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/**
* Author: Sekhar Vajjhala
*
* $Id: Main.java,v 1.1 2007-12-05 00:49:36 kohsuke Exp $
*/
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
public class Main {
public static void main( String[] args ) {
try {
/**
* Create a JAXBContext passing it a list of classes to be
* marshalled.
*/
JAXBContext jc = JAXBContext.newInstance(PurchaseOrder.class, USAddress.class, Address.class);
// create a USAddress
USAddress addr = new USAddress();
addr.name = "Alice Smith";
addr.street = "123 Maple Street";
addr.city = "Mill Valley";
addr.state = "CA";
addr.zip = 90952;
// create a po type;
PurchaseOrder po = new PurchaseOrder();
po.shipTo = addr;
// create a Marshaller
Marshaller m = jc.createMarshaller();
m.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, true );
// marshall the address
System.out.println(".... Marshal USAddress ....");
m.marshal(addr, System.out );
/**
* OBSERVATIONS:
* a. the following print statement needed since Marshaller
* output does not contain a terminating new line
* character.
*/
System.out.println("");
/**
* Marshall the purchase order.
*
* OBSERVATIONS:
* a. Initially, I forgot to add the PurchaseOrder to
* the list of classes in JAXBContext. So, when passed
* to the marshal method, this resulted in an
* exception.
* Exception in thread "main"
* java.lang.IllegalArgumentException: PurchaseOrder nor
* any of its super class is known to this context
*
* I knew "not being known to this context" means that
* the class has to be specified in the
* JAXBContext. Would a newbie JAXB 2.0 be able to
* figure that out ?
*
* b. If a type is not known at runtime, then an
* alternative to throwing an exception is to
* use reflection to marshal the type. Castor uses this
* approach.
*/
System.out.println(".... Marshal PurchaseOrder (USAddress type with xsi type)....");
m.marshal(po, System.out );
// following print statement needed to insert a new line character.
System.out.println("");
} catch( JAXBException je ) {
je.printStackTrace();
}
}
}