protected void initialiseMetamodel() {
moduleGraph.visit(
new ModuleGraph.Visitor() {
@Override
public void visit(Module module) {
registerInMetamodel(module);
}
});
}
public void cleanup() {
if (moduleClassLoader != delegateClassLoader && moduleClassLoader instanceof URLClassLoader) {
try {
((URLClassLoader) moduleClassLoader).close();
} catch (IOException e) {
// ignore
e.printStackTrace();
}
}
moduleGraph.clear();
moduleClassLoader = null;
}
void loadModule(
String name,
String version,
boolean optional,
boolean inCurrentClassLoader,
ModuleGraph.Module dependent)
throws IOException {
ArtifactContext artifactContext =
new ArtifactContext(name, version, ArtifactContext.CAR, ArtifactContext.JAR);
Overrides overrides = repositoryManager.getOverrides();
if (overrides != null) {
if (overrides.isRemoved(artifactContext)) return;
ArtifactContext replacement = overrides.replace(artifactContext);
if (replacement != null) {
artifactContext = replacement;
name = replacement.getName();
version = replacement.getVersion();
}
if (overrides.isVersionOverridden(artifactContext)) {
version = overrides.getVersionOverride(artifactContext);
artifactContext.setVersion(version);
}
}
// skip JDK modules
if (JDKUtils.isJDKModule(name) || JDKUtils.isOracleJDKModule(name)) return;
ModuleGraph.Module loadedModule = moduleGraph.findModule(name);
if (loadedModule != null) {
String loadedVersion = loadedModule.version;
// we loaded the module already, but did we load it with the same version?
if (!Objects.equals(version, loadedVersion)) {
if (MavenVersionComparator.compareVersions(version, loadedModule.version) > 0) {
// we want a newer version, keep going
if (verbose) log("Replacing " + loadedModule + " with newer version " + version);
} else {
// we want an older version, just keep the one we have and ignore that
addDependency(dependent, loadedModule);
// already resolved and same version, we're good
return;
}
} else if (loadedModule.artifact == null) {
// now we're sure the version was the same
// it was resolved to null so it was optional, but perhaps it's required now?
if (!optional) {
throw new ModuleNotFoundException(
"Could not find module: " + ModuleUtil.makeModuleName(name, version));
}
addDependency(dependent, loadedModule);
// already resolved and same version, we're good
return;
} else {
addDependency(dependent, loadedModule);
// already resolved and same version, we're good
return;
}
}
if (verbose) log("Resolving " + name + "/" + version);
ArtifactResult result = repositoryManager.getArtifactResult(artifactContext);
if (!optional
&& (result == null || result.artifact() == null || !result.artifact().exists())) {
throw new ModuleNotFoundException(
"Could not find module: " + ModuleUtil.makeModuleName(name, version));
}
// save even missing optional modules as nulls to not re-resolve them
ModuleGraph.Module mod;
if (dependent == null) mod = moduleGraph.addRoot(name, version);
else mod = dependent.addDependency(name, version);
if (loadedModule != null) loadedModule.replace(mod);
mod.artifact = result;
if (result != null) {
// everything we know should be in the current class loader
// plus everything from flat repositories
if (inCurrentClassLoader || result.repository() instanceof FlatRepository) {
mod.inCurrentClassLoader = true;
}
for (ArtifactResult dep : result.dependencies()) {
// stop if we get removed at any point
if (mod.replaced) break;
loadModule(
dep.name(),
dep.version(),
dep.importType() == ImportType.OPTIONAL,
inCurrentClassLoader,
mod);
}
}
}
private void addDependency(Module from, Module to) {
if (from != null) from.addDependency(to);
else moduleGraph.addRoot(to);
}
