1 /*
2 * Copyright (c) 2002-2021, City of 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.plugins.blog.service;
35
36 import javax.servlet.http.HttpSession;
37
38 import fr.paris.lutece.plugins.blog.business.Blog;
39 import fr.paris.lutece.portal.service.util.AppLogService;
40
41 /**
42 * This Service manages document actions (create, move, delete, validate ...) and notify listeners.
43 */
44 public class BlogServiceSession
45 {
46
47 private static BlogServiceSessionlogServiceSession.html#BlogServiceSession">BlogServiceSession _singleton = new BlogServiceSession( );
48 private static final String SESSION_BLOG = "blog.serviceblog";
49
50 /**
51 * Get the unique instance of the service
52 *
53 * @return The unique instance
54 */
55 public static BlogServiceSession getInstance( )
56 {
57 return _singleton;
58 }
59
60 /**
61 * Save an blog in the session of the user
62 *
63 * @param session
64 * The session
65 * @param blog
66 * The blog to save
67 */
68 public void saveBlogInSession( HttpSession session, Blog blog )
69 {
70 try
71 {
72
73 session.setAttribute( SESSION_BLOG + blog.getId( ), blog );
74
75 }
76 catch( IllegalStateException e )
77 {
78
79 AppLogService.error( e.getMessage( ), e );
80 BlogSessionListner.remove( session.getId( ) );
81 }
82 }
83
84 /**
85 * Get the current blog form from the session
86 *
87 * @param session
88 * The session of the user
89 * @param blog
90 * @return The blog form
91 */
92 public Blogtece/plugins/blog/business/Blog.html#Blog">Blog getBlogFromSession( HttpSession session, Blog blog )
93 {
94
95 try
96 {
97 return (Blog) session.getAttribute( SESSION_BLOG + blog.getId( ) );
98
99 }
100 catch( IllegalStateException e )
101 {
102
103 AppLogService.error( e.getMessage( ), e );
104 BlogSessionListner.remove( session.getId( ) );
105 return null;
106 }
107 }
108
109 /**
110 * Get the current blog form from the session
111 *
112 * @param session
113 * The session of the user
114 * @param nIdBlog
115 * @return The blog post
116 */
117 public Blog getBlogFromSession( HttpSession session, int nIdBlog )
118 {
119 try
120 {
121
122 return (Blog) session.getAttribute( SESSION_BLOG + nIdBlog );
123
124 }
125 catch( IllegalStateException e )
126 {
127
128 AppLogService.error( e.getMessage( ), e );
129 BlogSessionListner.remove( session.getId( ) );
130 return null;
131 }
132 }
133
134 /**
135 * Remove any blog form responses stored in the session of the user
136 *
137 * @param session
138 * The session
139 * @param blog
140 */
141 public void removeBlogFromSession( HttpSession session, Blog blog )
142 {
143 try
144 {
145
146 session.removeAttribute( SESSION_BLOG + blog.getId( ) );
147
148 }
149 catch( IllegalStateException e )
150 {
151
152 AppLogService.error( e.getMessage( ), e );
153 BlogSessionListner.remove( session.getId( ) );
154 }
155 }
156
157 /**
158 * Remove any blog form responses stored in the session of the user
159 *
160 * @param session
161 * The session
162 * @param idBlog
163 */
164 public void removeBlogFromSession( HttpSession session, int idBlog )
165 {
166 try
167 {
168
169 session.removeAttribute( SESSION_BLOG + idBlog );
170
171 }
172 catch( IllegalStateException e )
173 {
174
175 AppLogService.error( e.getMessage( ), e );
176 BlogSessionListner.remove( session.getId( ) );
177 }
178 }
179
180 }