Package com.example.blogs.app.storage

Class S3BucketServiceImpl

java.lang.Object

com.example.blogs.app.storage.S3BucketServiceImpl

All Implemented Interfaces:

S3BucketService

@Service
public class S3BucketServiceImpl
extends Object
implements S3BucketService

Implementation of S3 bucket operations using AWS SDK for file uploads.

Constructor Summary

Constructors

Constructor	Description
S3BucketServiceImpl(software.amazon.awssdk.services.s3.S3Client s3Client, String bucketName, S3KeyGenerator s3KeyGenerator)	Constructs S3 bucket service with configured client and bucket name.

Method Summary

Modifier and Type	Method	Description
void	delete(String filePath, String fileName, String extension)	Deletes a file from the S3 bucket by constructing its key and sending a delete request.
void	upload(String filePath, String fileName, String extension, String contentType, byte[] fileData)	Uploads a file to the S3 bucket with specified metadata.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

S3BucketServiceImpl

public S3BucketServiceImpl(software.amazon.awssdk.services.s3.S3Client s3Client,
 @Value("${aws.s3.bucketName}")
 String bucketName,
 S3KeyGenerator s3KeyGenerator)

Constructs S3 bucket service with configured client and bucket name.

Parameters:

s3Client - the configured S3 client

bucketName - the name of the S3 bucket to use

s3KeyGenerator - the S3 key generator for constructing object keys

Method Details

upload

public void upload(String filePath,
 String fileName,
 String extension,
 String contentType,
 byte[] fileData)

Uploads a file to the S3 bucket with specified metadata. Constructs the S3 key from path and filename, then uploads with content type.

Specified by:

upload in interface S3BucketService

Parameters:

filePath - the storage path within the bucket

fileName - the file name without extension

extension - the file extension including the dot (e.g., ".png")

contentType - the MIME type of the file

fileData - the file content as byte array

Throws:

FailedToStoreFileException - if the S3 upload operation fails

delete

public void delete(String filePath,
 String fileName,
 String extension)

Deletes a file from the S3 bucket by constructing its key and sending a delete request.

Specified by:

delete in interface S3BucketService

Parameters:

filePath - the storage path within the bucket

fileName - the file name without extension

extension - the file extension including the dot (e.g., ".png")

Throws:

FailedToDeleteFileException - if the S3 delete operation fails