001/* 002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Alexandre Russel 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.platform.mail.action; 021 022import javax.mail.Folder; 023import javax.mail.Message; 024import javax.mail.MessagingException; 025 026/** 027 * @author Alexandre Russel 028 */ 029public class Visitor { 030 031 private final MessageActionPipe pipe; 032 033 public Visitor(MessageActionPipe pipe) { 034 this.pipe = pipe; 035 } 036 037 public void visit(Folder folder) throws MessagingException { 038 visit(folder, null); 039 } 040 041 /** 042 * Visit every message of given folder and every message of its subfolders. 043 * 044 * @param folder 045 * @param initialContext context variables passed to each execution context 046 */ 047 public void visit(Folder folder, ExecutionContext initialContext) throws MessagingException { 048 for (Message message : folder.getMessages()) { 049 ExecutionContext context = new ExecutionContext(message, initialContext); 050 for (MessageAction action : pipe) { 051 action.reset(context); 052 boolean result = action.execute(context); 053 if (!result) { 054 break; 055 } 056 } 057 } 058 Folder[] folders = {}; 059 try { 060 folders = folder.list(); 061 } catch (MessagingException e) { 062 // do, nothing, list() not implemented. 063 } 064 for (Folder f : folders) { 065 visit(f, initialContext); 066 } 067 } 068 069 /** 070 * Visit given messages 071 * 072 * @param messages 073 * @param initialContext context variables passed to each execution context 074 */ 075 public void visit(Message[] messages, ExecutionContext initialContext) throws MessagingException { 076 for (Message message : messages) { 077 ExecutionContext context = new ExecutionContext(message, initialContext); 078 for (MessageAction action : pipe) { 079 action.reset(context); 080 boolean result = action.execute(context); 081 if (!result) { 082 break; 083 } 084 } 085 } 086 } 087 088}