httputilities.java

一个用java写的mail.里面的代码值得我们去研究！学习。

/*
** $Id: HTTPUtilities.java,v 1.3 2001/05/07 12:34:45 kunugi Exp $
**
** Copyright (c) 2000-2001 Jeff Gay
** on behalf of ICEMail.org <http://www.icemail.org>
** Copyright (c) 1998-2000 by Timothy Gerard Endres
** 
** This program is free software.
** 
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE. 
*/

package org.icemail.util;

import java.util.NoSuchElementException;
import java.util.StringTokenizer;


public class HTTPUtilities
{
  //
  // HTTP/1.0 200 OK
  //
  static public String[]
  parseStatusLine( String statusLine ) {
    StringTokenizer toker = new StringTokenizer( statusLine, " \t" );

    int count = toker.countTokens();
    String[] result = new String[count];

    for ( int i = 0 ; i < count ; ++i ) {
      try {
        result[i] = toker.nextToken();
      } catch ( NoSuchElementException ex ) {
        break;
      }
    }

    return result;
  }

  static public String
  getResultCode( String statusLine ) {
    String[] tokes = HTTPUtilities.parseStatusLine( statusLine );

    if ( tokes.length > 1 )
      return tokes[1];
    else
      return null;
  }

}