[Firebase Cloud Firestore] 스프링 파이어베이스 데이터 베이스 연동 예제

1. 파이어베이스 데이터 베이스 생성

 

2. 접속 KEY생성

키 JSON파일 다운로드

3.자바 소스 작성

 -pom.xml dependencies 추가

<dependency>             <groupId>com.google.firebase</groupId>             <artifactId>firebase-admin</artifactId>             <version>6.12.1</version> </dependency>

-Key json파일 패키지에 이동

-BtsFireBase.java

package egovframework.com.firebase;   import java.io.File; import java.io.FileInputStream;   import com.google.api.core.ApiFuture; import com.google.auth.oauth2.GoogleCredentials; import com.google.cloud.firestore.DocumentReference; import com.google.cloud.firestore.DocumentSnapshot; import com.google.cloud.firestore.Firestore; import com.google.cloud.firestore.WriteResult; import com.google.firebase.FirebaseApp; import com.google.firebase.FirebaseOptions; import com.google.firebase.cloud.FirestoreClient;   public class BtsFireBase {       public static void main(String[] args) {         // TODO Auto-generated method stub         initialize();           try {             //삽입              //BtsVideoVO btsVideoVO = new BtsVideoVO();             //btsVideoVO.setAge(1);             //btsVideoVO.setId("test");             //btsVideoVO.setName("testName");             //btsVideoVO.setTel("010-1234-1234");             //insertMember(btsVideoVO);                          //호출             getMemberDetail("test");         } catch (Exception e) {             // TODO Auto-generated catch block             e.printStackTrace();         }       }         public static void initialize() {         try {             String path = BtsFireBase.class.getResource("").getPath();               FileInputStream serviceAccount = new FileInputStream(path+"serviceAccountKey.json");             FirebaseOptions options = new FirebaseOptions.Builder()                                             .setCredentials(GoogleCredentials.fromStream(serviceAccount))                                             .setDatabaseUrl("FireBase Console에 사용자 계정에서 가린 DataBase URL삽입")                                             .build();             FirebaseApp.initializeApp(options);             System.out.println("성공");               } catch (Exception e) {                   e.printStackTrace();               }       }       public static final String COLLECTION_NAME="member";       public static String insertMember(BtsVideoVO member) throws Exception {              Firestore firestore = FirestoreClient.getFirestore();              ApiFuture<WriteResult> apiFuture = firestore.collection(COLLECTION_NAME).document(member.getId()).set(member);              return apiFuture.get().getUpdateTime().toString();       }       public static void getMemberDetail(String id) throws Exception {           Firestore firestore = FirestoreClient.getFirestore();         DocumentReference documentReference = firestore.collection(COLLECTION_NAME).document(id);         ApiFuture<DocumentSnapshot> apiFuture = documentReference.get();         DocumentSnapshot documentSnapshot = apiFuture.get();         //System.out.println(documentSnapshot.toString());           BtsVideoVO member = null;           if(documentSnapshot.exists()) {                   member = documentSnapshot.toObject(BtsVideoVO.class);                 System.out.println(member.toString());           } else {             }    }   }

-BtsVideoVO.java

package egovframework.com.firebase;   public class BtsVideoVO {     String id;     String name;     int age;     String tel;       @Override     public String toString() {         return "BtsVideoVO [id=" + id + ", name=" + name + ", age=" + age + ", tel=" + tel + "]";     }     public String getId() {         return id;     }     public void setId(String id) {         this.id = id;     }     public String getName() {         return name;     }     public void setName(String name) {         this.name = name;     }     public int getAge() {         return age;     }     public void setAge(int age) {         this.age = age;     }     public String getTel() {         return tel;     }     public void setTel(String tel) {         this.tel = tel;     }   }

 

4. 테스트 결과