Java Reference
In-Depth Information
package com.soacookbook.ch02.jaxb;
import java.io.StringReader;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Document;
public class UnmarshalWithElement {
public static void main(String...arg) {
try {
//Create context
JAXBContext ctx = JAXBContext.newInstance(Book.class);
//Create marshaller
Unmarshaller um = ctx.createUnmarshaller();
//Read in the XML from anywhere
//In this case it is a complete XML book as string.
StringReader sr = new StringReader(getBookXml());
//Get XML from object
JAXBElement<Book> b = um.unmarshal(
new StreamSource(sr), Book.class);
//Start working with object
Book book = b.getValue();
System.console().printf("Title: %s", book.getTitle());
} catch (JAXBException ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
}
}
private static String getBookXml(){
return "<com.soacookbook.ch02.xstream.Book>" +
"<title>On Friendship</title>" +
"<price>39.95</price>" + //etc...
