2025/04 API and DTO sync

[afranken]

Description

• API / DTO consistency check 2025/04
  • Check AWS API for changes
  • Update S3Mock API / DTOs
  • Add tests for changed API / DTOs

Related Issue

Fixes #2340

Tasks

• I have signed the CLA.
• I have written tests and verified that they fail without my change.

[Copilot]

Pull Request Overview

This PR brings API and DTO synchronizations to align S3Mock with updated AWS S3 APIs for 2025. Key changes include updating copyright notices to 2025, adding new header converters and beans (e.g. ChecksumModeHeaderConverter and RegionConverter), and extensive modifications to endpoint signatures and integration tests to support new checksum and conditional request functionalities.

Reviewed Changes

Copilot reviewed 155 out of 155 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
S3MockProperties.java	Updated copyright year and switched to using the local dto.Region.
S3MockConfiguration.java	Added new beans for ChecksumMode and Region conversion.
S3Exception.java	Updated error message wording for INVALID_PART and added a new static method for missing checksum errors.
ObjectController.java	Annotated endpoints with @S3Verified and updated header handling (including checksum and conditional request parameters).
MultipartController.java, BucketController.java	Updated parameter naming and added conditional request support; improved test annotations.
Integration Tests (Kotlin)	Refactored test method names and assertions to reflect new API behaviors.
pom.xml, CHANGELOG.md	Updated dependency versions and changelog to document API/DTO consistency changes.

Comments suppressed due to low confidence (2)

server/src/main/java/com/adobe/testing/s3mock/ObjectController.java:437

• Consider whether relying solely on 'if (mode == ChecksumMode.ENABLED)' is sufficient. If other valid checksum modes exist or if different behaviors are needed when disabled, document or adjust the handling accordingly.

.headers(h -> { if (mode == ChecksumMode.ENABLED) { h.setAll(checksumHeaderFrom(s3ObjectMetadata)); } })

integration-tests/src/test/kotlin/com/adobe/testing/s3mock/its/MultipartIT.kt:60

• The test class was renamed from 'MultiPartIT' to 'MultipartIT'; please ensure that all references and documentation reflect this consistent naming convention.

internal class MultipartIT : S3TestBase() {