KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > openharmonise > rm > commands > CmdReactivate


1 /*
2  * The contents of this file are subject to the
3  * Mozilla Public License Version 1.1 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at http://www.mozilla.org/MPL/
6  *
7  * Software distributed under the License is distributed on an "AS IS"
8  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
9  * See the License for the specific language governing rights and
10  * limitations under the License.
11  *
12  * The Initial Developer of the Original Code is Simulacra Media Ltd.
13  * Portions created by Simulacra Media Ltd are Copyright (C) Simulacra Media Ltd, 2004.
14  *
15  * All Rights Reserved.
16  *
17  * Contributor(s):
18  */
19 package org.openharmonise.rm.commands;
20
21 import org.openharmonise.rm.resources.lifecycle.*;
22
23
24 /**
25  * Reactivates the 'command object', if it implements <code>Editable</code>.
26  *
27  * @author Michael Bell
28  * @version $Revision: 1.3 $
29  *
30  */
31 public class CmdReactivate extends AbstractCmd {
32     
33     /**
34      * Creates an instance of command.
35      *
36      */
37     public CmdReactivate() {
38         super();
39     }
40
41     /* (non-Javadoc)
42      * @see org.openharmonise.rm.commands.AbstractCmd#execute()
43      */
44     public Object JavaDoc execute(Context context) throws CommandException {
45         if((m_commandObj instanceof Editable) == false) {
46             throw new InvalidCommandException("Command is not valid for this object:" + m_commandObj.getClass());
47         }
48
49         if (isAvailable(context) == false) {
50           throw new InvalidCommandException("Command is not available for this object");
51         }
52     
53         Editable eObj = (Editable)getCommandObject(context);
54         Editable rtnObj = null;
55         
56         try {
57             rtnObj = eObj.reactivate();
58         } catch(Exception JavaDoc e) {
59             throw new CommandException(e.getMessage());
60         }
61         
62         return rtnObj;
63     }
64
65     /* (non-Javadoc)
66      * @see org.openharmonise.rm.commands.AbstractCmd#getName()
67      */
68     public String JavaDoc getName() {
69         
70         return "Reactivate";
71     }
72     
73     /* (non-Javadoc)
74      * @see org.openharmonise.rm.commands.AbstractCmd#isValidCommandObject(java.lang.Object)
75      */
76     public boolean isValidCommandObject(Object JavaDoc obj) {
77         return (obj instanceof Editable);
78     }
79 }
Popular Tags