introduce hardlinker

src/main/java/tv/mangrana/worker/FileCopier.java

@@ -0,0 +1,24 @@
+package tv.mangrana.worker;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class FileCopier {
+
+    private void hardLink(Path source, Path destination) {
+        try {
+            Files.createLink(destination, source);
+        } catch (IOException e) {
+            System.out.printf("error when creating hardlink with destination %s, error: %s%n",
+                    destination, e.getMessage());
+            e.printStackTrace();
+        }
+    }
+}
+class ProjectPath {
+    static Path of(String path) {
+        String projectPath = System.getProperty("user.dir");
+        return Path.of(projectPath+path);
+    }
+}