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1
9 package org.jboss.portal.server.plugins.preferences;
10
11 import java.io.Serializable  ;
12 import java.util.HashMap ;
13 import java.util.Map ;
14 import java.util.Set ;
15
16 import org.jboss.portal.common.value.Value;
17
18
25 public class AbstractPreferenceSet implements PreferenceSet, Serializable
26 {
27
28 protected Map map;
29
30 public AbstractPreferenceSet()
31 {
32 this(new HashMap ());
33 }
34
35 public AbstractPreferenceSet(Map map)
36 {
37 this.map = map;
38 }
39
40 public Set keySet()
41 {
42 return map.keySet();
43 }
44
45 public Preference getPreference(String key)
46 {
47 if (key == null)
48 {
49 throw new IllegalArgumentException ("key must not be null");
50 }
51 return (Preference)map.get(key);
52 }
53
54 public Value getValue(String key)
55 {
56 if (key == null)
57 {
58 throw new IllegalArgumentException ("key must not be null");
59 }
60 Preference preference = getPreference(key);
61 if (preference != null)
62 {
63 return preference.getValue();
64 }
65 else
66 {
67 return null;
68 }
69 }
70
71 public void setValue(String key, Value value)
72 {
73 if (key == null)
74 {
75 throw new IllegalArgumentException ("key must not be null");
76 }
77 if (value == null)
78 {
79 map.remove(key);
80 }
81 else
82 {
83 AbstractPreference pref = (AbstractPreference)map.get(key);
84 if (pref == null)
85 {
86 pref = new AbstractPreference(key, value, false);
87 map.put(key, pref);
88 }
89 else
90 {
91 pref.setValue(value);
92 }
93 }
94 }
95
96 public boolean isReadOnly(String key)
97 {
98 if (key == null)
99 {
100 throw new IllegalArgumentException ("key must not be null");
101 }
102 return false;
103 }
104
105 public void setReadOnly(String key, boolean readOnly)
106 {
107 throw new UnsupportedOperationException ("Should not be called");
108 }
109 }
110 |
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