/**
* Convert a date to a String and a String to a Date
*
* @param type String, Date or Timestamp
* @param value value to convert
* @return Converted value for property population
*/
public Object convert(Class type, Object value) {
if (value == null) {
return null;
} else if (type == Timestamp.class) {
return convertToDate(type, value, DateUtil.getDateTimePattern());
} else if (type == Date.class) {
return convertToDate(type, value, DateUtil.getDatePattern());
} else if (type == String.class) {
return convertToString(type, value);
}
throw new ConversionException(
"Could not convert " + value.getClass().getName() + " to " + type.getName());
}
/**
* Convert a java.util.Date or a java.sql.Timestamp to a String. Or does a toString
*
* @param value value to convert
* @return Converted value for property population
*/
protected Object convertToString(final Object value) {
if (value instanceof Date) {
DateFormat df = new SimpleDateFormat(DateUtil.getDatePattern());
if (value instanceof Timestamp) {
df = new SimpleDateFormat(DateUtil.getDateTimePattern());
}
try {
return df.format(value);
} catch (final Exception e) {
throw new ConversionException("Error converting Date to String", e);
}
} else {
return value.toString();
}
}
/**
* Convert a java.util.Date to a String
*
* @param type Date or Timestamp
* @param value value to convert
* @return Converted value for property population
*/
protected Object convertToString(Class type, Object value) {
if (value instanceof Date) {
DateFormat df = new SimpleDateFormat(DateUtil.getDatePattern());
if (value instanceof Timestamp) {
df = new SimpleDateFormat(DateUtil.getDateTimePattern());
}
try {
return df.format(value);
} catch (Exception e) {
e.printStackTrace();
throw new ConversionException("Error converting Date to String");
}
} else {
return value.toString();
}
}
@Test
public void testConvertTimestampToString() throws Exception {
final Timestamp timestamp = Timestamp.valueOf("2005-03-10 01:02:03.4");
final String time = (String) converter.convert(String.class, timestamp);
assertEquals(DateUtil.getDateTime(DateUtil.getDateTimePattern(), timestamp), time);
}