[Java] DOM4J를 이용한 XML(문자열, 파일) 파싱

Maven 설정

<!-- https://mvnrepository.com/artifact/org.dom4j/dom4j -->
<dependency>
    <groupId>org.dom4j</groupId>
    <artifactId>dom4j</artifactId>
    <version>2.1.3</version>
</dependency>

Maven Repository : https://mvnrepository.com/artifact/org.dom4j/dom4j/2.1.3

 

문자열 및 파일 파싱

import java.util.List;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class StringToXml {

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

        // 1. XML 로드
        // 1-1. 문자열 파싱 시
        //String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?> <catalog> <book id=\"bk101\"> <author>Gambardella, Matthew</author> <title>XML Developer's Guide</title> <genre>Computer</genre> <price>44.95</price> <publish_date>2000-10-01</publish_date> <description>An in-depth look at creating applications with XML.</description> </book> <book id=\"bk102\"> <author>Ralls, Kim</author> <title>Midnight Rain</title> <genre>Fantasy</genre> <price>5.95</price> <publish_date>2000-12-16</publish_date> <description>A former architect battles corporate zombies, an evil sorceress, and her own childhood to become queen of the world.</description> </book> </catalog>";

        //Document document = DocumentHelper.parseText(xml);

        // 1-2. 파일 파싱 시
        Document document = new SAXReader().read("C:/project/blog/file/books.xml");

        // 2. Root Element (catalog)
        Element rootElement =  document.getRootElement();

        // 3. Root Element (book)
        List<Element> bookElements = rootElement.elements();
        for(Element bookElement : bookElements){

            String bookAttributeId = bookElement.attributeValue("id");
            System.out.println("==== ==== ==== ==== ====");
            System.out.println("book attribute id : " + bookAttributeId);

            // 4. Book Children Element (author, title, genre, price, publish_date, description)
            List<Element> bookChildrenElements =  bookElement.elements();
            for(Element bookChildrenElement : bookChildrenElements){
                String name = bookChildrenElement.getName();
                String value = bookChildrenElement.getText();
                System.out.println(name + " : " + value);
            }

            System.out.println("==== ==== ==== ==== ====");
        }
    }
}