LogManager


1   /*
2    * LogManager.java
3    *
4    * Version: $Revision: 1.9 $
5    *
6    * Date: $Date: 2005/04/20 14:23:18 $
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.core;
41  
42  import org.dspace.eperson.EPerson;
43  
44  /**
45   * Class for generating standard log header
46   * 
47   * @author David Stuve
48   * @author Robert Tansley
49   * @version $Revision: 1.9 $
50   */
51  public class LogManager
52  {
53      /**
54       * Generate the log header
55       * 
56       * @param context
57       *            the current Context - safe to pass in <code>null</code>
58       * @param action
59       *            string describing the action
60       * @param extrainfo
61       *            string with extra information, like parameters
62       * 
63       * @return the filled out log header
64       */
65      public static String   getHeader(Context context, String   action,
66              String   extrainfo)
67      {
68          String   email = "anonymous";
69          String   contextExtraInfo;
70  
71          if (context != null)
72          {
73              EPerson e = context.getCurrentUser();
74  
75              if (e != null)
76              {
77                  email = e.getEmail();
78              }
79  
80              contextExtraInfo = context.getExtraLogInfo();
81          }
82          else
83          {
84              contextExtraInfo = "no_context";
85          }
86  
87          String   result = new String  (email + ":" + contextExtraInfo + ":"
88                  + action + ":" + extrainfo);
89  
90          return result;
91      }
92  }
93
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