1 /*
2 * Copyright (c) 2002-2014, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.portal.service.mail;
35
36 import java.util.ArrayList;
37 import java.util.List;
38
39
40 /**
41 * MemoryQueue
42 */
43 public class MemoryQueue implements IMailQueue
44 {
45 private List<MailItem> _listMails = new ArrayList<MailItem>( );
46
47 /**
48 * Put a mail item into the list of the queue
49 * @param item The mail item to add to the queue
50 */
51 public void send( MailItem item )
52 {
53 synchronized ( _listMails )
54 {
55 _listMails.add( item );
56 }
57 }
58
59 /**
60 * Get a mail item from the list and remove it from the queue
61 * @return The older mail item of the queue
62 */
63 public MailItem consume( )
64 {
65 MailItem item = null;
66
67 synchronized ( _listMails )
68 {
69 if ( _listMails.size( ) > 0 )
70 {
71 item = _listMails.get( 0 );
72 _listMails.remove( 0 );
73 }
74 }
75
76 return item;
77 }
78
79 /**
80 * get the MemoryQueue size
81 * @return the MemoryQueue size
82 */
83 public int size( )
84 {
85 return _listMails.size( );
86 }
87 }