Add response content negotiation with [Writes] and ConnegMode#2437
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jeremydmiller merged 1 commit intomainfrom Apr 4, 2026
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Add response content negotiation with [Writes] and ConnegMode#2437jeremydmiller merged 1 commit intomainfrom
jeremydmiller merged 1 commit intomainfrom
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Implements response-side content negotiation where methods decorated with
[Writes("content-type")] are discovered on handler types and code-generated
as Accept header-based dispatch. Supports multiple content type writers per
endpoint, Loose mode (JSON fallback, default) and Strict mode (406 Not
Acceptable), and a [StrictConneg] ModifyHttpChainAttribute.
- [Writes] attribute to mark methods as content type writers
- [Reads] attribute placeholder for future request body negotiation
- ConnegMode enum (Loose/Strict) on HttpChain
- [StrictConneg] attribute for per-endpoint strict mode
- ContentNegotiationWriterPolicy as IResourceWriterPolicy
- Code-generated Accept header branching (zero runtime reflection)
- 7 integration tests via Alba
- Documentation page with usage guide
Closes #2406
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
[Writes("content-type")]attribute for marking methods as content type-specific response writersContentNegotiationWriterPolicy(IResourceWriterPolicy) discovers[Writes]methods and generates Accept header-based dispatch codeConnegModeenum:Loose(default, JSON fallback) vsStrict(406 Not Acceptable)[StrictConneg]ModifyHttpChainAttribute for per-endpoint strict modeConnegModeproperty onHttpChainfor programmatic configuration[Reads("content-type")]attribute placeholder for future request body negotiationCloses #2406
Test plan
dotnet test src/Http/Wolverine.Http.Tests/ --framework net9.0 --filter ContentNegotiationTests(7/7 pass)🤖 Generated with Claude Code