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Java > Open Source Codes > org > objectweb > dream > util > Dream


1 /**
2  * Dream
3  * Copyright (C) 2003-2004 INRIA Rhone-Alpes
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Contact : dream@objectweb.org
20  *
21  * Initial developer(s): Matthieu Leclercq
22  * Contributor(s): Vivien Quema
23  */
24
25 package org.objectweb.dream.util;
26
27 import org.objectweb.dream.control.activity.task.TaskController;
28 import org.objectweb.dream.control.logger.LoggerController;
29 import org.objectweb.fractal.api.Component;
30 import org.objectweb.fractal.api.NoSuchInterfaceException;
31
32 /**
33  * Provides static methods to access control interfaces of Dream components.
34  * This class is provided in addition to the
35  * {@link org.objectweb.fractal.util.Fractal }class.
36  */
37 public final class Dream
38 {
39
40   private Dream()
41   {
42   }
43
44   /**
45    * Returns the logger controller interface of the given component.
46    *
47    * @param component a component interface
48    * @return the logger controller interface of the given component.
49    * @throws NoSuchInterfaceException if the givn component doesn't have a
50    * logger controller.
51    */
52   public static LoggerController getLoggerController(Component component)
53       throws NoSuchInterfaceException
54   {
55     return (LoggerController) component.getFcInterface("logger-controller");
56   }
57
58   /**
59    * Returns the task controller interface of the given component.
60    *
61    * @param component a component interface
62    * @return the task controller interface of the given component.
63    * @throws NoSuchInterfaceException if the givn component doesn't have a task
64    * controller.
65    */
66   public static TaskController getTaskController(Component component)
67       throws NoSuchInterfaceException
68   {
69     return (TaskController) component.getFcInterface("task-controller");
70   }
71 }
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