Cache Basic auth header on Realm#2267
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Cache the generated HTTP Basic authorization header on immutable Realm instances so repeated preemptive and proxy Basic auth requests can reuse the same header string. This avoids rebuilding credentials and Base64 output on every dispatch. Add a regression test that verifies repeated per-request Basic auth header generation returns the cached value. Codex on behalf of Pavel Ptashyts Co-Authored-By: Codex <codex@openai.com>
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Document the lazy cache semantics of Realm.getBasicAuthHeader(), including its intentional public API status and benign duplicate computation during concurrent first access. Extend the regression test to verify that request and proxy authentication reuse the same cached header instance. Codex on behalf of Pavel Ptashyts Co-Authored-By: Codex <codex@openai.com>
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Summary
RealminstancesRealm.getBasicAuthHeader()as an intentional public API introduced in 3.0.12StringinstanceAPI note
The accessor is public because
Realmand the Netty authentication utilities are in different packages. It exposes only the immutable derived header value and avoids adding mutable cache management to the public surface.Validation
./mvnw -pl client -Dtest='org.asynchttpclient.util.AuthenticatorUtilsTest,org.asynchttpclient.RealmTest' test(44 tests)Attribution
Codex on behalf of Pavel Ptashyts