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Java > Open Source Codes > org > objectweb > cjdbc > console > text > commands > History


1 /**
2  * C-JDBC: Clustered JDBC.
3  * Copyright (C) 2002-2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Contact: c-jdbc@objectweb.org
6  *
7  * This library is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU Lesser General Public License as published by the
9  * Free Software Foundation; either version 2.1 of the License, or any later
10  * version.
11  *
12  * This library is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20  *
21  * Initial developer(s): Nicolas Modrzyk.
22  * Contributor(s): ______________________.
23  */
24
25 package org.objectweb.cjdbc.console.text.commands;
26
27 import java.util.LinkedList JavaDoc;
28 import java.util.StringTokenizer JavaDoc;
29
30 import org.objectweb.cjdbc.common.i18n.ConsoleTranslate;
31 import org.objectweb.cjdbc.console.text.module.AbstractConsoleModule;
32
33 /**
34  * This class defines a History
35  *
36  * @author <a HREF="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk </a>
37  * @version 1.0
38  */
39 public class History extends ConsoleCommand
40 {
41
42   /**
43    * Creates a new <code>History</code> object
44    *
45    * @param module module that owns this commands
46    */
47   public History(AbstractConsoleModule module)
48   {
49     super(module);
50   }
51
52   /**
53    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#parse(java.lang.String)
54    */
55   public void parse(String JavaDoc commandText) throws Exception JavaDoc
56   {
57     LinkedList JavaDoc list = module.getHistory();
58     StringTokenizer JavaDoc st = new StringTokenizer JavaDoc(commandText);
59     if (st.countTokens() == 0)
60     {
61       for (int i = 0; i < list.size(); i++)
62       {
63         Object JavaDoc o = list.get(i);
64         console.println("[" + i + "]\t" + o);
65       }
66     }
67     else
68     {
69       int line = Integer.parseInt(st.nextToken());
70       module.handleCommandLine((String JavaDoc) list.get(line), module
71           .getHashCommands());
72     }
73   }
74
75   /**
76    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#getCommandName()
77    */
78   public String JavaDoc getCommandName()
79   {
80     return "history";
81   }
82
83   /**
84    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#getCommandDescription()
85    */
86   public String JavaDoc getCommandDescription()
87   {
88     return ConsoleTranslate.get("console.command.history");
89   }
90
91   /**
92    * @see org.objectweb.cjdbc.console.text.commands.ConsoleCommand#getCommandParameters()
93    */
94   public String JavaDoc getCommandParameters()
95   {
96     return "[<commandIndex>]";
97   }
98 }
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