Schema validation example

Main.java

package io.sspinc.validator.example;

import io.sspinc.validator.Schema;
import io.sspinc.validator.ValidationErrors;

import static io.sspinc.validator.Validators.allowNull;
import static io.sspinc.validator.Validators.inclusion;
import static io.sspinc.validator.Validators.length;
import static io.sspinc.validator.Validators.presence;

public class Main {

    public static void main(String[] args) {
        Person person = new Person("", 32, null); //new Address());
        ValidationErrors errors = getPersonSchema().validate(person);
        errors.fullMessages().forEach(System.out::println);
    }

    private static Schema<Person> getPersonSchema() {
        Schema<Address> addressSchema = Schema.builder(Address.class)
                .add(Address::getCountry, inclusion("Hungary", "Germany"))
                .build();

        return Schema.builder(Person.class)
                .add(Person::getName, presence())
                .add(Person::getName, length(2, 12))
                .add(Person::getAddress, allowNull(addressSchema))
                .build();
    }
}