feat: add path argument for ReadFile

app/src/main/java/Main.java

@@ -1,3 +1,4 @@
+import java.nio.file.Path;
 import java.util.*;
 
 public class Main {
@@ -14,7 +15,7 @@ public class Main {
 //		System.out.println(Arrays.toString(args));
 		
 		// Get the data from the file
-		List<String> data = ReadFile.open("example.txt");
+		List<String> data = ReadFile.open(Path.of("example.txt"));
 		
 		// Gets a map with the total occurrences for each domain
 		Map<String, Integer> domains = getDomainTotal(data);

app/src/main/java/ReadFile.java

@@ -1,5 +1,7 @@
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.nio.file.InvalidPathException;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;
@@ -7,22 +9,24 @@ import java.util.Scanner;
 public class ReadFile {
 	/**
 	 * Opens a file and returns a list of all the lines in the file
-	 * @param filename the name of the file with, only allowing a .txt extension
+	 * @param path The path to the file
 	 * @return The contents of the file
 	 */
-	public static List<String> open(String filename) {
+	public static List<String> open(Path path) {
 		// Check that the filetype is correct, otherwise, throw IllegalArgumentException
-		if (!filename.endsWith(".txt")) {
+		if (!path.getFileName().toString().endsWith(".txt")) {
 			throw new IllegalArgumentException("The filename is not a .txt format");
 		}
 		
-		File file = new File(filename);
 		Scanner reader;
 		try {
 			// Open the file that was defined
-			reader = new Scanner(file);
-		} catch (FileNotFoundException e) {
-			throw new RuntimeException(e);
+			reader = new Scanner(path.toFile());
+		} catch (InvalidPathException e) {
+			throw new RuntimeException("Could not find the file: " + e);
+		}
+		catch (FileNotFoundException e) {
+			throw new RuntimeException("Could not open the file: " + e);
 		}
 
 		// List for all the separate lines on the database