private static AbstractConfigValue findKey(
AbstractConfigObject self, String key, ConfigValueType expected, Path originalPath) {
AbstractConfigValue v = self.peekAssumingResolved(key, originalPath);
if (v == null) throw new ConfigException.Missing(originalPath.render());
if (expected != null) v = DefaultTransformer.transform(v, expected);
if (v.valueType() == ConfigValueType.NULL)
throw new ConfigException.Null(
v.origin(), originalPath.render(), expected != null ? expected.name() : null);
else if (expected != null && v.valueType() != expected)
throw new ConfigException.WrongType(
v.origin(), originalPath.render(), expected.name(), v.valueType().name());
else return v;
}
@SuppressWarnings("unchecked")
private <T> List<T> getHomogeneousUnwrappedList(String path, ConfigValueType expected) {
List<T> l = new ArrayList<T>();
List<? extends ConfigValue> list = getList(path);
for (ConfigValue cv : list) {
// variance would be nice, but stupid cast will do
AbstractConfigValue v = (AbstractConfigValue) cv;
if (expected != null) {
v = DefaultTransformer.transform(v, expected);
}
if (v.valueType() != expected)
throw new ConfigException.WrongType(
v.origin(), path, "list of " + expected.name(), "list of " + v.valueType().name());
l.add((T) v.unwrapped());
}
return l;
}