package DesignPatterns;

import java.time.LocalDate;

public class Builder {

public static void main(String[] args) {

Employee employee = Employee.builder()

.withAge(29)

.withName("Samael Smith")

.withUserName("sam@1234")

.withAddress("NYC, New York")

.build();

System.out.printf("Employee obj: %s", employee);

}

}

record Employee(

String name,

String userName,

String address,

int age,

String dateOfBirth) {

public static EmployeeBuilder builder() {

return new EmployeeBuilder();

}

public static class EmployeeBuilder {

private static final String DEFAULT_NAME = "Default Name";

private static final String DEFAULT_USERNAME = "default-user-name";

private static final String DEFAULT_ADDRESS = "127.0.0.1";

private static final int DEFAULT_AGE = 35;

private static final String DEFAULT_DOB = LocalDate.now().toString();

private String name;

private String userName;

private String address;

private int age;

private String dateOfBirth;

EmployeeBuilder() {

this.name = DEFAULT_NAME;

this.userName = DEFAULT_USERNAME;

this.address = DEFAULT_ADDRESS;

this.age = DEFAULT_AGE;

this.dateOfBirth = DEFAULT_DOB;

}

public EmployeeBuilder withName(String name) {

this.name = name;

return this;

}

public EmployeeBuilder withUserName(String userName) {

this.userName = userName;

return this;

}

public EmployeeBuilder withAge(int age) {

this.age = age;

return this;

}

public EmployeeBuilder withAddress(String address) {

this.address = address;

return this;

}

public EmployeeBuilder withDateOfBirth(String dateOfBirth) {

this.dateOfBirth = dateOfBirth;

return this;

}

public Employee build() {

return new Employee(this.name, this.userName, this.address, this.age, this.dateOfBirth);

}

}

@Override

public String toString() {

return String.format("Employee{name='%s', userName='%s', address='%s', age=%d, dateOfBirth='%s'}",

name, userName, address, age, dateOfBirth);

}

}