1 //==============================================================================
2 // file : Command.java
3 // project: Front View Control
4 //
5 // last change: date: $Date: 2003/09/10 09:13:57 $
6 // by: $Author: bitiboy $
7 // revision: $Revision: 1.1 $
8 //------------------------------------------------------------------------------
9 // copyright: GNU GPL Software License (see class documentation)
10 //==============================================================================
11 package com.justhis.control;
12
13
14 /*
15 * $Id: Command.java,v 1.1 2003/09/10 09:13:57 bitiboy Exp $
16 *
17 * Copyright 2003 Acai Software All Rights Reserved.
18 *
19 * This file Command.java is part of the Front View Control.
20
21 * The Front View Control is free software; you can redistribute it and/or modify
22 * it under the terms of the GNU General Public License as published by
23 * the Free Software Foundation; either version 2 of the License, or
24 * (at your option) any later version.
25
26 * The Front View Control is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
30
31 * You should have received a copy of the GNU General Public License
32 * along with the Front View Control; if not, write to the Free Software
33 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34
35 * http://www.justhis.com http://ejb.cn
36 * CONTACT: email = superaxis@sohu.com webmaster@justhis.com
37 */
38 import com.justhis.util.exception.LogicException;
39 import com.justhis.util.exception.UtilException;
40
41 import java.sql.SQLException;
42
43 import javax.servlet.ServletException;
44
45
46 /***
47 * common command interface
48 *
49 * @author <a href="http://blog.ejb.cn">acai</a>
50 * @version $Revision: 1.1 $
51 */
52 public interface Command {
53 //~ Methods ----------------------------------------------------------------
54
55 /***
56 * Get the name of this command.
57 *
58 * @return the name of the command
59 */
60 public String getName();
61
62 /***
63 * execute command
64 *
65 * @return the page url
66 *
67 * @throws LogicException if happen logic error.
68 * @throws SQLException if persistence database or any sql error.
69 * @throws ServletException if servlet error occur.
70 * @throws UtilException if some utility errors happen
71 */
72 public String execute()
73 throws LogicException, SQLException, ServletException,
74 UtilException;
75
76 /***
77 * inital command by CommandDispatcher
78 *
79 * @param dispathcher
80 */
81 public void init(CommandDispatcher dispathcher) throws ServletException;
82 }
83
84
85 /*
86 * $Log: Command.java,v $
87 * Revision 1.1 2003/09/10 09:13:57 bitiboy
88 * *** empty log message ***
89 *
90 *
91 */
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