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1
9 package org.jboss.portal.common.value;
10
11
12
16 public class IntegerValue extends AbstractValue
17 {
18
19 private static final Integer  [] EMPTY_ARRAY_INTEGER = new Integer [0];
20
21 private Integer value;
22
23 public IntegerValue()
24 {
25 this.value = null;
26 }
27
28 public IntegerValue(String value)
29 {
30 if (value == null)
31 {
32 throw new IllegalArgumentException ();
33 }
34 try
35 {
36 this.value = new Integer (value);
37 }
38 catch (NumberFormatException e)
39 {
40 throw new IllegalArgumentException ();
41 }
42 }
43
44 public IntegerValue(int _value)
45 {
46 this.value = new Integer (_value);
47 }
48
49 public IntegerValue(Integer value)
50 {
51 if (value == null)
52 {
53 throw new IllegalArgumentException ();
54 }
55 this.value = value;
56 }
57
58 public String asString()
59 {
60 return String.valueOf(value);
61 }
62
63 public int asInt() throws NullConversionException, FormatConversionException
64 {
65 if (value == null)
66 {
67 throw new NullConversionException();
68 }
69 return value.intValue();
70 }
71
72 public Object asObject()
73 {
74 return value;
75 }
76
77 public Object [] asObjectArray()
78 {
79 if (isNull())
80 {
81 return EMPTY_ARRAY_INTEGER;
82 }
83 return new Integer []{value};
84 }
85 }
86 |
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