renames

src/main/java/com/example/template/util/FileReadWrite.java

@@ -0,0 +1,44 @@
+package com.example.template.util;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.file.Files;
+
+public class FileReadWrite {
+
+    /**
+     * Writes text to file, throws runtime exception if something goes wrong
+     * @param file
+     * @param text
+     */
+    public static void write(File file, String text) {
+        try{
+            file.getParentFile().mkdirs();
+            FileOutputStream outputStream = new FileOutputStream(file);
+            byte[] strToBytes = text.getBytes();
+            outputStream.write(strToBytes);
+            outputStream.close();
+        }
+        catch (Exception e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * Tries to read file, creates empty file if it does not exist and returns empty string
+     * @param file
+     * @return
+     */
+    public static String read(File file) {
+        try{
+            return new String(Files.readAllBytes(file.toPath()));
+        }
+        catch(IOException e)
+        {
+            write(file,"");
+            return read(file);
+        }
+    }
+}