialize_thenCorrect() throws JsonProcessing
         assertThat(result, containsString("JOHN"));
         assertThat(result, containsString("1"));
     }
-}
+}

jackson/src/test/java/org/baeldung/jackson/jsonview/User.java

@@ -1,22 +1,25 @@
-package org.baeldung.jackson.jsonview;
+package org.baeldung.web.controller;
 
+import org.baeldung.web.dto.Item;
+import org.baeldung.web.dto.ItemManager;
+import org.baeldung.web.dto.Views;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.fasterxml.jackson.annotation.JsonView;
 
 @RestController
-public class UserController {
+public class ItemController {
 
     @JsonView(Views.Public.class)
-    @RequestMapping("/{id}")
+    @RequestMapping("/items/{id}")
     public Item getItemPublic(@PathVariable final int id) {
         return ItemManager.getById(id);
     }
 
     @JsonView(Views.Internal.class)
-    @RequestMapping("/internal/{id}")
+    @RequestMapping("/items/internal/{id}")
     public Item getItemInternal(@PathVariable final int id) {
         return ItemManager.getById(id);
     }

jackson/src/test/java/org/baeldung/jackson/test/JacksonJsonViewTest.java

@@ -0,0 +1,36 @@
+package org.baeldung.web.dto;
+
+import com.fasterxml.jackson.annotation.JsonView;
+
+public class Item {
+    @JsonView(Views.Public.class)
+    public int id;
+
+    @JsonView(Views.Public.class)
+    public String itemName;
+
+    @JsonView(Views.Internal.class)
+    public String ownerName;
+
+    public Item() {
+        super();
+    }
+
+    public Item(final int id, final String itemName, final String ownerName) {
+        this.id = id;
+        this.itemName = itemName;
+        this.ownerName = ownerName;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public String getItemName() {
+        return itemName;
+    }
+
+    public String getOwnerName() {
+        return ownerName;
+    }
+}

…ung/jackson/jsonview/UserController.java …ldung/web/controller/ItemController.javajackson/src/test/java/org/baeldung/jackson/jsonview/UserController.java renamed to spring-rest/src/main/java/org/baeldung/web/controller/ItemController.java jackson/src/test/java/org/baeldung/jackson/jsonview/UserController.java renamed to spring-rest/src/main/java/org/baeldung/web/controller/ItemController.java

@@ -0,0 +1,9 @@
+package org.baeldung.web.dto;
+
+public class ItemManager {
+
+    public static Item getById(final int id) {
+        final Item item = new Item(2, "book", "John");
+        return item;
+    }
+}

spring-rest/src/main/java/org/baeldung/web/dto/Item.java

@@ -0,0 +1,9 @@
+package org.baeldung.web.dto;
+
+public class Views {
+    public static class Public {
+    }
+
+    public static class Internal extends Public {
+    }
+}