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1
9 package org.jboss.portal.server.theme;
10
11 import java.util.ArrayList  ;
12 import java.util.Collections ;
13 import java.util.Iterator ;
14
15
19 public class Region
20 {
21
22 private String name;
23 private boolean sorted;
24 private ArrayList items;
25
26 public Region(String name)
27 {
28 if (name == null)
29 {
30 throw new NullPointerException ();
31 }
32 this.name = name;
33 sorted = false;
34 }
35
36 public String getName()
37 {
38 return name;
39 }
40
41 public void add(Item item)
42 {
43 if (items == null)
44 {
45 items = new ArrayList ();
46 }
47 items.add(item);
48 }
49
50 public boolean isEmpty()
51 {
52 if (items == null)
53 {
54 return true;
55 }
56 else
57 {
58 return items.isEmpty();
59 }
60 }
61
62 public Iterator items()
63 {
64 if (items == null)
65 {
66 return Collections.EMPTY_LIST.iterator();
67 }
68 if (!sorted)
69 {
70 Collections.sort(items);
71 sorted = true;
72 }
73 return items.iterator();
74 }
75 }
76 |
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