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package com.javarush.task.task20.task2002;
import java.io.*;
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("your_file_name", null);
OutputStream outputStream = new FileOutputStream("C:/1.txt");
InputStream inputStream = new FileInputStream("C:/1.txt");
JavaRush javaRush = new JavaRush();
//initialize users field for the javaRush object here - инициализируйте поле users для объекта javaRush тут
javaRush.users=new ArrayList<>();
User user = new User();
user.setFirstName("Luba");
user.setLastName("Chivi");
user.setMale(true);
SimpleDateFormat birhday = new SimpleDateFormat("dd MM yyyy", Locale.ENGLISH);
// Calendar birhday= new GregorianCalendar(1986,11,23);
user.setBirthDate(birhday.parse("23 11 1986"));
user.setCountry(User.Country.RUSSIA);
javaRush.users.add(user);
//System.out.println(javaRush.users);
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
javaRush.equals(loadedObject);
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 {
//implement this method - реализуйте этот метод
PrintWriter writer = new PrintWriter(outputStream);
String listuser= this.users.size()>0? "yes":"no";
writer.println(listuser);
if (listuser.equals("yes")){
for(User el :users){
// writer.println(el);
writer.println(el.getFirstName());
writer.println(el.getLastName());
SimpleDateFormat dateFormat = new SimpleDateFormat("dd MM yyyy", Locale.ENGLISH);
String birsday = dateFormat.format(el.getBirthDate().getTime());
writer.println(birsday);
writer.println(String.valueOf(el.isMale()));
writer.println(el.getCountry().getDisplayName());
writer.println(el.getBirthDate());
writer.println(el.getCountry());
writer.println(el.isMale());
writer.println(el.getCountry());
}
}
writer.flush();
writer.close();
}
public void load(InputStream inputStream) throws Exception {
//implement this method - реализуйте этот метод
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
if(reader.readLine().equals("yes")){
while (reader.ready()){
// User user = new User(reader.readLine());
User user = new User();
user.setFirstName(reader.readLine());
user.setLastName(reader.readLine());
SimpleDateFormat dateFormat = new SimpleDateFormat("dd MM yyyy", Locale.ENGLISH);
user.setBirthDate(dateFormat.parse(reader.readLine()));
String strana = reader.readLine();
User.Country[] list =User.Country.values();
for(User.Country el :list){
if(strana.equals(user.getCountry().getDisplayName())){
user.setCountry(el);
break;
}
}
this.users.add(user);
}
}
reader.readLine();
}
@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;
}
}
}