1 /*
2 * Scope: a generic MVC framework.
3 * Copyright (c) 2000-2002, The Scope team
4 * All rights reserved.
5 *
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * Neither the name "Scope" nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 *
36 * $Id: LoginManager.java,v 1.3 2002/09/05 15:41:48 ludovicc Exp $
37 */
38 package samples.servlet.xml.login;
39
40
41 import java.util.HashMap;
42 import javax.servlet.http.HttpServletRequest;
43 import javax.servlet.http.HttpSession;
44 import org.scopemvc.controller.basic.ViewContext;
45 import org.scopemvc.controller.servlet.ServletContext;
46
47 /***
48 * <P>
49 *
50 * Session handling related to login. Simple impl with no roles etc: users are
51 * either logged in or not. Simple! </P>
52 *
53 * @author <A HREF="mailto:smeyfroi@users.sourceforge.net">Steve Meyfroidt</A>
54 * @created 05 September 2002
55 * @version $Revision: 1.3 $ $Date: 2002/09/05 15:41:48 $
56 */
57 public class LoginManager {
58
59 private final static String LOGGED_IN = "LoggedIn";
60 private final static String REDIRECT = "Redirect";
61
62
63 /***
64 * Gets the logged in
65 *
66 * @return The loggedIn value
67 */
68 public static boolean isLoggedIn() {
69 HttpServletRequest request = ((ServletContext) ViewContext.getViewContext()).getHttpRequest();
70 HttpSession session = request.getSession(false);
71 if (session != null && session.getAttribute(LOGGED_IN) != null) {
72 return true;
73 }
74 return false;
75 }
76
77
78 /***
79 * Gets the redirect
80 *
81 * @return The redirect value
82 */
83 public static HashMap getRedirect() {
84 HttpServletRequest request = ((ServletContext) ViewContext.getViewContext()).getHttpRequest();
85 HttpSession session = request.getSession(true);
86 return (HashMap) session.getAttribute(REDIRECT);
87 }
88
89
90 /***
91 * TODO: document the method
92 */
93 public static void logIn() {
94 HttpServletRequest request = ((ServletContext) ViewContext.getViewContext()).getHttpRequest();
95 HttpSession session = request.getSession(true);
96 session.setAttribute(LOGGED_IN, new Object());
97 }
98
99
100 /***
101 * TODO: document the method
102 */
103 public static void saveRedirect() {
104 HttpServletRequest request = ((ServletContext) ViewContext.getViewContext()).getHttpRequest();
105 HttpSession session = request.getSession(true);
106 HashMap parameters = ((ServletContext) ViewContext.getViewContext()).getFormParameters();
107 session.setAttribute(REDIRECT, parameters);
108 }
109 }
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