Joey,
How does this post of yours relate to the original problem?
Don't clutter with unrelated posts and make it difficult for others to
understand.
吕晓一 wrote:
>
> Hi, my project use Castor, and I have one question.
>
> I created a field handler named TimeHander.java like this:
>
> public class TimeHandler extends GeneralizedFieldHandler {
>
> private SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
>
> public TimeHandler() {
> super();
> }
>
> public void setConfiguration(Properties config) throws
> ValidityException {
> String pattern = config.getProperty("date-format");
> if (pattern == null) {
> throw new ValidityException("need parameter \"date-format\"");
> }
> try {
> formatter = new SimpleDateFormat(pattern);
> } catch (IllegalArgumentException e) {
> throw new ValidityException("the parameter \"" + pattern + "\"
> invalid");
> }
> }
>
>
> public Object convertUponGet(Object value) {
> if (value == null) return null;
> Date date = (Date) value;
> return formatter.format(date);
>
> }
>
> public Object convertUponSet(Object value) {
> Date date = null;
> try {
> if (StringUtils.isEmpty((String) value)) {
> return date;
> }
> date = formatter.parse((String) value);
> }
> catch (ParseException px) {
> throw new IllegalArgumentException(px.getMessage());
> }
> return date;
>
> }
>
> public Class getFieldType() {
> return Date.class;
> }
>
>
> public Object newInstance(Object parent) throws IllegalStateException
> {
> return null;
> }
> }
>
>
> and my Java bean has two java.util.Date type fields,
> to make Castor work correctly,
> I have to define two <field-handler/> in mapping file like this:
> ...
> ...
> <field-handler name="timeHandler1" class="TimeHandler">
>
> </field-handler>
> <field-handler name="timeHandler2" class="TimeHandler">
>
> </field-handler>
> ...
> ...
> <class name="Mybean ">
> <map-to xml="MyBean"/>
> <field name="time1" type="java.lang.String" handler="timeHandler1">
> <bind-xml name="Time1" node="element"/>
> </field>
> <field name="time2" type="java.lang.String" handler="timeHandler2">
> <bind-xml name="Time2" node="element"/>
> </field>
> </class>
> ....
>
> that's mean: one field , one <field-handler/> , even the same processing
> logic.
>
> But my project has dozens of Java beans, and has dozens of Date-type
> fileds,
> so, I have to define dozens of <field-handler/>, it is so terrible....
>
> Is there any advices?
>
> Regards
>
> Joey
>
> 2011-3-9
>
>
>
>
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