private void loadConcreteTypeMap() throws IOException {
if (baseTypeArrayFile != null) {
JsonReader reader = new JsonReader(new InputStreamReader(new FileInputStream(
baseTypeArrayFile), UTF8));
reader.setLenient(true);
reader.beginArray();
while (reader.hasNext()) {
baseTypes.add(reader.nextString());
}
reader.endArray();
reader.close();