Method get_string_field_opt

bindings/java/src/main/rust/lib.rs:40–47

(&mut self, cfg: &JObject, name: &str)

    }

    fn get_string_field_opt(&mut self, cfg: &JObject, name: &str) -> JNIResult<Option<String>> {
        let value = self.get_field(cfg, name, "Ljava/lang/String;")?.l()?;
        if value.is_null() {
            Ok(None)
        } else {
            Ok(Some(self.get_string(&JString::from(value))?.into()))
        }
    }
}

enum Error<E> {