diff --git a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
index d69d9972..f620f239 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
@@ -23,6 +23,9 @@ public interface FileManager {
     File createFile(String fileName);
     void removeFile(String fileName);
 
+    File getFile(String fileName);
+    File getFile(Path path);
+
     boolean isExist(Path path);
     boolean isExist(String fileName);
 
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 73a126ec..7a25adef 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
@@ -137,6 +137,18 @@ public class FileManagerImpl implements FileManager {
         currentDir.resolve(fileName).toFile().delete(); // TODO-rca: エラーハンドリング
     }
 
+    @Override
+    public File getFile(String fileName) {
+        logger.debug("getFile", "called");
+        return currentDir.resolve(fileName).toFile();
+    }
+
+    @Override
+    public File getFile(Path path) {
+        logger.debug("getFile", "called");
+        return path.toFile();
+    }
+
     @Override
     public boolean isExist(Path path) {
         logger.debug("isExist", "called");