package lr10.task_1;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.File;

public class e1 {
    public static void main(String[] args) {
        try {
            DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

            // Создание корневого элемента
            Document doc = docBuilder.newDocument();
            Element rootElement = doc.createElement("library");
            doc.appendChild(rootElement);

            // Добавление первой книги
            Element book1 = doc.createElement("book");
            rootElement.appendChild(book1);

            Element title1 = doc.createElement("title");
            title1.appendChild(doc.createTextNode("Война и мир"));
            book1.appendChild(title1);

            Element author1 = doc.createElement("author");
            author1.appendChild(doc.createTextNode("Лев Толстой"));
            book1.appendChild(author1);

            Element year1 = doc.createElement("year");
            year1.appendChild(doc.createTextNode("1869"));
            book1.appendChild(year1);

            // Добавление второй книги
            Element book2 = doc.createElement("book");
            rootElement.appendChild(book2);

            Element title2 = doc.createElement("title");
            title2.appendChild(doc.createTextNode("Мастер и Маргарита"));
            book2.appendChild(title2);

            Element author2 = doc.createElement("author");
            author2.appendChild(doc.createTextNode("Михаил Булгаков"));
            book2.appendChild(author2);

            Element year2 = doc.createElement("year");
            year2.appendChild(doc.createTextNode("1967"));
            book2.appendChild(year2);

            // Запись XML-файла
            doc.setXmlStandalone(true);
            doc.normalizeDocument();

            javax.xml.transform.TransformerFactory tf = javax.xml.transform.TransformerFactory.newInstance();
            javax.xml.transform.Transformer transformer = tf.newTransformer();
            transformer.setOutputProperty(javax.xml.transform.OutputKeys.ENCODING, "UTF-8");
            transformer.setOutputProperty(javax.xml.transform.OutputKeys.STANDALONE, "yes");
            transformer.setOutputProperty(javax.xml.transform.OutputKeys.INDENT, "yes");

            javax.xml.transform.dom.DOMSource source = new javax.xml.transform.dom.DOMSource(doc);

            javax.xml.transform.stream.StreamResult result = new javax.xml.transform.stream.StreamResult(
                    new File("example.xml"));

            transformer.transform(source, result);

            System.out.println("XML-файл успешно создан!");

        } catch (Exception pce) {
            pce.printStackTrace();
        }
    }
}