From f411daceacad66e0bd774fda7d3c5ef8533cc55c Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Tue, 26 May 2026 20:04:02 +0900
Subject: refactor(io): share IOInterface via Rc<RefCell<dyn _>> handle

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 crates/shirabe/src/downloader/file_downloader.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'crates/shirabe/src/downloader/file_downloader.rs')

diff --git a/crates/shirabe/src/downloader/file_downloader.rs b/crates/shirabe/src/downloader/file_downloader.rs
index dc8c5a5..4f2ee63 100644
--- a/crates/shirabe/src/downloader/file_downloader.rs
+++ b/crates/shirabe/src/downloader/file_downloader.rs
@@ -25,6 +25,8 @@ use crate::downloader::TransportException;
 use crate::event_dispatcher::EventDispatcher;
 use crate::exception::IrrecoverableDownloadException;
 use crate::io::IOInterface;
+use crate::io::IOInterfaceImmutable;
+use crate::io::IOInterfaceMutable;
 use crate::io::NullIO;
 use crate::package::PackageInterface;
 use crate::package::comparer::Comparer;
@@ -55,7 +57,7 @@ pub static RESPONSE_HEADERS: LazyLock<Mutex<IndexMap<String, Vec<String>>>> =
 #[derive(Debug)]
 pub struct FileDownloader {
     /// @var IOInterface
-    pub(crate) io: Box<dyn IOInterface>,
+    pub(crate) io: std::rc::Rc<std::cell::RefCell<dyn IOInterface>>,
     /// @var Config
     pub(crate) config: std::rc::Rc<std::cell::RefCell<Config>>,
     /// @var HttpDownloader
@@ -92,7 +94,7 @@ impl FileDownloader {
 
     /// Constructor.
     pub fn new(
-        io: Box<dyn IOInterface>,
+        io: std::rc::Rc<std::cell::RefCell<dyn IOInterface>>,
         config: std::rc::Rc<std::cell::RefCell<Config>>,
         http_downloader: std::rc::Rc<std::cell::RefCell<HttpDownloader>>,
         event_dispatcher: Option<std::rc::Rc<std::cell::RefCell<EventDispatcher>>>,
@@ -102,7 +104,7 @@ impl FileDownloader {
     ) -> Self {
         let process = process.unwrap_or_else(|| {
             std::rc::Rc::new(std::cell::RefCell::new(ProcessExecutor::new(Some(
-                io.clone_box(),
+                io.clone(),
             ))))
         });
         let filesystem = filesystem.unwrap_or_else(|| {
-- 
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