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Add license-header check to the build (like PrimeFaces) #343
Description
Problem
There is no license-header check in the build. The MIT headers on source files are kept by convention only — nothing fails a build when a file ships without one (new source files, test fixtures, generated-tree stubs).
The only adjacent tooling today:
com.spotify.fmt:fmt-maven-plugin— google-java-format, formatting only, no headers.dependency-review.yml— audits dependency licenses on PRs, not source headers.
Proposal
Add a license-header check like PrimeFaces does it (pom.xml):
com.mycila:license-maven-plugin(PrimeFaces uses 5.1.2) with a singlecheckexecution.- Header text in
conf/header.txt(the existing MIT header every file already carries, minus per-file year/name where applicable). licenseSetincludes coveringsrc/main/java/**andsrc/test/java/**per module; exclusions for generated sources (example/generated-example-builder,target/**) and resource files that don't need headers.
With the plugin bound to the default lifecycle, mvn verify/license:check then fails CI on any missing header, and mvn license:format fixes headers mechanically.
Surfaced while reviewing #312 (MapStruct integration).
Activity
build: reuse LICENSE.txt as license header source (java-helpers#343)
build: normalize license headers on MapStruct SPI files (java-helpers…
igel-devin-ai commentedon Oct 11, 2026
Follow-up TODO from the license-header check introduced in #345:
src/main/java/**,src/test/java/**of every module) — done in build: add license-header check to the build (#343) #345 viamvn license:format: 38 files got the header added, 4 files with corrupted license text were normalized, 2 files carrying Apache-2.0 headers now have the project-wide MIT header, and the 9 files merged with feat: auto-detect generated builders in MapStruct via BuilderProvider SPI (#300) #312 were normalized to the canonical header.example/generated-example-builder/**, and inperformance-testthe generated DTO tree (src/main/java/.../performance_test/library/**) plus processor output (generated-performance-builder/**) are all excluded from the check.build: add license-header check to performance-test module (java-help…
ci: run license check on performance-test module in default pipeline (j…
build: use uniform 2025-2026 copyright range, drop redundant headerSe…
build: add license-header check to the build (#343) (#345)