я не понимаю претензий валидатора
package com.javarush.task.task20.task2002;
import sun.misc.IOUtils;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.*;
/*
Читаем и пишем в файл: JavaRush
*/
public class Solution {
public static void main(String[] args) {
//you can find your_file_name.tmp in your TMP directory or adjust outputStream/inputStream according to your file's actual location
//вы можете найти your_file_name.tmp в папке TMP или исправьте outputStream/inputStream в соответствии с путем к вашему реальному файлу
try {
File yourFile = File.createTempFile("result", ".txt", new File("d:\\k4"));
OutputStream outputStream = new FileOutputStream(yourFile);
InputStream inputStream = new FileInputStream(yourFile);
JavaRush javaRush = new JavaRush();
//javaRush.users.add(new User());
//javaRush.users.get(0).setFirstName("FirstName");
//javaRush.users.get(0).setLastName("LastName");
//javaRush.users.get(0).setCountry(User.Country.UKRAINE);
//javaRush.users.add(new User());
javaRush.save(outputStream);
outputStream.flush();
JavaRush loadedObject = new JavaRush();
loadedObject.load(inputStream);
//boolean flag = javaRush.equals(loadedObject);
//if (javaRush.equals(loadedObject)) System.out.println("EQUAL");
outputStream.close();
inputStream.close();
} catch (IOException e) {
//e.printStackTrace();
System.out.println("Oops, something is wrong with my file");
} catch (Exception e) {
//e.printStackTrace();
System.out.println("Oops, something is wrong with the save/load method");
}
}
public static class JavaRush {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
if (users == null) throw new Exception("error");
for (User user: users) {
outputStream.write(user.toString().getBytes());
outputStream.write(System.lineSeparator().getBytes());
}
}
public void load(InputStream inputStream) throws Exception {
Scanner s = new Scanner(inputStream).useDelimiter("\\A");
String result = s.hasNext() ? s.next() : "";
if (result.length() < 1) throw new Exception("файл пустой");
String[] file = result.split("\\r\\n");
if (file.length < 5) throw new Exception("не данные в файле");
for (int i = 0; i < file.length; i++) {
String[] strArr = file[i].split(";");
User user = new User();
user.setFirstName(strArr[0]);
user.setLastName(strArr[1]);
SimpleDateFormat dt = new SimpleDateFormat("yyyy MM dd HH:mm:ss.SSS");
user.setBirthDate(dt.parse(strArr[2]));
user.setMale(strArr[3].equals("true") ? true : false);
if (strArr[4].equals("UKRAINE")) {
user.setCountry(User.Country.UKRAINE);
} else if (strArr[4].equals("RUSSIAN")) {
user.setCountry(User.Country.RUSSIA);
} else user.setCountry(User.Country.OTHER);
users.add(i, user);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
JavaRush javaRush = (JavaRush) o;
return users != null ? users.equals(javaRush.users) : javaRush.users == null;
}
@Override
public int hashCode() {
return users != null ? users.hashCode() : 0;
}
}
}