/**
 * $Id: UsingJAXBTest3.java,v 1.1 2003/01/01 03:18:32 bhakti Exp $
 * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 */

package test.jaxb;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.Validator;
import java.io.File;
import java.io.FileOutputStream;
import java.util.List;


/** 
  * This shows how to use JAXB to update the unmarshalled content tree 
  * then marshal it back to xml document
  */

public class UsingJAXBTest3 {

    public static void main (String args[]) {
        try {
            JAXBContext jc = JAXBContext.newInstance("test.jaxb");
            ObjectFactory objFactory = new ObjectFactory();

            Unmarshaller unmarshaller = jc.createUnmarshaller();
            unmarshaller.setValidating(true);

            Marshaller marshaller = jc.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT ,
                new Boolean(true));

            Validator validator = jc.createValidator();

            Collection collection= (Collection)
                     unmarshaller.unmarshal(new File( "books.xml"));

            CollectionType.BooksType booksType = collection.getBooks();
            List bookList = booksType.getBook();

            for( int i = 0; i < bookList.size();i++ ) {
               test.jaxb.BookType book =(test.jaxb.BookType) bookList.get(i);

               if ( book.getISBN()==522965L) {
                   BookType.PromotionType promotionType = objFactory.
                        createBookTypePromotionType();
                   promotionType.setDiscount("Spring Sale! Save 30% on all purchases");
                   book.setPromotion(promotionType);

                   System.out.println("Updated the Book promotion for \""+ 
                     book.getName().trim()  +"\" to \n\"" + book.getPromotion().
                         getDiscount().trim()+"\"");
               

               }

            }
            System.out.println("\nValidator returned: " +
                validator.validate(collection)+" after changing the promotion");

            System.out.println("See output in jaxbOutput3.xml");
            marshaller.marshal(collection,
                  new FileOutputStream("jaxbOutput3.xml"));



       }catch (Exception e ) {
         e.printStackTrace();
       }
    }
}