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Java > Open Source Codes > org > dspace > app > webui > servlet > OpenURLServlet


1 /*
2  * OpenURLServlet.java
3  *
4  * Version: $Revision: 1.5 $
5  *
6  * Date: $Date: 2005/04/20 14:22:36 $
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;
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.authorize.AuthorizeException;
51 import org.dspace.core.Context;
52 import org.dspace.core.LogManager;
53
54 /**
55  * Simple servlet for open URL support. Presently, simply extracts terms from
56  * open URL and redirects to search.
57  *
58  * @author Robert Tansley
59  * @version $Revision: 1.5 $
60  */
61 public class OpenURLServlet extends DSpaceServlet
62 {
63     /** Logger */
64     private static Logger log = Logger.getLogger(OpenURLServlet.class);
65
66     protected void doDSGet(Context context, HttpServletRequest JavaDoc request,
67             HttpServletResponse JavaDoc response) throws ServletException JavaDoc, IOException JavaDoc,
68             SQLException JavaDoc, AuthorizeException
69     {
70         String JavaDoc query = "";
71
72         // Extract open URL terms. Note: assume no repetition
73 String JavaDoc title = request.getParameter("title");
74         String JavaDoc authorFirst = request.getParameter("aufirst");
75         String JavaDoc authorLast = request.getParameter("aulast");
76
77         String JavaDoc logInfo = "";
78
79         if (title != null)
80         {
81             query = query + " " + title;
82             logInfo = logInfo + "title=\"" + title + "\",";
83         }
84
85         if (authorFirst != null)
86         {
87             query = query + " " + authorFirst;
88             logInfo = logInfo + "aufirst=\"" + authorFirst + "\",";
89         }
90
91         if (authorLast != null)
92         {
93             query = query + " " + authorLast;
94             logInfo = logInfo + "aulast=\"" + authorLast + "\",";
95         }
96
97         log.info(LogManager.getHeader(context, "openURL", logInfo
98                 + "dspacequery=" + query));
99
100         response.sendRedirect(response.encodeRedirectURL(request
101                 .getContextPath()
102                 + "/simple-search?query=" + query));
103     }
104
105     protected void doDSPost(Context context, HttpServletRequest JavaDoc request,
106             HttpServletResponse JavaDoc response) throws ServletException JavaDoc, IOException JavaDoc,
107             SQLException JavaDoc, AuthorizeException
108     {
109         // Same as a GET
110 doDSGet(context, request, response);
111     }
112 }
113
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