package com.javarush.task.task20.task2002;
import java.io.*;
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) {
//you can find your_file_name.tmp in your TMP directory or fix outputStream/inputStream according to your real file 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 your_file_name = File.createTempFile("c:/users.txt", null);
OutputStream outputStream = new FileOutputStream("c:/users.txt");
InputStream inputStream = new FileInputStream("c:/users.txt");
JavaRush javaRush = new JavaRush();
//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);
//check here that javaRush object equals to loadedObject object - проверьте тут, что javaRush и loadedObject равны
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");
}
}
private static User.Country getCountry(){
int i = (int) Math.round(1+Math.random()*3);
switch (i){
case 1 : return User.Country.UKRAINE;
case 2 : return User.Country.RUSSIA;
}
return User.Country.OTHER;
}
private static Date getBirthDate(int i){
Date birthDate = new Date();
birthDate.setMonth((int)(Math.round(Math.random()*12)));
birthDate.setDate((int)(i+Math.round(Math.random()*12)));
return birthDate;
}
public static class JavaRush {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
PrintStream ps = new PrintStream(outputStream);
if (users != null) {
for (int i = 0; i < users.size(); i++) {
ps.println(users.get(i).toString());
}
}
}
public void load(InputStream inputStream) throws Exception {
BufferedReader buff = new BufferedReader(new InputStreamReader(inputStream));
while (buff.ready()){
String[] vals = getValues(buff.readLine());
User user = new User();
user.setFirstName(vals[0]);
user.setLastName(vals[1]);
user.setMale(getSex(vals[3]));
user.setBirthDate(new Date(Long.parseLong(vals[2])));
user.setCountry(User.Country.valueOf(vals[4]));
}
}
private boolean getSex (String s){
if (s.equals("m"))return true;
else return false;
}
private String[] getValues (String s){
String[] list = s.split("/");
return list;
}
@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;
}
}
}
package com.javarush.task.task20.task2002;
import java.io.*;
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) {
//you can find your_file_name.tmp in your TMP directory or fix outputStream/inputStream according to your real file 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 your_file_name = File.createTempFile("c:/users.txt", null);
OutputStream outputStream = new FileOutputStream("c:/users.txt");
InputStream inputStream = new FileInputStream("c:/users.txt");
JavaRush javaRush = new JavaRush();
//initialize users field for the javaRush object here - инициализируйте поле users для объекта javaRush тут
for (int i = 0; i < 10; i++){
User u = new User();
u.setCountry(getCountry());
u.setBirthDate(getBirthDate(i));
u.setMale(false);
u.setFirstName("Darya"+i);
javaRush.users.add(u);
}
javaRush.save(outputStream);
outputStream.flush();
JavaRush loadedObject = new JavaRush();
loadedObject.load(inputStream);
//check here that javaRush object equals to loadedObject object - проверьте тут, что javaRush и loadedObject равны
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");
}
}
private static User.Country getCountry(){
int i = (int) Math.round(1+Math.random()*3);
switch (i){
case 1 : return User.Country.UKRAINE;
case 2 : return User.Country.RUSSIA;
}
return User.Country.OTHER;
}
private static Date getBirthDate(int i){
Date birthDate = new Date();
birthDate.setMonth((int)(Math.round(Math.random()*12)));
birthDate.setDate((int)(i+Math.round(Math.random()*12)));
return birthDate;
}
public static class JavaRush {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
PrintStream ps = new PrintStream(outputStream);
if (users != null) {
for (int i = 0; i < users.size(); i++) {
ps.println(users.get(i).toString());
}
}
}
public void load(InputStream inputStream) throws Exception {
BufferedReader buff = new BufferedReader(new InputStreamReader(inputStream));
while (buff.ready()){
String[] vals = getValues(buff.readLine());
User user = new User();
user.setFirstName(vals[0]);
user.setLastName(vals[1]);
user.setMale(getSex(vals[3]));
user.setBirthDate(new Date(Long.parseLong(vals[2])));
user.setCountry(User.Country.valueOf(vals[4]));
}
}
private boolean getSex (String s){
if (s.equals("m"))return true;
else return false;
}
private String[] getValues (String s){
String[] list = s.split("/");
return list;
}
@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;
}
}
}