taskBckg

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class taskBckg {



    // Returns true if file exists
        public static boolean checkForFile() throws IOException {
            File f = new File("tasks.txt");
            if (!f.exists()) {
                // Create the file
                createTasksFile();
            } else {
                return true;
            }
            return false;
        }

        public void openWebpage(String address) {
            try
            {
            Process p=Runtime.getRuntime().exec("cmd /c start "+ address);
            }
            catch(IOException e1) {
                System.out.println(e1);
                }
        }










        // Returns true if errors still exist
        @SuppressWarnings("null")
        public static String[] runDiagnostics() throws IOException {

            gui gui1 = new gui();
            gui1.setCurStatus("Now running diagnostics... Please wait!");

            int i = 0;
            int errorsI = 0;
            File f = new File("tasks.txt");
            String[] errors = { "", "", "", "", "" };

            // try to create the file three times
            do {
                f.createNewFile();
                i++;
            } while (!f.exists() && i < 3);

            // if the file creating was still unsuccessful, give out an error
            if (!f.exists()) {
                errors[errorsI] = "Error creating the file!";
                errorsI++;
            }
            if (!f.canRead()) {
                errors[errorsI] = "Error reading the file!";
                errorsI++;
            }
            if (!f.canWrite()) {
                errors[errorsI] = "Error writing to the file!";
                errorsI++;
            }
            return errors;
        }
    }