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Java > Open Source Codes > org > objectweb > util > browser > core > wrapper > AssociatedContextImpl


1 /*===========================================================================
2
3 ObjectWeb Naming Context Framework
4 Copyright (C) 2002 USTL - LIFL - GOAL
5 Contact: architecture@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or any later version.
11
12 This library 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 library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Philippe Merle.
23 Contributor(s): ______________________________________.
24
25 ===========================================================================*/
26
27 package org.objectweb.util.browser.core.wrapper;
28
29 /** To use the AssociatedContext interface */
30 /** To use the PropertyLoader interface */
31 /** To use the Context interface */
32 /** To use the Entry interface */
33 /** To use the ContextFactory interface */
34 /** To use the AssociatedElementImpl class */
35 import org.objectweb.util.browser.api.Context;
36 import org.objectweb.util.browser.api.Entry;
37 import org.objectweb.util.browser.core.api.AssociatedContext;
38 import org.objectweb.util.browser.core.api.BrowserProperty;
39 import org.objectweb.util.browser.core.api.ContextFactory;
40 import org.objectweb.util.browser.core.common.AssociatedElementImpl;
41
42 /**
43  * Implementation of AssociatedContext API
44  *
45  * @author <a HREF="mailto:Jerome.Moroy@lifl.fr">Jerome Moroy</a>
46  * @version 0.1
47  */
48 public class AssociatedContextImpl extends AssociatedElementImpl implements AssociatedContext {
49
50     /**
51      * Default constructor
52      * @param loader The propertyLoader to use to load new configuration
53      */
54     public AssociatedContextImpl(BrowserProperty loader) {
55         super();
56         context_ = new WrapperPropertyContainer(loader);
57     }
58
59     /**
60      * Returns the context associates to the node
61      *
62      * @param node The node
63      * @return The associated context or null if no context is found
64      */
65     public Context getContext(Object JavaDoc node) {
66         if (context_ != null) {
67             Entry entry = context_.getRecursiveProperty(node);
68             if (entry != null) {
69                 ContextFactory cf = (ContextFactory) entry.getValue();
70                 return cf.newOWContext(node);
71             }
72         }
73         return null;
74     }
75     
76 }
77
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