View Javadoc

1   /*
2    * $Id: CommandFactory.java 114 2004-10-22 19:27:43Z josem $
3    *
4    * Tarsis
5    * Copyright (C) 2002 Talika Open Source Group
6    *
7    * This program is free software; you can redistribute it and/or modify
8    * it under the terms of the GNU General Public License as published by
9    * the Free Software Foundation; either version 2 of the License, or
10   * (at your option) any later version.
11   *
12   * This program is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   * GNU General Public License for more details.
16   *
17   * You should have received a copy of the GNU General Public License
18   * along with this program; if not, write to the Free Software
19   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20   *
21   */
22  
23  package org.talika.tarsis.command.factory;
24  
25  import org.talika.tarsis.command.Command;
26  
27  /**
28   * Interface that defines a command factory in Tarsis MVC Framework.<br>
29   * <br>
30   * The command factory is responsible of obtain <code>Command</code> object
31   * definitions from definition's repository. Command factories can read command
32   * definitions from an XML file, text file, a database or any other repository.
33   *
34   * @author  Jose M. Palomar
35   * @version $Revision: 114 $
36   * @see org.talika.tarsis.command.Command
37   */
38  public interface CommandFactory {
39  
40      // Constants
41  
42      // Methods
43      /**
44       * Returns matching name command instance.
45       *
46       * @param name String name of command.
47       * @return Command command instance for given name or <code>null</code> if none
48       * found.
49       */
50      Command findCommand(String name);
51  
52  }