private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
scriptRefQueue = new ReferenceQueue<Script>();
scripts = new ConcurrentHashMap<String, ScriptReference>();
final Map<String, CachedModuleScript> serScripts = (Map) in.readObject();
for (Map.Entry<String, CachedModuleScript> entry : serScripts.entrySet()) {
final CachedModuleScript cachedModuleScript = entry.getValue();
putLoadedModule(
entry.getKey(), cachedModuleScript.getModule(), cachedModuleScript.getValidator());
}
}
public ModuleScript getModuleScript(Context cx, String moduleId, URI moduleUri, Scriptable paths)
throws Exception {
final CachedModuleScript cachedModule1 = getLoadedModule(moduleId);
final Object validator1 = getValidator(cachedModule1);
final ModuleSource moduleSource =
(moduleUri == null)
? moduleSourceProvider.loadSource(moduleId, paths, validator1)
: moduleSourceProvider.loadSource(moduleUri, validator1);
if (moduleSource == ModuleSourceProvider.NOT_MODIFIED) {
return cachedModule1.getModule();
}
if (moduleSource == null) {
return null;
}
final Reader reader = moduleSource.getReader();
try {
final int idHash = moduleId.hashCode();
synchronized (loadLocks[(idHash >>> loadLockShift) & loadLockMask]) {
final CachedModuleScript cachedModule2 = getLoadedModule(moduleId);
if (cachedModule2 != null) {
if (!equal(validator1, getValidator(cachedModule2))) {
return cachedModule2.getModule();
}
}
final URI sourceUri = moduleSource.getUri();
final ModuleScript moduleScript =
new ModuleScript(
cx.compileReader(reader, sourceUri.toString(), 1, moduleSource.getSecurityDomain()),
sourceUri,
moduleSource.getBase());
putLoadedModule(moduleId, moduleScript, moduleSource.getValidator());
return moduleScript;
}
} finally {
reader.close();
}
}
private static Object getValidator(CachedModuleScript cachedModule) {
return cachedModule == null ? null : cachedModule.getValidator();
}
