Main.java Source code

Introduction

Here is the source code for Main.java

Source

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import org.w3c.dom.Element;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.InputStream;
import java.net.URL;

public class Main {
    public static void main(String[] args) throws Exception {
        InputStream is = new URL("http://www.your server.com/daily.xml").openStream();
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc = db.parse(is);
        NodeList nodeList = doc.getElementsByTagName("v");
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                Element element = (Element) node;
                if (element.getAttribute("currency").equals("BRL")) {
                    System.out.println(element.getAttribute("rate"));
                }
            }
        }
    }
}