[Arnab Nandy (arnabnandy7)]

Description

Adds support for configuring the Blob service endpoint separately from the Data Lake service endpoint through DataLakeServiceClientBuilder.blobEndpoint(String).

Previously, the Blob endpoint was always derived from the configured Data Lake endpoint by converting the .dfs. hostname segment to .blob.. This does not work when the two services are exposed through distinct custom or reverse-proxy hostnames.

The existing endpoint derivation remains the default when blobEndpoint(String) is not configured, preserving backward compatibility. The explicit Blob endpoint is also preserved regardless of whether it is configured before or after endpoint(String).

Fixes #49781

This change includes:

• The new DataLakeServiceClientBuilder.blobEndpoint(String) API.
• Separate synchronous and asynchronous endpoint tests.
• README documentation and a synchronized code sample.
• An entry in the unreleased CHANGELOG.

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[github-actions]

Thank you for your contribution Arnab Nandy (@arnabnandy7)! We will review the pull request and get back to you soon.

[azure-pipelines]

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[Copilot]

Pull request overview

Adds a new builder option to the Data Lake SDK to allow configuring a separate Blob service endpoint (useful for proxy/custom-host setups where DFS and Blob are exposed via different hostnames), while keeping the existing “derive blob endpoint from dfs endpoint” behavior as the default.

Changes:

• Added DataLakeServiceClientBuilder.blobEndpoint(String) to explicitly set the Blob service endpoint.
• Added unit tests to validate explicit endpoint behavior and ordering for sync/async client creation.
• Updated README, samples, and CHANGELOG to document and demonstrate the new configuration.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
sdk/storage/azure-storage-file-datalake/src/main/java/com/azure/storage/file/datalake/DataLakeServiceClientBuilder.java	Introduces blobEndpoint(String) and preserves explicit blob endpoint across endpoint(String) calls.
sdk/storage/azure-storage-file-datalake/src/test/java/com/azure/storage/file/datalake/UrlTests.java	Adds sync/async tests validating explicit Blob endpoint configuration and ordering.
sdk/storage/azure-storage-file-datalake/src/samples/java/com/azure/storage/file/datalake/ReadmeSamples.java	Adds a README-aligned sample showing separate DFS/Blob proxy endpoints.
sdk/storage/azure-storage-file-datalake/README.md	Documents how to configure separate DFS and Blob endpoints with a snippet.
sdk/storage/azure-storage-file-datalake/CHANGELOG.md	Adds an unreleased feature note for the new builder API.

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[Copilot]

Pull request overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

[Copilot]

Pull request overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated no new comments.

[github-actions]

Hi Arnab Nandy (@arnabnandy7). Thank you for your interest in helping to improve the Azure SDK experience and for your contribution. We've noticed that there hasn't been recent engagement on this pull request. If this is still an active work stream, please let us know by pushing some changes or leaving a comment. Otherwise, we'll close this out in 7 days.