При каком случае выскакивает исключение?
Потестил с одним и двумя юзерами - все ок.
package com.javarush.task.task20.task2002;
import sun.text.resources.FormatData;
import javax.jws.soap.SOAPBinding;
import java.io.*;
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
/*
Читаем и пишем в файл: JavaRush
*/
public class Solution {
public static void main(String[] args) {
try {
OutputStream outputStream = new FileOutputStream("D:\\Programm\\Files\\file.tmp");
InputStream inputStream = new FileInputStream("D:\\Programm\\Files\\file.tmp");
JavaRush javaRush = new JavaRush();
User user = new User();
user.setFirstName("Alex");
user.setLastName("Semchenko");
Date birthDay = new Date(95, 8, 29);
user.setBirthDate(birthDay);
user.setMale(true);
user.setCountry(User.Country.RUSSIA);
javaRush.users.add(user);
User user1 = new User();
user1.setFirstName("Vova");
user1.setLastName("Schekov");
Date birthDay1 = new Date(92, 4, 14);
user1.setBirthDate(birthDay1);
user1.setMale(true);
user1.setCountry(User.Country.RUSSIA);
javaRush.users.add(user1);
javaRush.save(outputStream);
outputStream.flush();
JavaRush loadedObject = new JavaRush();
loadedObject.load(inputStream);
System.out.println(loadedObject.equals(javaRush));
System.out.println(loadedObject.users.get(0).getFirstName());
System.out.println(loadedObject.users.get(1).getFirstName());
outputStream.close();
inputStream.close();
} catch (IOException e) {
//e.printStackTrace();
System.out.println("Oops, something wrong with my file");
} catch (Exception e) {
//e.printStackTrace();
System.out.println("Oops, something wrong with save/load method");
}
}
public static class JavaRush {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
PrintWriter writer = new PrintWriter(outputStream);
if (users.isEmpty()){
writer.println("UserIsEmpty");
}else{
writer.println("UserNotEmpty");
for (User user : users) {
writer.println(user.getFirstName());
writer.println(user.getLastName());
SimpleDateFormat sDF = new SimpleDateFormat();
writer.println(sDF.format(user.getBirthDate()));
writer.println(user.isMale());
writer.println(user.getCountry());
}
}
writer.close();
}
public void load(InputStream inputStream) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
SimpleDateFormat dateFormat = new SimpleDateFormat();
if(reader.readLine().equals("UserNotEmpty")){
while (reader.ready()) {
User user = new User();
user.setFirstName(reader.readLine());
user.setLastName(reader.readLine());
String s = reader.readLine();
SimpleDateFormat sFD = new SimpleDateFormat();
Date date = sFD.parse(s);
user.setBirthDate(date);
if(reader.readLine().equals("true")){
user.setMale(true);
}else{
user.setMale(false);
}
if (reader.readLine().equals("RUSSIA")){
user.setCountry(User.Country.RUSSIA);
}else if (reader.readLine().equals("UKRAINE")){
user.setCountry(User.Country.UKRAINE);
}else{
user.setCountry(User.Country.OTHER);
}
users.add(user);
user = null;
}
}
reader.close();
}
@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;
}
}
}