package org.typeschema.dto;

import com.fasterxml.jackson.annotation.JsonGetter;
import com.fasterxml.jackson.annotation.JsonSetter;

/**
 * A simple student struct
 */
public class Student {
    private String firstName;
    private String lastName;
    private Integer age;

    @JsonSetter("firstName")
    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    @JsonGetter("firstName")
    public String getFirstName() {
        return this.firstName;
    }

    @JsonSetter("lastName")
    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    @JsonGetter("lastName")
    public String getLastName() {
        return this.lastName;
    }

    @JsonSetter("age")
    public void setAge(Integer age) {
        this.age = age;
    }

    @JsonGetter("age")
    public Integer getAge() {
        return this.age;
    }
}

package org.typeschema.dto;

import com.fasterxml.jackson.databind.ObjectMapper;
import java.nio.file.Files;
import java.nio.file.Path;
import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        String input = Files.readString(Path.of("./input.json"));

        ObjectMapper objectMapper = (new ObjectMapper())
            .findAndRegisterModules()
            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

        Student student = objectMapper.readValue(input, Student.class);

        String output = objectMapper.writeValueAsString(student);

        Files.write(Path.of("./output.json"), output.getBytes());
    }
}