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Java > Open Source Codes > com > sslexplorer > navigation > actions > CompleteFileDownloadAction


1 /*
2  * SSL-Explorer
3  *
4  * Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  */
19             
20 package com.sslexplorer.navigation.actions;
21
22 import javax.servlet.http.HttpServletRequest JavaDoc;
23 import javax.servlet.http.HttpServletResponse JavaDoc;
24
25 import org.apache.commons.logging.Log;
26 import org.apache.commons.logging.LogFactory;
27 import org.apache.struts.action.ActionForm;
28 import org.apache.struts.action.ActionForward;
29 import org.apache.struts.action.ActionMapping;
30
31 import com.sslexplorer.core.CoreUtil;
32 import com.sslexplorer.core.DownloadContent;
33 import com.sslexplorer.core.FileDownloadPageInterceptListener;
34 import com.sslexplorer.core.actions.DefaultAction;
35 import com.sslexplorer.security.LogonControllerFactory;
36 import com.sslexplorer.security.SessionInfo;
37
38 /**
39  * <p>Action invoked when the user clicks on the <strong>Close</strong> button
40  * after a file download has completed.
41  *
42  * <p>The queued download is removed at this point and the file may not be
43  * downloaded again.
44  */
45
46 public class CompleteFileDownloadAction extends DefaultAction {
47     final static Log log = LogFactory.getLog(CompleteFileDownloadAction.class);
48
49         /* (non-Javadoc)
50          * @see com.sslexplorer.core.actions.DefaultAction#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
51          */
52         public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
53                     throws Exception JavaDoc {
54         String JavaDoc id = request.getParameter("id");
55         if (id == null) {
56             return mapping.findForward("failed");
57         }
58         FileDownloadPageInterceptListener l = (FileDownloadPageInterceptListener) CoreUtil.getPageInterceptListenerById(request
59                         .getSession(), FileDownloadPageInterceptListener.INTERCEPT_ID);
60         if (l != null) {
61             DownloadContent download = l.getDownload(Integer.parseInt(id));
62             if(download == null) {
63                 log.warn("Expected download " + id + " to be available but it wasn't");
64                 return mapping.findForward("failed");
65             }
66             else {
67                 download.completeDownload(LogonControllerFactory.getInstance().getSessionInfo(request));
68                 l.removeDownload(download.getId());
69                 if(l.size() == 0) {
70                     CoreUtil.removePageInterceptListener(request.getSession(), l);
71                 }
72                 ActionForward fwd = download.getForward();
73                 if(fwd != null) {
74                     return fwd;
75                 }
76             }
77         }
78         return mapping.findForward("success");
79     }
80
81     /* (non-Javadoc)
82      * @see com.sslexplorer.core.actions.CoreAction#getNavigationContext(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
83      */
84     public int getNavigationContext(ActionMapping mapping, ActionForm form, HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response) {
85         return SessionInfo.ALL_CONTEXTS;
86     }
87     
88 }
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