Add rename service

aws-modules/aws-s3/src/main/java/com/baeldung/s3/RenameObjectService.java

@@ -0,0 +1,79 @@
+package com.baeldung.s3;
+
+import java.util.List;
+
+import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.CopyObjectRequest;
+import software.amazon.awssdk.services.s3.model.DeleteObjectRequest;
+import software.amazon.awssdk.services.s3.model.ListObjectsV2Request;
+import software.amazon.awssdk.services.s3.model.ListObjectsV2Response;
+import software.amazon.awssdk.services.s3.model.S3Object;
+
+public class RenameObjectService {
+
+    private S3Client s3Client;
+
+    public RenameObjectService(S3Client s3Client) {
+        this.s3Client = s3Client;
+    }
+
+    public RenameObjectService() {
+        init();
+    }
+
+    public void init() {
+        this.s3Client = S3Client.builder()
+          .region(Region.US_EAST_1)
+          .credentialsProvider(ProfileCredentialsProvider.create("default"))
+          .build();
+    }
+
+    public void renameFile(String bucketName, String keyName, String destinationKeyName) {
+        CopyObjectRequest copyObjRequest = CopyObjectRequest.builder()
+          .sourceBucket(bucketName)
+          .sourceKey(keyName)
+          .destinationBucket(destinationKeyName)
+          .destinationKey(bucketName)
+          .build();
+        s3Client.copyObject(copyObjRequest);
+        DeleteObjectRequest deleteRequest = DeleteObjectRequest.builder()
+          .bucket(bucketName)
+          .key(keyName)
+          .build();
+        s3Client.deleteObject(deleteRequest);
+    }
+
+    public void renameFolder(String bucketName, String sourceFolderKey, String destinationFolderKey) {
+        ListObjectsV2Request listRequest = ListObjectsV2Request.builder()
+          .bucket(bucketName)
+          .prefix(sourceFolderKey)
+          .build();
+
+        ListObjectsV2Response listResponse = s3Client.listObjectsV2(listRequest);
+        List<S3Object> objects = listResponse.contents();
+
+        for (S3Object s3Object : objects) {
+            String newKey = destinationFolderKey + s3Object.key()
+              .substring(sourceFolderKey.length());
+
+            // Copy object to destination folder
+            CopyObjectRequest copyRequest = CopyObjectRequest.builder()
+              .sourceBucket(bucketName)
+              .sourceKey(s3Object.key())
+              .destinationBucket(bucketName)
+              .destinationKey(newKey)
+              .build();
+            s3Client.copyObject(copyRequest);
+
+            // Delete object from source folder
+            DeleteObjectRequest deleteRequest = DeleteObjectRequest.builder()
+              .bucket(bucketName)
+              .key(s3Object.key())
+              .build();
+            s3Client.deleteObject(deleteRequest);
+        }
+    }
+
+}