1 /**
2 * This file Copyright (c) 2003-2013 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.commands;
35
36 import info.magnolia.commands.chain.Command;
37 import info.magnolia.commands.chain.Context;
38
39 import javax.inject.Inject;
40
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43
44 /**
45 * Delegate to an other command at runtime.
46 *
47 */
48 public class DelegateCommand implements Command {
49 private final static Logger log = LoggerFactory.getLogger(DelegateCommand.class);
50
51 /**
52 * The command name used to delegate to.
53 */
54 private String commandName;
55
56 private CommandsManager commandsManager;
57
58 @Inject
59 public DelegateCommand(CommandsManager commandsManager) {
60 this.commandsManager = commandsManager;
61 }
62
63 @Override
64 public boolean execute(Context ctx) throws Exception {
65 Command cmd = commandsManager.getCommand(commandName);
66 if(cmd != null){
67 return cmd.execute(ctx);
68 }
69 log.error("can't find command {}", this.commandName);
70 return false;
71 }
72
73 public String getCommandName() {
74 return this.commandName;
75 }
76
77
78 public void setCommandName(String commandName) {
79 this.commandName = commandName;
80 }
81
82 @Override
83 public Command clone() throws CloneNotSupportedException {
84 return (Command) super.clone();
85 }
86 }