From 630e76198eee56ffdb664fc72ca903ef2bca14d8 Mon Sep 17 00:00:00 2001
From: Ilya <admin@redguy.ru>
Date: Fri, 16 Oct 2020 10:11:57 +0300
Subject: [PATCH] Start creating FileSystem class

---
 .../ru/redguy/tftpserver/IDataSource.java     |  5 +++
 .../tftpserver/datasource/FileSystem.java     | 31 +++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 src/main/java/ru/redguy/tftpserver/IDataSource.java
 create mode 100644 src/main/java/ru/redguy/tftpserver/datasource/FileSystem.java

diff --git a/src/main/java/ru/redguy/tftpserver/IDataSource.java b/src/main/java/ru/redguy/tftpserver/IDataSource.java
new file mode 100644
index 0000000..e711ac1
--- /dev/null
+++ b/src/main/java/ru/redguy/tftpserver/IDataSource.java
@@ -0,0 +1,5 @@
+package ru.redguy.tftpserver;
+
+public interface IDataSource {
+    public boolean isFileExists(String localPath);
+}
diff --git a/src/main/java/ru/redguy/tftpserver/datasource/FileSystem.java b/src/main/java/ru/redguy/tftpserver/datasource/FileSystem.java
new file mode 100644
index 0000000..04d2d68
--- /dev/null
+++ b/src/main/java/ru/redguy/tftpserver/datasource/FileSystem.java
@@ -0,0 +1,31 @@
+package ru.redguy.tftpserver.datasource;
+
+import ru.redguy.tftpserver.IDataSource;
+
+import java.io.File;
+import java.nio.file.Path;
+
+public class FileSystem implements IDataSource {
+
+    String path;
+
+    public FileSystem(File file) {
+        path = file.getAbsolutePath()+"/";
+    }
+
+    public FileSystem(Path path) {
+        this.path = path.toAbsolutePath().toString()+"/";
+    }
+
+    public FileSystem(String path) {
+        this.path = path;
+        if(!this.path.endsWith("/")) {
+            this.path = this.path+"/";
+        }
+    }
+
+    @Override
+    public boolean isFileExists(String localPath) {
+        return new File(this.path,localPath).exists();
+    }
+}