Java reading file including field timestamp

devsuperior · Dec 12, 2023 · c194333 · c194333
1 parent eb4f5d8
commit c194333
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Showing 4 changed files with 32 additions and 18 deletions.
diff --git a/java/course/pom.xml b/java/course/pom.xml
@@ -19,6 +19,11 @@
             <artifactId>jackson-databind</artifactId>
             <version>2.13.0</version> <!-- Verifique a versão mais recente no repositório Maven -->
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>2.13.0</version>
+        </dependency>
     </dependencies>
 
 </project>
diff --git a/java/course/src/main/java/com/example/devsuperior/course/Main.java b/java/course/src/main/java/com/example/devsuperior/course/Main.java
@@ -8,12 +8,16 @@
 import com.example.devsuperior.course.entities.Lesson;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 
 public class Main {
     public static void main(String[] args) {
 
         ObjectMapper objectMapper = new ObjectMapper();
 
+        // Registrar o módulo JavaTime para suporte a java.time.Instant
+        objectMapper.registerModule(new JavaTimeModule());
+
         try {
             File jsonFile = new File("/Users/alexandreoliveira/Documents/ws-projects/project-json/java/course/src/main/resources/file.json");
             List<Course> courses = objectMapper.readValue(jsonFile, new TypeReference<List<Course>>() {});
@@ -29,6 +33,7 @@ public static void main(String[] args) {
                     System.out.println("    id: " + lesson.getId());
                     System.out.println("    title: " + lesson.getTitle());
                     System.out.println("    media: " + lesson.getMedia());
+                    System.out.println("    timestamp: " + lesson.getTimestamp());
                 }
                 System.out.println();
             }

diff --git a/java/course/src/main/java/com/example/devsuperior/course/entities/Lesson.java b/java/course/src/main/java/com/example/devsuperior/course/entities/Lesson.java
@@ -7,17 +7,16 @@ public class Lesson {
     private Long id;
     private String title;
     private String media;
-    // private Instant timestamp;
+    private Instant timestamp;
 
     public Lesson() {
     }
 
-    // public Lesson(Long id, String title, String media, Instant timestamp) {
-    public Lesson(Long id, String title, String media) {
+    public Lesson(Long id, String title, String media, Instant timestamp) {
         this.id = id;
         this.title = title;
         this.media = media;
-        // this.timestamp = timestamp;
+        this.timestamp = timestamp;
     }
 
     public Long getId() {
@@ -44,17 +43,16 @@ public void setMedia(String media) {
         this.media = media;
     }
 
-    // public Instant getTimestamp() {
-    //     return timestamp;
-    // }
+    public Instant getTimestamp() {
+        return timestamp;
+    }
 
-    // public void setTimestamp(Instant timestamp) {
-    //     this.timestamp = timestamp;
-    // }
+    public void setTimestamp(Instant timestamp) {
+        this.timestamp = timestamp;
+    }
 
     @Override
     public String toString() {
-        // return "Lesson [id=" + id + ", title=" + title + ", media=" + media + ", timestamp=" + timestamp + "]";
-        return "Lesson [id=" + id + ", title=" + title + ", media=" + media + "]";
+        return "Lesson [id=" + id + ", title=" + title + ", media=" + media + ", timestamp=" + timestamp + "]";
     }
 }
diff --git a/java/course/src/main/resources/file.json b/java/course/src/main/resources/file.json
@@ -6,17 +6,20 @@
             {
                 "id": 54,
                 "title": "Como funciona o curso",
-                "media": "f60b0450-96d0-4244-8e4f-bde367b21bfc"
+                "media": "f60b0450-96d0-4244-8e4f-bde367b21bfc",
+                "timestamp": "2023-12-06T16:34:56Z"
             },
             {
                 "id": 74,
                 "title": "Orientações importantes",
-                "media": "sadf876f-8d7f-2864-d6f6-89sad7f7lads"
+                "media": "sadf876f-8d7f-2864-d6f6-89sad7f7lads",
+                "timestamp": "2023-12-02T17:45:00Z"
             },
             {
                 "id": 65,
                 "title": "O que você vai aprender",
-                "media": "lklk1213-92j3-9747-9o47-dkljjasd98ff"
+                "media": "lklk1213-92j3-9747-9o47-dkljjasd98ff",
+                "timestamp": "2023-12-08T09:20:00Z"
             }
         ]    
     },
@@ -27,17 +30,20 @@
             {
                 "id": 38,
                 "title": "Criando o projeto",
-                "media": "kjhfjh28-2864-2836-hf76-8d8f8dfhfdf"
+                "media": "kjhfjh28-2864-2836-hf76-8d8f8dfhfdf",
+                "timestamp": "2023-12-04T08:00:00Z"
             },
             {
                 "id": 149,
                 "title": "Implementando as funcionalidades",
-                "media": "djheruyr3-8fjy-8276-47kh-kdfhhfi273"
+                "media": "djheruyr3-8fjy-8276-47kh-kdfhhfi273",
+                "timestamp": "2023-12-09T08:25:30Z"
             },
             {
                 "id": 61,
                 "title": "Testando tudo",
-                "media": "kdjf9274df-43df-9874-df55-teowncr846"
+                "media": "kdjf9274df-43df-9874-df55-teowncr846",
+                "timestamp": "2023-12-10T10:35:00Z"
             }
         ]
     }