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import org.xml.sax.XMLReader;
import primer.PurchaseOrderType;
import primer.PurchaseOrders;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.SAXParserFactory;
import java.io.File;
/*
* @(#)$Id: Main.java,v 1.1 2007-12-05 00:49:38 kohsuke Exp $
*/
public class Main {
public static void main( String[] args ) throws Exception {
// create JAXBContext for the primer.xsd
JAXBContext context = JAXBContext.newInstance("primer");
Unmarshaller unmarshaller = context.createUnmarshaller();
// purchase order notification callback
final PurchaseOrders.Listener orderListener = new PurchaseOrders.Listener() {
public void handlePurchaseOrder(PurchaseOrders purchaseOrders, PurchaseOrderType purchaseOrder) {
System.out.println("this order will be shipped to "
+ purchaseOrder.getShipTo().getName());
}
};
// install the callback on all PurchaseOrders instances
unmarshaller.setListener(new Unmarshaller.Listener() {
public void beforeUnmarshal(Object target, Object parent) {
if(target instanceof PurchaseOrders) {
((PurchaseOrders)target).setPurchaseOrderListener(orderListener);
}
}
public void afterUnmarshal(Object target, Object parent) {
if(target instanceof PurchaseOrders) {
((PurchaseOrders)target).setPurchaseOrderListener(null);
}
}
});
// create a new XML parser
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
XMLReader reader = factory.newSAXParser().getXMLReader();
reader.setContentHandler(unmarshaller.getUnmarshallerHandler());
for (String arg : args) {
// parse all the documents specified via the command line.
// note that XMLReader expects an URL, not a file name.
// so we need conversion.
reader.parse(new File(arg).toURI().toString());
}
}
}