ext/javax.mail.mbox/src/com/sun/mail/remote/RemoteInbox.java

   1 /*
   2  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v. 2.0, which is available at
   6  * http://www.eclipse.org/legal/epl-2.0.
   7  *
   8  * This Source Code may also be made available under the following Secondary
   9  * Licenses when the conditions for such availability set forth in the
  10  * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
  11  * version 2 with the GNU Classpath Exception, which is available at
  12  * https://www.gnu.org/software/classpath/license.html.
  13  *
  14  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  15  */
  16
  17 package com.sun.mail.remote;
  18
  19 import javax.mail.*;
  20 import com.sun.mail.mbox.*;
  21
  22 /**
  23  * A remote Inbox folder.  The data is actually managed by our subclass
  24  * (<code>MboxFolder</code>).  We fetch data from the remote Inbox and
  25  * add it to the local Inbox.
  26  *
  27  * @author Bill Shannon
  28  */
  29
  30 public class RemoteInbox extends MboxFolder {
  31
  32     private RemoteStore mstore;
  33
  34     protected RemoteInbox(RemoteStore store, String name) {
  35         super(store, name);
  36         this.mstore = store;
  37     }
  38
  39     /**
  40      * Poll the remote store for any new messages.
  41      */
  42     public synchronized boolean hasNewMessages() {
  43         try {
  44             mstore.updateInbox();
  45         } catch (MessagingException ex) {
  46             // ignore it
  47         }
  48         return super.hasNewMessages();
  49     }
  50
  51     /**
  52      * Open the folder in the specified mode.
  53      * Poll the remote store for any new messages first.
  54      */
  55     public synchronized void open(int mode) throws MessagingException {
  56         mstore.updateInbox();
  57         super.open(mode);
  58     }
  59
  60     /**
  61      * Return the number of messages in this folder.
  62      * Poll the remote store for any new messages first.
  63      */
  64     public synchronized int getMessageCount() throws MessagingException {
  65         mstore.updateInbox();
  66         return super.getMessageCount();
  67     }
  68 }