I have the check for each property but somehow it still doesn't pass.
package com.codegym.task.task20.task2002;
import java.io.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
/*
Reading and writing to a file: CodeGym
*/
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
try {
File yourFile = File.createTempFile("your_file_name", null);
OutputStream outputStream = new FileOutputStream(yourFile);
InputStream inputStream = new FileInputStream(yourFile);
CodeGym codeGym = new CodeGym();
// Initialize users field for the codeGym object here
codeGym.users.add(new User());
codeGym.users.add(new User());
codeGym.save(outputStream);
outputStream.flush();
CodeGym loadedObject = new CodeGym();
loadedObject.load(inputStream);
// Here check that the codeGym object is equal to the loadedObject object
codeGym.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 CodeGym {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
byte[] lineSeparator = System.getProperty("line.separator").getBytes();
outputStream.write(String.valueOf(users.size()).getBytes());
outputStream.write(lineSeparator);
outputStream.flush();
if (!users.isEmpty()) {
for (User user : users) {
boolean hasFirstName = user.getFirstName() != null;
outputStream.write(String.valueOf(hasFirstName).getBytes());
outputStream.write(lineSeparator);
if (hasFirstName) {
outputStream.write(String.valueOf(user.getFirstName()).getBytes());
outputStream.write(lineSeparator);
}
boolean hasLastName = user.getLastName() != null;
outputStream.write(String.valueOf(hasLastName).getBytes());
outputStream.write(lineSeparator);
if (hasLastName) {
outputStream.write(String.valueOf(user.getLastName()).getBytes());
outputStream.write(lineSeparator);
}
boolean hasBirthDate = user.getBirthDate() != null;
outputStream.write(String.valueOf(hasBirthDate).getBytes());
outputStream.write(lineSeparator);
if (hasBirthDate) {
outputStream.write(String.valueOf(user.getBirthDate().getTime()).getBytes());
outputStream.write(lineSeparator);
}
boolean isMale = user.isMale();
outputStream.write(String.valueOf(isMale).getBytes());
outputStream.write(lineSeparator);
if (isMale) {
outputStream.write(String.valueOf(user.isMale()).getBytes());
outputStream.write(lineSeparator);
}
boolean hasCountry = user.getCountry() != null;
outputStream.write(String.valueOf(hasCountry).getBytes());
outputStream.write(lineSeparator);
if (hasCountry) {
outputStream.write(String.valueOf(user.getCountry()).getBytes());
outputStream.write(lineSeparator);
}
outputStream.flush();
}
}
}
public void load(InputStream inputStream) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
int userCount = Integer.parseInt(reader.readLine());
if (userCount > 0) {
for (int i = 0; i < userCount; i++) {
User user = new User();
boolean hasFirstName = Boolean.parseBoolean(reader.readLine());
if (hasFirstName) {
user.setFirstName(reader.readLine());
}
boolean hasLastName = Boolean.parseBoolean(reader.readLine());
if (hasLastName) {
user.setLastName(reader.readLine());
}
boolean hasBirthDate = Boolean.parseBoolean(reader.readLine());
if (hasBirthDate) {
Date birthDate = new Date(Long.parseLong(reader.readLine()));
user.setBirthDate(birthDate);
}
boolean isMale = Boolean.parseBoolean(reader.readLine());
if (isMale) {
user.setMale(Boolean.parseBoolean(reader.readLine()));
}
boolean hasCountry = Boolean.parseBoolean(reader.readLine());
if (hasCountry) {
user.setCountry(getCountry(reader.readLine()));
}
users.add(user);
}
}
reader.close();
}
private static boolean isUserNull(User user) {
return user.getFirstName() == null &&
user.getLastName() == null &&
user.getBirthDate() == null &&
user.getCountry() == null;
}
private static User.Country getCountry(String country) {
switch (country) {
case "United States":
return User.Country.UNITED_STATES;
case "United Kingdom":
return User.Country.UNITED_KINGDOM;
default:
return User.Country.OTHER;
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CodeGym codeGym = (CodeGym) o;
return users != null ? users.equals(codeGym.users) : codeGym.users == null;
}
@Override
public int hashCode() {
return users != null ? users.hashCode() : 0;
}
}
}