domexample.java

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/*
 * Copyright (c) 2003 Sun Microsystems, Inc.  All rights reserved.  U.S.
 * Government Rights - Commercial software.  Government users are subject
 * to the Sun Microsystems, Inc. standard license agreement and
 * applicable provisions of the FAR and its supplements.  Use is subject
 * to license terms.
 *
 * This distribution may include materials developed by third parties.
 * Sun, Sun Microsystems, the Sun logo, Java and J2EE are trademarks
 * or registered trademarks of Sun Microsystems, Inc. in the U.S. and
 * other countries.
 *
 * Copyright (c) 2003 Sun Microsystems, Inc. Tous droits reserves.
 *
 * Droits du gouvernement americain, utilisateurs gouvernementaux - logiciel
 * commercial. Les utilisateurs gouvernementaux sont soumis au contrat de
 * licence standard de Sun Microsystems, Inc., ainsi qu'aux dispositions
 * en vigueur de la FAR (Federal Acquisition Regulations) et des
 * supplements a celles-ci.  Distribue par des licences qui en
 * restreignent l'utilisation.
 *
 * Cette distribution peut comprendre des composants developpes par des
 * tierces parties. Sun, Sun Microsystems, le logo Sun, Java et J2EE
 * sont des marques de fabrique ou des marques deposees de Sun
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */
import javax.xml.parsers.DocumentBuilder; 
import javax.xml.parsers.DocumentBuilderFactory;  
import javax.xml.parsers.FactoryConfigurationError;  
import javax.xml.parsers.ParserConfigurationException;

import javax.xml.soap.*;
 
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;  

import java.io.File;
import java.io.IOException;

import java.util.*;

import org.w3c.dom.Document;
import org.w3c.dom.DOMException;
import org.w3c.dom.NodeList;

public class DOMExample {
    static Document document;

    public static void main(String args[])
    {
        if (args.length != 1) {
          System.err.println("Argument required: "+
              "-Dxml-file=<filename>");
          System.exit(1);
        }
        
        DOMExample de = new DOMExample();

        document = null;
        DocumentBuilderFactory factory =
            DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        try {
           DocumentBuilder builder = 
               factory.newDocumentBuilder();
           document = builder.parse( new File(args[0]) );

        } catch (SAXParseException spe) {
           // Error generated by the parser
           System.out.println("\n** Parsing error"
              + ", line " + spe.getLineNumber()
              + ", uri " + spe.getSystemId());
           System.out.println("   " + spe.getMessage() );

           // Use the contained exception, if any
           Exception  x = spe;
           if (spe.getException() != null)
               x = spe.getException();
           x.printStackTrace();
 
        } catch (SAXException sxe) {
           // Error generated during parsing)
           Exception  x = sxe;
           if (sxe.getException() != null)
               x = sxe.getException();
           x.printStackTrace();

        } catch (ParserConfigurationException pce) {
            // Parser with specified options can't be built
            pce.printStackTrace();

        } catch (IOException ioe) {
           // I/O error
           ioe.printStackTrace();
        }
        
        try {
            // Create message factory and SOAP factory
            MessageFactory messageFactory = 
                MessageFactory.newInstance();
            SOAPFactory soapFactory = 
                SOAPFactory.newInstance();

            // Create a message
            SOAPMessage message = 
                messageFactory.createMessage();
            
            // Get the SOAP header from the message and remove it
            SOAPHeader header = message.getSOAPHeader();
            header.detachNode();
            
            // Get the SOAP body from the message
            SOAPBody body = message.getSOAPBody();

            // Add the DOM document to the message body
            SOAPBodyElement docElement = 
                body.addDocument(document);
            
            message.saveChanges();
                        
            // Get contents using SAAJ APIs
            
            Iterator iter1 = body.getChildElements();
            de.getContents(iter1, "");
        } catch (Exception ex) {
            ex.printStackTrace();
        }

    } // main

    /*
     * Retrieves the contents of the elements recursively and
     * displays them.
     *
     * @param iterator	Iterator returned by getChildElements
     * @param indent	indentation to nest element display
     */
    public void getContents(Iterator iterator, 
        String indent) {

        while (iterator.hasNext()) {
            Node node = (Node) iterator.next();
            SOAPElement element = null;
            Text text = null;
            if (node instanceof SOAPElement) {
                element = (SOAPElement)node;
                Name name = element.getElementName();
                System.out.println(indent + "Name is " + 
                    name.getQualifiedName());
                Iterator attrs = element.getAllAttributes();
                while (attrs.hasNext()){
                    Name attrName = (Name)attrs.next();
                    System.out.println(indent + 
                        " Attribute name is " + 
                        attrName.getQualifiedName());
                    System.out.println(indent + 
                        " Attribute value is " + 
                        element.getAttributeValue(attrName));
                }
                Iterator iter2 = element.getChildElements();
                getContents(iter2, indent + " ");
            } else {
                text = (Text) node;
                String content = text.getValue();
                System.out.println(indent + 
                    "Content is: " + content);
            }
        }
    }
}