From e3d682691299bd37e2629ce278bf45558f2ec617 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=82=8D=E3=82=80=E3=81=AD=E3=81=93?= <nem@nem.x0.to>
Date: Thu, 21 Dec 2023 14:59:12 +0900
Subject: [PATCH] =?UTF-8?q?Impl=E5=AE=9F=E8=A3=85=20WIP?=
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---
 .../source/file/impl/FileManagerImpl.java     | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
index 390b7975..43e19657 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
@@ -3,6 +3,7 @@ package one.nem.lacerta.source.file.impl;
 import android.graphics.Bitmap;
 
 import java.nio.file.Path;
+import java.util.Arrays;
 import java.util.List;
 
 import javax.inject.Inject;
@@ -19,7 +20,12 @@ public class FileManagerImpl implements FileManager {
 
     // Internal Methods
     private Path convertPath(String path) {
-        return null;
+        Path convertedPath = currentDir.resolve(path);
+        if (convertedPath.startsWith(rootDir)) { // 異常なパスの場合はnullを返す // TODO-rca: エラーハンドリング
+            return convertedPath;
+        } else {
+            return null;
+        }
     }
 
     @Inject
@@ -29,27 +35,28 @@ public class FileManagerImpl implements FileManager {
 
     @Override
     public Path getRootDir() {
-        return null;
+        return rootDir;
     }
 
     @Override
     public void changeDir(String dirName) {
-
+        this.currentDir = rootDir.resolve(dirName);
     }
 
     @Override
     public void backDir() {
-
+        this.currentDir = currentDir.getParent();
     }
 
     @Override
     public void backRootDir() {
-
+        this.currentDir = rootDir;
     }
 
     @Override
     public List<String> getDirList() {
-        return null;
+        // currentDirにあるディレクトリの一覧を返す
+        return Arrays.asList(currentDir.toFile().list());
     }
 
     @Override