WrappableMap


1   /*
2     Copyright (C) 2001-2002 Laurent Martelli.
3   
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU Lesser General Public License as
6     published by the Free Software Foundation; either version 2 of the
7     License, or (at your option) any later version.
8   
9     This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU Lesser General Public License for more details.
13  
14    You should have received a copy of the GNU Lesser General Public License
15    along with this program; if not, write to the Free Software
16    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17  
18  package org.objectweb.jac.aspects.gui;
19  
20  import java.util.Map  ;
21  import gnu.regexp.*;
22  
23  /**
24   * This class is a mere wrapper which delegates all methods to a real
25   * Map. It allows you to have wrappable maps.
26   */
27  
28  public class WrappableMap
29  {
30     private Map   delegate;
31  
32     protected Map   getDelegate() {
33        return delegate;
34     }
35  
36     public WrappableMap(Map   delegate) {
37        this.delegate = delegate;
38     }
39     
40     /**
41      * Calls put on delegate for every key already in delegate which
42      * matches key. For instance, call with <code>put("gui.*",0)</code>
43      * will turn off all gui traces.
44      * @param key regexp key
45      * @param value trace level
46      */
47  
48     public void put ( String   key, Integer   value )  
49        throws REException
50     {
51        Object   keys[] = delegate.keySet().toArray();
52        RE re = new RE(key);
53        for (int i=0; i<keys.length;i++) {
54           String   cur_key = (String  )keys[i];
55           if (re.isMatch(cur_key))
56              delegate.put(cur_key, value);
57        }
58     }
59     
60     public void clear (  )  {
61        delegate.clear();
62     }
63     
64     public Object   remove ( String   key )  {
65        return delegate.remove(key);
66     }
67   
68     static public String  [] getCategories(WrappableMap wmap ) {
69        java.util.Set   keys = wmap.getDelegate().keySet();
70        String  [] result = new String  [keys.size()];
71        java.util.Iterator   i = keys.iterator();
72        int j=0;
73        while (i.hasNext()) {
74           result[j++] = (String  )i.next();
75        }
76        return result;
77     }
78  
79     static public Integer  [] getLevels(WrappableMap wmap) {
80        return new Integer  [] {new Integer  (0),new Integer  (1),
81                              new Integer  (2),new Integer  (3)};
82     }
83  }
84
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