Module spec 

Human-readable Java spec parsing and matching ("Eclipse Adoptium v^17.0.0 ax86_64"). Human-readable Java specification parsing and matching.

A spec string like "Eclipse Adoptium v^17.0.0 ax86_64" describes a desired Java installation by vendor, version constraint, and architecture.

Format: <vendor> v<constraint> a<arch>

Part	Example	Meaning
Vendor	Eclipse Adoptium	Fuzzy-matched against name / vendor
Constraint	^17.0.0	Compatible with 17.0.0 (semver caret)
Architecture	x86_64	Architecture substring match

Supported constraint operators:

• ^17.0.0 — compatible (≥17.0.0, <18.0.0)
• ~17.0.0 — approximately (≥17.0.0, <17.1.0)
• >=17.0.0, <=17.0.0, >17.0.0, <17.0.0
• 17.0.0 — exact (no prefix)

Structs

JavaSpec

A parsed Java installation query spec.

Enums

VersionReq

A version constraint with an operator and target version.