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1   /*
2    * Copyright (c) 2005 The University of Reading
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    * 1. Redistributions of source code must retain the above copyright
9    *    notice, this list of conditions and the following disclaimer.
10   * 2. Redistributions in binary form must reproduce the above copyright
11   *    notice, this list of conditions and the following disclaimer in the
12   *    documentation and/or other materials provided with the distribution.
13   * 3. Neither the name of the University of Reading, nor the names of the
14   *    authors or contributors may be used to endorse or promote products
15   *    derived from this software without specific prior written permission.
16   * 
17   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27   */
28  
29  package uk.ac.rdg.resc.jstyx.messages;
30  
31  import uk.ac.rdg.resc.jstyx.StyxUtils;
32  
33  /***
34   * Message sent to delete a file from a Styx server
35   *
36   * @author Jon Blower
37   * $Revision: 146 $
38   * $Date: 2005-03-15 09:01:48 +0000 (Tue, 15 Mar 2005) $
39   * $Log$
40   * Revision 1.4  2005/03/15 09:01:48  jonblower
41   * Message type now stored as short, not int
42   *
43   * Revision 1.3  2005/03/11 14:02:16  jonblower
44   * Merged MINA-Test_20059309 into main line of development
45   *
46   * Revision 1.2.2.1  2005/03/10 11:50:59  jonblower
47   * Changed to fit with MINA framework
48   *
49   * Revision 1.2  2005/02/24 07:44:44  jonblower
50   * Added getFriendlyString()
51   *
52   * Revision 1.1.1.1  2005/02/16 18:58:29  jonblower
53   * Initial import
54   *
55   */
56  public class TremoveMessage extends StyxMessage
57  {
58      
59      private long fid;  // Fid of the file to remove
60      
61      /*** 
62       * Creates a new TremoveMessage. This constructor will be called by the
63       * MessageRecognizer.
64       * @param length The total length of the message (including all header info)
65       * @param type The type of the message (a number between 100 and 127)
66       * @param tag The tag that identifies this message
67       */
68      public TremoveMessage(int length, short type, int tag)
69      {
70          super(length, type, tag);
71          this.name = "Tremove";
72      }
73      
74      public TremoveMessage(long fid)
75      {
76          this(11, (short)122, 0); // The tag will be added later
77          this.fid = fid;
78      }
79      
80      protected final void decodeBody(StyxBuffer buf)
81      {
82          this.fid = buf.getUInt();
83      }
84      
85      protected final void encodeBody(StyxBuffer buf)
86      {
87          buf.putUInt(this.fid);
88      }
89      
90      public long getFid()
91      {
92          return this.fid;
93      }
94      
95      protected String getElements()
96      {
97          return ", " + this.fid;
98      }
99      
100     public String toFriendlyString()
101     {
102         return "fid: " + this.fid;
103     }
104     
105 }