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import java.io.FileInputStream;
import java.io.IOException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
// import java content classes generated by binding compiler
import org.example.*;
import extend.TravelTypeExtend;
/*
* $Id: Main.java,v 1.1 2007-12-05 00:49:39 kohsuke Exp $
*/
public class Main {
// This sample application demonstrates how to modify a java content
// tree and marshal it back to a xml data
public static void main( String[] args ) {
final boolean enlightened = true;
try {
// create a JAXBContext capable of handling classes generated into
// the org.example package
JAXBContext jc = JAXBContext.newInstance( "org.example" );
// create an Unmarshaller
Unmarshaller u = jc.createUnmarshaller();
// unmarshal a po instance document into a tree of Java content
// objects composed of classes from the primer.po package.
Itinerary it =
(Itinerary)u.unmarshal( new FileInputStream( "itinerary.xml" ) );
ObjectFactory of = new ObjectFactory();
java.util.Iterator iter = it.getTravel().listIterator();
if (enlightened) {
System.out.println("Process references using polymorphic method");
} else {
System.out.println("Process references using forest of if-then-else :(");
}
for(int i=1; iter.hasNext(); i++) {
// Travel Entry Header
System.out.println("****************************");
System.out.println("[" + i + "]");
// Process travel entry
TravelType travel = (TravelType)iter.next();
if (enlightened) {
((TravelTypeExtend)travel).printTravelSummary();
Marshaller m = jc.createMarshaller();
m.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE );
m.marshal( travel, System.out );
} else {
// Proceed down the forest of Ifs-then-elses.
System.out.println("Origin=" + travel.getOrigin());
System.out.println("Destination=" + travel.getDestination());
if (travel instanceof Plane) {
Plane planet= (Plane)travel;
System.out.println("Flight Number: " +
planet.getFlightNumber());
System.out.println("Meal: " + planet.getMeal());
} else if (travel instanceof Auto) {
Auto auto= (Auto)travel;
System.out.println("Rental Agency:" + auto.getRentalAgency());
System.out.println("Rate Per Hour:" + auto.getRatePerHour());
} else if (travel instanceof Train) {
Train train= (Train)travel;
System.out.println("Track: " + train.getTrack());
System.out.println("Schedule# " +
train.getDailyScheduleNumber());
}
}
// Travel Entry footer
System.out.println("****************************");
System.out.println();
}
// create a Marshaller and marshal to a file
Marshaller m = jc.createMarshaller();
m.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE );
m.marshal( it, System.out );
} catch( JAXBException je ) {
je.printStackTrace();
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
}