Ментор:
"Убедись, что дни рождения пользователей корректно записываются и читаются, с точностью до миллисекунд."
package com.javarush.task.task20.task2002;
import java.io.*;
import java.nio.file.Path;
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("myNewFile", null, new File("C:\\Users\\Вадим\\Music\\Test\\Inside\\"));
OutputStream outputStream = new FileOutputStream(yourFile);
InputStream inputStream = new FileInputStream(yourFile);
JavaRush javaRush = new JavaRush();
User user = new User();
user.setFirstName("Vadim");
user.setLastName("Kulagin");
Date birthDate = new Date(88, 10, 9);
user.setBirthDate(birthDate);
user.setMale(true);
user.setCountry(User.Country.RUSSIA);
javaRush.users.add(user);
//initialize users field for the javaRush object here - инициализируйте поле users для объекта javaRush тут
javaRush.save(outputStream);
outputStream.flush();
JavaRush loadedObject = new JavaRush();
loadedObject.load(inputStream);
//here check that the javaRush object is equal to the loadedObject object - проверьте тут, что javaRush и loadedObject равны
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 {
PrintStream printStream = new PrintStream(outputStream);
for (int i = 0; i < users.size(); i++) {
if (users.get(i) != null) {
printStream.println(users.get(i).getFirstName());
printStream.println(users.get(i).getLastName());
printStream.println(users.get(i).getBirthDate().getTime()/1000);
printStream.println(users.get(i).isMale());
printStream.println(users.get(i).getCountry());
}
}
}
public void load(InputStream inputStream) throws Exception {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
int index = 0;
while (bufferedReader.ready()){
User user = new User();
user.setFirstName(bufferedReader.readLine());
user.setLastName(bufferedReader.readLine());
Date date = new Date(Long.parseLong(bufferedReader.readLine()));
user.setBirthDate(date);
user.setMale(Boolean.parseBoolean(bufferedReader.readLine()));
String country = bufferedReader.readLine();
if (country.equals("RUSSIA"))
user.setCountry(User.Country.RUSSIA);
else if (country.equals("UKRAINE"))
user.setCountry(User.Country.UKRAINE);
else if (country.equals("OTHER"))
user.setCountry(User.Country.OTHER);
users.add(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;
}
}
}