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Java > Open Source Codes > org > objectweb > util > browser > plugin > java > map > MapContext


1 /*====================================================================
2
3 Objectweb Browser Framework
4 Copyright (C) 2000-2003 INRIA - USTL - LIFL - GOAL
5 Contact: openccm@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, Jerome Moroy.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26
27 package org.objectweb.util.browser.plugin.java.map;
28
29 import org.objectweb.util.browser.api.Context;
30 import org.objectweb.util.browser.api.Entry;
31 import org.objectweb.util.browser.api.Wrapper;
32 import org.objectweb.util.browser.core.naming.DefaultEntry;
33 import org.objectweb.util.browser.core.naming.DefaultName;
34
35 /**
36  * This class allows to browse a <code>java.util.Map</code> object.
37  *
38  * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a>,
39  * <a HREF="mailto:Jerome.Moroy@lifl.fr">Jérôme Moroy</a>
40  *
41  * @version 0.1
42  */
43 public class MapContext
44   implements Wrapper, Context
45 {
46
47     //==================================================================
48 //
49 // Internal states.
50 //
51 //==================================================================
52
53     /** The reference of the map to browse. */
54     protected java.util.Map JavaDoc map_;
55
56     //==================================================================
57 //
58 // No constructor.
59 //
60 //==================================================================
61
62     //==================================================================
63 //
64 // No internal method.
65 //
66 //==================================================================
67
68     //==================================================================
69 //
70 // Public methods for Wrapper interface.
71 //
72 //==================================================================
73
74     /**
75      * Sets the wrapped object.
76      */
77     public void setWrapped(Object JavaDoc object)
78     {
79         map_ = (java.util.Map JavaDoc)object;
80     }
81
82     /**
83      * Gets the wrapped object.
84      */
85     public Object JavaDoc getWrapped()
86     {
87         return map_;
88     }
89
90     //==================================================================
91 //
92 // Public methods for Context interface.
93 //
94 //==================================================================
95
96     /**
97      * Returns an array of Entry representing the mappings contained in this map.
98      * @return The entries of the context.
99      */
100     public Entry[] getEntries()
101     {
102         // Creates the array of entries.
103 Entry[] entries = new Entry[map_.size()];
104         
105         // Populates the array with the mappings contained in the map.
106 Object JavaDoc[] keys = map_.keySet().toArray();
107         Object JavaDoc[] elements = map_.values().toArray();
108         for (int i = 0; i < entries.length; i++)
109         {
110             entries[i] =
111               new DefaultEntry(elements[i], new DefaultName(keys[i].toString()), this);
112         }
113         return entries;
114     }
115
116 }
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