import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class FileManager {
    public static void writeFile(String fileLocation, String writeString) throws IOException {
        File newFile = new File(fileLocation);
        FileWriter fileWriter = new FileWriter(newFile);
        fileWriter.write(writeString);
        fileWriter.close();
    }

    // will create file if it doesn't exist
    public static String readFile(String fileLocation) throws IOException {
        File newFile = new File(fileLocation);
        if (newFile.createNewFile()) {
            return null;
        } else {
            Scanner fileReader = new Scanner(newFile);
            // using the delimiter \\Z reads the entire file at once
            return fileReader.useDelimiter("\\Z").next();
        }
    }
}