Mega Code Archive
Reading an XML Document and create user-defined object from DOM
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import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
public class ListMoviesXML {
public static void main(String[] args) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setIgnoringComments(true);
factory.setIgnoringElementContentWhitespace(true);
factory.setValidating(true);
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(new InputSource("y.xml"));
Element root = doc.getDocumentElement();
Element movieElement = (Element) root.getFirstChild();
Movie m;
while (movieElement != null) {
m = getMovie(movieElement);
String msg = Integer.toString(m.year);
msg += ": " + m.title;
msg += " (" + m.price + ")";
System.out.println(msg);
movieElement = (Element) movieElement.getNextSibling();
}
}
private static Movie getMovie(Element e) {
String yearString = e.getAttribute("year");
int year = Integer.parseInt(yearString);
Element tElement = (Element) e.getFirstChild();
String title = getTextValue(tElement).trim();
Element pElement = (Element) tElement.getNextSibling();
String pString = getTextValue(pElement).trim();
double price = Double.parseDouble(pString);
return new Movie(title, year, price);
}
private static String getTextValue(Node n) {
return n.getFirstChild().getNodeValue();
}
}
class Movie {
public String title;
public int year;
public double price;
public Movie(String title, int year, double price) {
this.title = title;
this.year = year;
this.price = price;
}
}
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