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1 package org.appfuse.util;
2
3 import java.text.DateFormat  ;
4 import java.text.SimpleDateFormat ;
5
6 import java.util.Date ;
7 import java.sql.Timestamp ;
8
9 import org.apache.commons.beanutils.ConversionException;
10 import org.apache.commons.beanutils.Converter;
11 import org.apache.commons.lang.StringUtils;
12
13
14
24 public class DateConverter implements Converter {
25
26 public Object convert(Class type, Object value) {
27 if (value == null) {
28 return null;
29 } else if (type == Timestamp .class) {
30 return convertToDate(type, value, DateUtil.getDateTimePattern());
31 } else if (type == Date .class) {
32 return convertToDate(type, value, DateUtil.getDatePattern());
33 } else if (type == String .class) {
34 return convertToString(type, value);
35 }
36
37 throw new ConversionException("Could not convert " +
38 value.getClass().getName() + " to " +
39 type.getName());
40 }
41
42 protected Object convertToDate(Class type, Object value, String pattern) {
43 DateFormat df = new SimpleDateFormat (pattern);
44 if (value instanceof String ) {
45 try {
46 if (StringUtils.isEmpty(value.toString())) {
47 return null;
48 }
49
50 Date date = df.parse((String ) value);
51 if (type.equals(Timestamp .class)) {
52 return new Timestamp (date.getTime());
53 }
54 return date;
55 } catch (Exception pe) {
56 pe.printStackTrace();
57 throw new ConversionException("Error converting String to Date");
58 }
59 }
60
61 throw new ConversionException("Could not convert " +
62 value.getClass().getName() + " to " +
63 type.getName());
64 }
65
66 protected Object convertToString(Class type, Object value) {
67
68 if (value instanceof Date ) {
69 DateFormat df = new SimpleDateFormat (DateUtil.getDatePattern());
70 if (value instanceof Timestamp ) {
71 df = new SimpleDateFormat (DateUtil.getDateTimePattern());
72 }
73
74 try {
75 return df.format(value);
76 } catch (Exception e) {
77 e.printStackTrace();
78 throw new ConversionException("Error converting Date to String");
79 }
80 } else {
81 return value.toString();
82 }
83 }
84 }
85 |
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