/*
 * (C) Copyright IBM Corp. 1999,2000,2001  All rights reserved.
 *
 * US Government Users Restricted Rights Use, duplication or
 * disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 * The program is provided "as is" without any warranty express or
 * implied, including the warranty of non-infringement and the implied
 * warranties of merchantibility and fitness for a particular purpose.
 * IBM will not be liable for any damages suffered by you as a result
 * of using the Program. In no event will IBM be liable for any
 * special, indirect or consequential damages or lost profits even if
 * IBM has been advised of the possibility of their occurrence. IBM
 * will not be liable for any third party claims against you.
 */

package domhash;

import com.ibm.xml.sax.DigestFilter;
import com.ibm.xml.sax.NamespaceAdapter;
import com.ibm.xml.sax.StandardErrorHandler;
import java.io.PrintWriter;
import java.security.MessageDigest;
import org.apache.xerces.parsers.SAXParser;

/**
 * Prints MD5 digest value of the root element of specified XML document.
 *
 * @version $Id: SAXDigestTest.java,v 1.1 2001/04/19 02:56:56 kent Exp $
 * @author TAMURA Kent <kent@trl.ibm.co.jp>
 */
public class SAXDigestTest {
    public static void main(String[] argv) throws Exception {
        String systemId = argv[0];

        SAXParser saxp = new SAXParser();
        NamespaceAdapter nsa = new NamespaceAdapter(saxp);
        DigestFilter digest = new DigestFilter(MessageDigest.getInstance("MD5"));
        digest.setNextDocumentHandler(new NSDocumentHandlerDebug());
        nsa.setDocumentHandler(digest);
        nsa.setErrorHandler(new StandardErrorHandler());
        System.err.println("Parse: "+systemId);
        nsa.parse(systemId);

        System.out.print("\nMD5 digest value of the root element: ");
        System.out.flush();
        PrintWriter pw = new PrintWriter(System.out);
        DigestFilter.printByteArray(pw, digest.getDigest());
        pw.close();
    }
}