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1   /*
2   Wotonomy: OpenStep design patterns for pure Java applications.
3   Copyright (C) 2000 Blacksmith, Inc.
4   
5   This library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9   
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  Lesser General Public License for more details.
14  
15  You should have received a copy of the GNU Lesser General Public
16  License along with this library; if not, see http://www.gnu.org
17  */
18  
19  package net.wotonomy.web;
20  
21  import java.util.List;
22  
23  /***
24  * A pure java implementation of WOMailDelivery.
25  *
26  * @author michael@mpowers.net
27  * @author $Author: cgruber $
28  * @version $Revision: 905 $
29  */
30  public abstract class WOMailDelivery
31  {
32  	private static WOMailDelivery sharedInstance;
33  	
34      protected WOMailDelivery ()
35      {
36      }
37  
38      public static WOMailDelivery sharedInstance ()
39      {
40      	if ( sharedInstance == null )
41  	    {
42  //	    	sharedInstance = new WOMailDelivery();
43  	    }
44  	    return sharedInstance;
45      }
46      
47      public abstract String composePlainTextEmail (
48      	String aSender, List aToList, List aCcList, 
49  	    String aSubject, String aMessage, boolean sendImmediately );
50      public abstract String composeComponentEmail (    	
51      	String aSender, List aToList, List aCcList, 
52  	    String aSubject, WOComponent aComponent, boolean sendImmediately );
53      public abstract void sendEmail (String aMailMessage);
54  }