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Java > Open Source Codes > org > mr > core > cmc > CommandRegistry


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Amir Shevat.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
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29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
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32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
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41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */
46 /*
47  * Created on Dec 18, 2003
48  *
49  * maps the command name to the command
50  */
51 package org.mr.core.cmc;
52
53 import java.util.ArrayList JavaDoc;
54 import java.util.HashMap JavaDoc;
55 import java.util.List JavaDoc;
56
57
58
59 /**
60  * @author Amir Shevat
61  * CommandRegistry
62  *
63  */
64 public class CommandRegistry {
65     private HashMap JavaDoc map= new HashMap JavaDoc();
66     private ArrayList JavaDoc commandlist = new ArrayList JavaDoc();
67     
68     /**
69      * this is the point all CMCCommand register to there name
70      * @param command any subclass of CMCCommand
71      */
72     public void registerCommand(CMCCommand command){
73         if(map.containsKey(command.getRegisterName())){
74             throw new IllegalArgumentException JavaDoc("A command is already registered to this name can not over write entry");
75         }
76         map.put(command.getRegisterName() , command);
77         commandlist.add(command);
78     }//registerCommand
79
80     /**
81      * the command manager calles this method to invoke the command
82      * @param registerName the name this commnd is registerd to
83      * @return the commans register to this name
84      */
85     public CMCCommand getCommand(String JavaDoc registerName){
86         return (CMCCommand)map.get(registerName);
87     }
88     
89     public List JavaDoc getCommands(){
90         return commandlist;
91     }
92 }
93
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