main.java

来自「java 的关于web serive教程」· Java 代码 · 共 69 行

/*
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
 
import java.io.FileInputStream;
import java.io.IOException;
import java.math.BigDecimal;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;

// import java content classes generated by binding compiler
import primer.po.*;

/*
 * $Id: Main.java,v 1.1 2006/01/25 20:16:47 jendrock Exp $
 *
 * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
 
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 ) {
        try {
            // create a JAXBContext capable of handling classes generated into
            // the primer.po package
            JAXBContext jc = JAXBContext.newInstance( "primer.po" );
            
            // 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.
            JAXBElement poe = 
                (JAXBElement)u.unmarshal( new FileInputStream( "po.xml" ) );
	    PurchaseOrderType po = (PurchaseOrderType)poe.getValue();

            // change the billto address
            USAddress address = po.getBillTo();
            address.setName( "John Bob" );
            address.setStreet( "242 Main Street" );
            address.setCity( "Beverly Hills" );
            address.setState( "CA" );
            address.setZip( new BigDecimal( "90210" ) );
            
            // create a Marshaller and marshal to a file
            Marshaller m = jc.createMarshaller();
            m.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE );
            m.marshal( poe, System.out );
            
        } catch( JAXBException je ) {
            je.printStackTrace();
        } catch( IOException ioe ) {
            ioe.printStackTrace();
        }
    }
}