in src/main/java/org/apache/maven/plugins/jlink/JLinkMojo.java [620:638]
private void requireJdk14() throws MojoFailureException {
// needs JDK 14+
Optional<Toolchain> optToolchain = getToolchain();
String java14reqMsg = "parameter 'addOptions' needs at least a Java 14 runtime or a Java 14 toolchain.";
if (optToolchain.isPresent()) {
Toolchain toolchain = optToolchain.orElseThrow(NoSuchElementException::new);
if (!(toolchain instanceof ToolchainPrivate)) {
getLog().warn("Unable to check toolchain java version.");
return;
}
ToolchainPrivate toolchainPrivate = (ToolchainPrivate) toolchain;
if (!toolchainPrivate.matchesRequirements(singletonMap("jdk", "14"))) {
throw new MojoFailureException(java14reqMsg);
}
} else if (!JavaVersion.JAVA_VERSION.isAtLeast("14")) {
throw new MojoFailureException(java14reqMsg);
}
}