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Java > Open Source Codes > org > jboss > dependency > plugins > AbstractControllerContextActions


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software 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 GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.dependency.plugins;
23
24 import java.util.Map JavaDoc;
25
26 import org.jboss.dependency.plugins.spi.action.ControllerContextAction;
27 import org.jboss.dependency.spi.ControllerContext;
28 import org.jboss.dependency.spi.ControllerContextActions;
29 import org.jboss.dependency.spi.ControllerState;
30
31 /**
32  * ControllerContextActions.
33  *
34  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
35  * @version $Revision: 46281 $
36  */
37 public class AbstractControllerContextActions implements ControllerContextActions
38 {
39    /** The actions Map<ControllerState, ControllerContextAction> */
40    private Map JavaDoc<ControllerState, ControllerContextAction> actions;
41    
42    public AbstractControllerContextActions(Map JavaDoc<ControllerState, ControllerContextAction> actions)
43    {
44       this.actions = actions;
45    }
46    
47    public void install(ControllerContext context, ControllerState fromState, ControllerState toState) throws Throwable JavaDoc
48    {
49       ControllerContextAction action = getAction(context, toState);
50       if (action != null)
51          action.install(context);
52    }
53
54    public void uninstall(ControllerContext context, ControllerState fromState, ControllerState toState)
55    {
56       ControllerContextAction action = getAction(context, fromState);
57       if (action != null)
58          action.uninstall(context);
59    }
60    
61    /**
62     * Get the controller context action
63     *
64     * @param context the context
65     * @param state the state
66     * @return the action
67     */
68    protected ControllerContextAction getAction(ControllerContext context, ControllerState state)
69    {
70       return actions.get(state);
71    }
72 }
73
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