pjs/grendel/storage/FolderExtraFactory.java

58 строки
1.8 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1997
* Netscape Communications Corporation. All Rights Reserved.
*
* Created: Terry Weissman <terry@netscape.com>, 28 Oct 1997.
*/
package grendel.storage;
import calypso.util.Assert;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.MessagingException;
/** If you want to call any of the FolderExtra methods on a Folder, you
should get the FolderExtra object using this call. Some Folder objects
will implement that interface directly; the rest need to have them
painfully computed. */
public class FolderExtraFactory {
static public FolderExtra Get(Folder f) {
if (f instanceof FolderExtra) return (FolderExtra) f;
return new FolderExtraWrapper(f);
}
}
class FolderExtraWrapper implements FolderExtra {
Folder f;
protected FolderExtraWrapper(Folder fold) {
f = fold;
}
public int getUndeletedMessageCount() {
try {
return f.getMessageCount(); // ### WRONG WRONG WRONG!
} catch (MessagingException e) {
} catch (IllegalStateException e) {
}
return -1;
}
}