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package com.zetcode;

import javax.json.Json;

import javax.json.stream.JsonGenerator;

import java.io.IOException;

import java.nio.charset.StandardCharsets;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.time.LocalDate;

import java.util.HashMap;

import java.util.List;

public class JsonGeneratorEx {

public static void main(String[] args) throws IOException {

var myPath = Paths.get("src/main/resources/users.json");

var config = new HashMap<String, Boolean>();

config.put(JsonGenerator.PRETTY_PRINTING, true);

var factory = Json.createGeneratorFactory(config);

var generator = factory.createGenerator(Files.newBufferedWriter(myPath,

StandardCharsets.UTF_8));

generator.writeStartArray();

var users = generateUsers();

users.forEach(user -> {

generator.writeStartObject();

generator.write("name", user.getName());

generator.write("occupation", user.getOccupation());

generator.write("born", user.getBorn().toString());

generator.writeEnd();

});

generator.writeEnd();

generator.flush();

}

public static List<User> generateUsers() {

var born1 = LocalDate.of(1992, 3, 2);

var u1 = new User("John Doe", "gardener", born1);

var born2 = LocalDate.of(1967, 11, 22);

var u2 = new User("Brian Flemming", "teacher", born2);

var born3 = LocalDate.of(1995, 4, 7);

var u3 = new User("Lucy Black", "accountant", born3);

var born4 = LocalDate.of(1977, 10, 31);

var u4 = new User("William Bean", "pilot", born4);

return List.of(u1, u2, u3, u4);

}

}