file path store in DB and file is store in Directory or folder.

Author: mdtalalwasim

springboot-file-project-upload-file-directly-in-directory-folder/pom.xml

@@ -26,12 +26,7 @@
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-			<scope>runtime</scope>
-			<optional>true</optional>
-		</dependency>
+		
 		<dependency>
 			<groupId>com.mysql</groupId>
 			<artifactId>mysql-connector-j</artifactId>
@@ -47,6 +42,10 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+		</dependency>
 	</dependencies>
 
 	<build>

springboot-file-project-upload-file-directly-in-directory-folder/src/main/java/com/mdtalalwasim/fileproject2/controller/rest/FileDataRestController.java

@@ -0,0 +1,48 @@
+package com.mdtalalwasim.fileproject2.controller.rest;
+
+import java.io.IOException;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+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.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.mdtalalwasim.fileproject2.service.FileDataService;
+
+@RestController
+@RequestMapping("/api")
+public class FileDataRestController {
+	
+
+	
+	@Autowired
+	private FileDataService fileDataService;
+	
+	@PostMapping("/file-upload-to-directory")
+	public ResponseEntity<?> uploadImageToFileDirectory(@RequestParam("file") MultipartFile file) throws IOException{
+		String uploadFile = fileDataService.uploadFileToFileDirectory(file);
+		
+		return ResponseEntity.status(HttpStatus.OK).body(uploadFile);
+		
+		 
+	}
+	
+	@GetMapping("/file-download-from-directory/{fileName}")
+	public ResponseEntity<?> downloadImageFromFileDirectory(@PathVariable String fileName) throws IOException{
+		byte[] downloadFile = fileDataService.downloadFileFromFileDirectory(fileName);
+				
+		
+		
+		return ResponseEntity.status(HttpStatus.OK)
+				.contentType(MediaType.valueOf("image/png"))
+				.body(downloadFile);
+	}
+
+}

springboot-file-project-upload-file-directly-in-directory-folder/src/main/java/com/mdtalalwasim/fileproject2/entity/FileData.java

@@ -0,0 +1,33 @@
+package com.mdtalalwasim.fileproject2.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Table(name = "file_data")
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+
+@Builder
+public class FileData {
+	
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+	
+	private String name;
+	
+	private String type;
+	
+	private String filePath;
+	
+
+}

springboot-file-project-upload-file-directly-in-directory-folder/src/main/java/com/mdtalalwasim/fileproject2/repository/FileDataRepository.java

@@ -0,0 +1,16 @@
+package com.mdtalalwasim.fileproject2.repository;
+
+import java.util.Optional;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import com.mdtalalwasim.fileproject2.entity.FileData;
+//import com.mdtalalwasim.fileproject2.service.impl.FileDataServiceImpl;
+
+@Repository
+public interface FileDataRepository extends JpaRepository<FileData, Long>{
+
+	Optional<FileData> findByName(String fileName);
+
+}

springboot-file-project-upload-file-directly-in-directory-folder/src/main/java/com/mdtalalwasim/fileproject2/service/FileDataService.java

@@ -0,0 +1,13 @@
+package com.mdtalalwasim.fileproject2.service;
+
+import java.io.IOException;
+
+import org.springframework.web.multipart.MultipartFile;
+
+public interface FileDataService {
+
+	String uploadFileToFileDirectory(MultipartFile file) throws IOException;
+
+	byte[] downloadFileFromFileDirectory(String fileName) throws IOException;
+
+}

springboot-file-project-upload-file-directly-in-directory-folder/src/main/java/com/mdtalalwasim/fileproject2/service/impl/FileDataServiceImpl.java

@@ -0,0 +1,59 @@
+package com.mdtalalwasim.fileproject2.service.impl;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.mdtalalwasim.fileproject2.entity.FileData;
+import com.mdtalalwasim.fileproject2.repository.FileDataRepository;
+import com.mdtalalwasim.fileproject2.service.FileDataService;
+
+@Service
+public class FileDataServiceImpl implements FileDataService{
+	
+	@Autowired
+	private FileDataRepository fileDataRepository;
+	
+	//private final String FILE_PATH = "/home/wasim/git/springboot-file-project-upload-file-directly-in-directory-folder/springboot-file-project-upload-file-directly-in-directory-folder/uploads/";
+	private final String FILE_PATH = "/home/wasim/git/springboot-file-project-upload-file-directly-in-directory-folder/springboot-file-project-upload-file-directly-in-directory-folder/uploads/";
+
+	@Override
+	public String uploadFileToFileDirectory(MultipartFile file) throws IOException {
+		String filePath = FILE_PATH+file.getOriginalFilename();//absolute path
+		// TODO Auto-generated method stub
+		FileData fileData = fileDataRepository.save(FileData.builder()
+				.name(file.getOriginalFilename())
+				.type(file.getContentType())
+				.filePath(filePath).build());
+		
+		//copy your file into that particular path
+		file.transferTo(new java.io.File(filePath)); 
+		
+		if(fileData!= null) {
+				return "file uploaded successfully : "+file.getOriginalFilename()+ " and Files uploaded path is :"+filePath;
+		}
+		return null;
+	}
+
+	@Override
+	public byte[] downloadFileFromFileDirectory(String fileName) throws IOException {
+		// TODO Auto-generated method stub
+		
+		
+	Optional<FileData> fileDataObj = fileDataRepository.findByName(fileName);
+	
+	//first need to get the file path
+	String filePath = fileDataObj.get().getFilePath();
+	
+	//got the file, now decompress it.
+	byte[] imageFile = Files.readAllBytes(new java.io.File(filePath).toPath()); 
+	
+	return imageFile;
+		
+	}
+
+}

springboot-file-project-upload-file-directly-in-directory-folder/src/main/resources/application.properties

@@ -1 +1,15 @@
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.datasource.url=jdbc:mysql://localhost:3306/file-upload-springboot-2
+
+spring.datasource.username =wasim
+spring.datasource.password =Admin@1100
+spring.jpa.show-sql=true
+spring.jpa.hibernate.ddl-auto= update
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
+server.port=9595	
+
+
+
+
+