domecho01.java

XML_JAVA指南 书籍语言： 简体中文 书籍类型： 程序设计 授权方式： 免费软件 书籍大小： 377 KB

/*
 * @(#)DomEcho01.java	1.9 98/11/10
 *
 * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

import javax.xml.parsers.DocumentBuilderFactory;  
import javax.xml.parsers.FactoryConfigurationError;  
import javax.xml.parsers.ParserConfigurationException;
 
import javax.xml.parsers.DocumentBuilder;  
import org.xml.sax.SAXException;  
import org.xml.sax.SAXParseException;  

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

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

// For write() operation
import com.sun.xml.tree.XmlDocument;  
public class DomEcho01{
    // Global value so it can be ref'd by the tree-adapter
    static Document document; 

    public static void main (String argv [])
    {
        if (argv.length != 1) {
            System.err.println ("Usage: java DomEcho filename");
            System.exit (1);
        }

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

           // Cast to XmlDocument for write() operation
           // (Not defined until DOM Level 3.)
           XmlDocument xdoc = (XmlDocument) document;
           xdoc.write (System.out);

        } 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 by this application
           // (or a parser-initialization error)
           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();
        }

    } // main

}