feat: initial commit. some work have already been done tho.

src/main/java/ua/com/dxrkness/Main.java

@@ -0,0 +1,18 @@
+package ua.com.dxrkness;
+
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+
+        final var s3 = S3Client.builder()
+                .region(Region.EU_CENTRAL_1)
+                .build();
+        try (s3) {
+            s3.listBuckets().buckets().forEach(System.out::println);
+        }
+    }
+}

src/main/java/ua/com/dxrkness/S3Service.java

@@ -0,0 +1,41 @@
+package ua.com.dxrkness;
+
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.S3Object;
+
+import java.nio.file.Path;
+import java.util.List;
+
+public class S3Service {
+    private final S3Client client;
+    private final String bucketName;
+
+    public S3Service(S3Client client, String bucketName) {
+        this.client = client;
+        this.bucketName = bucketName;
+    }
+
+    public void createDirectory(Path path) {
+        throw new UnsupportedOperationException();
+    }
+
+    public Boolean delete(Path path) {
+        return client
+                .deleteObject(b -> b.bucket(bucketName).key(path.toString()).build())
+                .deleteMarker();
+    }
+
+    public List<S3Object> listing(Path path) {
+        return client
+                .listObjectsV2(b -> b.bucket(bucketName).build())
+                .contents();
+    }
+
+    public void uploadFile(Path path) {
+        throw new UnsupportedOperationException();
+    }
+
+    public String downloadFile(Path path) {
+        throw new UnsupportedOperationException();
+    }
+}