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Java > Open Source Codes > org > dspace > app > webui > servlet > admin > LicenseEditServlet


1 /*
2  * LicenseEditServlet.java
3  *
4  * Version: $Revision$
5  *
6  * Date: $Date$
7  *
8  * Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
9  * Institute of Technology. All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions are
13  * met:
14  *
15  * - Redistributions of source code must retain the above copyright
16  * notice, this list of conditions and the following disclaimer.
17  *
18  * - Redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution.
21  *
22  * - Neither the name of the Hewlett-Packard Company nor the name of the
23  * Massachusetts Institute of Technology nor the names of their
24  * contributors may be used to endorse or promote products derived from
25  * this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
33  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
34  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
35  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
38  * DAMAGE.
39  */
40 package org.dspace.app.webui.servlet.admin;
41
42 import java.io.IOException JavaDoc;
43 import java.sql.SQLException JavaDoc;
44
45 import javax.servlet.ServletException JavaDoc;
46 import javax.servlet.http.HttpServletRequest JavaDoc;
47 import javax.servlet.http.HttpServletResponse JavaDoc;
48
49 import org.apache.log4j.Logger;
50 import org.dspace.app.webui.servlet.DSpaceServlet;
51 import org.dspace.app.webui.util.JSPManager;
52 import org.dspace.app.webui.util.UIUtil;
53 import org.dspace.authorize.AuthorizeException;
54 import org.dspace.core.ConfigurationManager;
55 import org.dspace.core.Context;
56
57 /**
58  * Servlet for editing the default license
59  *
60  * @author Stuart Lewis
61  */
62 public class LicenseEditServlet extends DSpaceServlet
63 {
64     /** The logger */
65     private static Logger log = Logger.getLogger(LicenseEditServlet.class);
66
67     /**
68      * Handle GET requests. This does nothing but forwards
69      * the request on to the POST handler.
70      */
71     protected void doDSGet(Context c, HttpServletRequest JavaDoc request,
72             HttpServletResponse JavaDoc response) throws ServletException JavaDoc, IOException JavaDoc,
73             SQLException JavaDoc, AuthorizeException
74     {
75         // Forward on to the post handler
76 this.doDSPost(c, request, response);
77     }
78
79     /**
80      * Handle the POST requests.
81      */
82     protected void doDSPost(Context c, HttpServletRequest JavaDoc request,
83             HttpServletResponse JavaDoc response) throws ServletException JavaDoc, IOException JavaDoc,
84             SQLException JavaDoc, AuthorizeException
85     {
86         //Get submit button
87 String JavaDoc button = UIUtil.getSubmitButton(request, "submit");
88
89         if (button.equals("submit_cancel"))
90         {
91             // Show main admin index
92 JSPManager.showJSP(request, response, "/dspace-admin/index.jsp");
93         }
94         else if (!button.equals("submit_save"))
95         {
96             // Get the existing text from the ConfigurationManager
97 String JavaDoc license = ConfigurationManager.getDefaultSubmissionLicense();
98
99             // Pass the existing license back to the JSP
100 request.setAttribute("license", license);
101
102             // Show edit page
103 JSPManager.showJSP(request, response, "/dspace-admin/license-edit.jsp");
104         }
105         else
106         {
107             // Get text string from form
108 String JavaDoc license = (String JavaDoc)request.getParameter("license");
109
110             // Is the license empty?
111 if (license.trim().equals(""))
112             {
113                 // Get the existing text from the ConfigurationManager
114 license = ConfigurationManager.getDefaultSubmissionLicense();
115
116                 // Pass the existing license back to the JSP
117 request.setAttribute("license", license);
118                 
119                 // Pass the 'empty' message back
120 request.setAttribute("empty", "true");
121
122                 // Show edit page
123 JSPManager.showJSP(request, response, "/dspace-admin/license-edit.jsp");
124             }
125             else
126             {
127                 // Write the string out to file
128 ConfigurationManager.writeLicenseFile(license);
129     
130                 // Pass the existing license back to the JSP
131 request.setAttribute("license", license);
132                 
133                 // Pass the 'edited' message back
134 request.setAttribute("edited", "true");
135                 
136                 // Show edit page
137 JSPManager.showJSP(request, response, "/dspace-admin/license-edit.jsp");
138             }
139         }
140     }
141 }
142
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