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1
13 package com.tonbeller.wcf.format;
14
15 import java.text.ParsePosition  ;
16 import java.text.SimpleDateFormat ;
17 import java.util.Date ;
18 import java.util.List ;
19 import java.util.Locale ;
20
21
22
30 public class DateHandler extends FormatHandlerSupport {
31
32 public String format(Object o, String userPattern) {
33 if (o == null) {
34 return "";
35 }
36
37 Locale locale = getLocale();
38 SimpleDateFormat sdf = new SimpleDateFormat (findPattern(userPattern), locale);
39
40 return sdf.format(o);
41 }
42
43 public Object parse(String s, String userPattern) throws FormatException {
44 if (s == null) {
45 return null;
46 }
47
48 s = s.trim();
49 if (s.length() == 0) {
50 return null;
51 }
52
53 SimpleDateFormat sdf = new SimpleDateFormat (findPattern(userPattern), getLocale());
54 ParsePosition pos = new ParsePosition (0);
55 Object o = sdf.parse(s, pos);
56
57 if ((o == null) || (pos.getIndex() != s.length())) {
58 throw new FormatException(getErrorMessage(s));
59 }
60
61 return o;
62 }
63
64 public boolean canHandle(Object value) {
65 return value instanceof Date ;
66 }
67
68
69 public Object toNativeArray(List list) {
70 Date [] array = new Date [list.size()];
71 for (int i = 0; i < array.length; i++)
72 array[i] = (Date )list.get(i);
73 return array;
74 }
75
76 public Object [] toObjectArray(Object value) {
77 if (value instanceof Date )
78 return new Date []{(Date )value};
79 return (Date [])value;
80 }
81
82 } |
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