143 lines
2.5 KiB
Java
143 lines
2.5 KiB
Java
package wmiproject;
|
|
|
|
public class PeselValid {
|
|
|
|
private byte PESEL[] = new byte[11];
|
|
private boolean valid = false;
|
|
|
|
public PeselValid(String PESELNumber) {
|
|
if (PESELNumber.length() != 11){
|
|
valid = false;
|
|
}
|
|
else {
|
|
for (int i = 0; i < 11; i++){
|
|
PESEL[i] = Byte.parseByte(PESELNumber.substring(i, i+1));
|
|
}
|
|
if (checkSum() && checkMonth() && checkDay()) {
|
|
valid = true;
|
|
}
|
|
else {
|
|
valid = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
public int getBirthYear() {
|
|
int year;
|
|
int month;
|
|
year = 10 * PESEL[0];
|
|
year += PESEL[1];
|
|
month = 10 * PESEL[2];
|
|
month += PESEL[3];
|
|
if (month > 80 && month < 93) {
|
|
year += 1800;
|
|
}
|
|
else if (month > 0 && month < 13) {
|
|
year += 1900;
|
|
}
|
|
else if (month > 20 && month < 33) {
|
|
year += 2000;
|
|
}
|
|
else if (month > 40 && month < 53) {
|
|
year += 2100;
|
|
}
|
|
else if (month > 60 && month < 73) {
|
|
year += 2200;
|
|
}
|
|
return year;
|
|
}
|
|
|
|
public int getBirthMonth() {
|
|
int month;
|
|
month = 10 * PESEL[2];
|
|
month += PESEL[3];
|
|
if (month > 80 && month < 93) {
|
|
month -= 80;
|
|
}
|
|
else if (month > 20 && month < 33) {
|
|
month -= 20;
|
|
}
|
|
else if (month > 40 && month < 53) {
|
|
month -= 40;
|
|
}
|
|
else if (month > 60 && month < 73) {
|
|
month -= 60;
|
|
}
|
|
return month;
|
|
}
|
|
|
|
public int getBirthDay() {
|
|
int day;
|
|
day = 10 * PESEL[4];
|
|
day += PESEL[5];
|
|
return day;
|
|
}
|
|
|
|
private boolean checkSum() {
|
|
int sum = 1 * PESEL[0] +
|
|
3 * PESEL[1] +
|
|
7 * PESEL[2] +
|
|
9 * PESEL[3] +
|
|
1 * PESEL[4] +
|
|
3 * PESEL[5] +
|
|
7 * PESEL[6] +
|
|
9 * PESEL[7] +
|
|
1 * PESEL[8] +
|
|
3 * PESEL[9];
|
|
sum %= 10;
|
|
sum = 10 - sum;
|
|
sum %= 10;
|
|
|
|
if (sum == PESEL[10]) {
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private boolean checkMonth() {
|
|
int month = getBirthMonth();
|
|
if (month > 0 && month < 13) {
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private boolean checkDay() {
|
|
int year = getBirthYear();
|
|
int month = getBirthMonth();
|
|
int day = getBirthDay();
|
|
if ((day >0 && day < 32) &&
|
|
(month == 1 || month == 3 || month == 5 ||
|
|
month == 7 || month == 8 || month == 10 ||
|
|
month == 12)) {
|
|
return true;
|
|
}
|
|
else if ((day >0 && day < 31) &&
|
|
(month == 4 || month == 6 || month == 9 ||
|
|
month == 11)) {
|
|
return true;
|
|
}
|
|
else if ((day >0 && day < 30 && leapYear(year)) ||
|
|
(day >0 && day < 29 && !leapYear(year))) {
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private boolean leapYear(int year) {
|
|
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
public boolean isValid() {
|
|
return valid;
|
|
}
|
|
}
|