Added function to create peer config file.

src/main/java/vslab1/src/FileReaderWriter/FileReaderWriter.java

@@ -1,5 +1,10 @@
 package vslab1.src.FileReaderWriter;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.*;
+
+import vslab1.src.Constants;
 import vslab1.src.Peers.EOnlineState;
 import vslab1.src.Peers.Peer;
 
@@ -12,6 +17,42 @@ public class FileReaderWriter {
 
     private static Peer thisPeerBuffer = null;
 
+    /**
+     * Creates directories at given path and file where info about this and other peers is getting stored.
+     * @param filesPath the path where to find or create the info files.
+     */
+    public static void createInfoFilesIfNotExisting(String filesPath) {
+        Path path = Paths.get(filesPath);
+        boolean validPath = true;
+        if (!Files.exists(path)) {
+            try {
+                Files.createDirectories(path);
+                System.out.println("Directories created successfully.");
+            } catch (Exception e) {
+                System.out.println("Failed to create directories: " + e.getMessage());
+                validPath = false;
+            }
+        }
+        if (validPath) {
+            String appendix = null;
+            if (filesPath.endsWith(File.separator)) {
+                appendix = "";
+            } else {
+                appendix = File.separator;
+            }
+            Path peerFilePath = Paths.get(filesPath + appendix + Constants.PEERCONFIGFILENAME);
+            if (!Files.exists(peerFilePath)) {
+                try {
+                    Files.createFile(peerFilePath);
+                    System.out.println("Created " + Constants.PEERCONFIGFILENAME + " file.");
+                } catch (IOException e) {
+                    System.out.println("Failed to create " + Constants.PEERCONFIGFILENAME + " file.");
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
     public static Peer getThisPeer(EUpdated updateState) {
         switch (updateState) {
             case NotUpdated: {
@@ -35,6 +76,7 @@ public class FileReaderWriter {
         // TODO unimplemented
         // read from file this peers data
         
+        
         String ipAddress = null;
         int port = 5000;
         thisPeerBuffer = new Peer(ipAddress, port, null, EOnlineState.Online); // change to valid data once implemented