private void validateLog4jVersion()

in log4j-transform-maven-plugin/src/main/java/org/apache/logging/log4j/transform/maven/LocationMojo.java [191:209]


    private void validateLog4jVersion() throws MojoExecutionException {
        Artifact log4jApi = project.getArtifacts()
                .stream()
                .filter(a -> LOG4J_GROUP_ID.equals(a.getGroupId()) && LOG4J_API_ARTIFACT_ID.equals(a.getArtifactId()))
                .findAny()
                .orElseThrow(() -> new MojoExecutionException("Missing `log4j-api` dependency."));
        try {
            if (MIN_SUPPORTED_VERSION.compareTo(log4jApi.getSelectedVersion()) > 0) {
                throw new MojoExecutionException("Log4j2 API version " + MIN_SUPPORTED_VERSION
                        + " required. Selected version: " + log4jApi.getSelectedVersion());
            }
            // Transitive dependency
            if (!project.getDependencyArtifacts().contains(log4jApi)) {
                getLog().warn("Log4j2 API should not be a transitive dependency.");
            }
        } catch (OverConstrainedVersionException e) {
            throw new MojoExecutionException("Can not determine `log4j-api` version.", e);
        }
    }