Hi,
I ma trying to use the dropdowndatetimepicker tag but with little success.
My Action defines field
java.util.Date registrationDate;
And here is my JSP part:
<s:dropdowndatetimepicker
name="registrationDate"
displayFormat="dd-MM-yyyy"
saveFormat="yyyy-MM-dd"
language="pl"/>
Questions that I's like to ask:
a) how do I force the tag to load initially with a value from the property?
If I set the property to some non-null value, it is still not displayed.
The showcase app uses an easy way, it predefines the initial value this way:
<s:dropdowndatetimepicker
name="dddp3"
value="2006-06-26" language="en-us" />
Which means the value is already formatted for the tag by hand.
How to tell the tag to read my value from the property?
Whatever I do - it displays empty date field when loaded from action.
b) submitting the form with date
I'd like to display the date in format 'dd-MM-yyyy' (Poland)
And if I set it to the tag - it works for displaying.
But it uses the same format to send the data when the field is submitted.
And this causes an exception because validators cannot parse it:
22:49:53,187 ERROR - Dispatcher - Could not execute action
java.lang.NullPointerException
at
com.opensymphony.xwork2.DefaultActionInvocation.createResult(DefaultActionInvocation.java:197)
at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:337)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
at
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123)
[...]
Then I thought about using the saveFormat attribute for this purpose
but it still fails.
And here is the GET url generated by the browser for two Date
properties on a form using dropdowndatetimepicker with the settings
shown above:
displayFormat="dd-MM-yyyy"
saveFormat="yyyy-MM-dd"
/myAction.action?=2006-12-22&date1=22-12-2006&=2006-12-23&date2=23-12-2006
Such request produces stacktrace.
Looks like the datepicker has empty names for the additional
properties containing values in saveFormat.
Using Struts 2.0.2
Dariusz Wojtas
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