I'm not sure if this is what you're looking for, but I just have a
setStrDate(String strDate) method and do the conversion yourself. Set your
form property to strDate. First test for nullness (if such a thing exists)
and set the date to something your validation rules will pickup.
Z.
>
> Thanks ... I sort of worked around it by using java.sql.Date instead,
> since the built-in converts in commons-beanutils does not really have a
> java.util.Date converter,
> only a java.sql.Date converter.
>
> However, I still have one problem with this.
>
> If a user leave the date field empty in the form, you will get the exception
> below.
>
> The problem with this it seems that the conversion happens BEFORE the
> validation.
> What's the point of having the following in validation.xml, if this exception
> happens earlier ??
>
> <field
> property="preLiveDate"
> depends="required,date">
> <arg key="campaignForm.preLiveDate"/>
>
> <var><var-name>datePattern</var-name><var-value>yyyy-MM-dd</var-value></var>
> </field>
>
>
> org.apache.commons.beanutils.ConversionException
> at
> org.apache.commons.beanutils.converters.SqlDateConverter.convert(SqlDateConver
> ter.java:117)
> at
> org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java:42
> 8)
> at
>
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:1004>
)
> at
> org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:811)
> at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298)
> at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:493)
> at
> org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.jav
> a:805)
> at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:203)
>
>
>
> On Thursday 17 November 2005 16:13, Yujun Liang wrote:
>> Here is some replies when I asked the same question before, hope it helps.
>>
>> Regards
>> ----- Original Message -----
>> From: "JEROME RAULINE" <[EMAIL PROTECTED]>
>> To: "Yujun Liang" <[EMAIL PROTECTED]>
>> Sent: Friday, October 28, 2005 6:53 PM
>> Subject: java.util.Date in Action Form Bean
>>
>>> Hi,
>>>
>>> You'd better use a String object, and then convert it into a
>>> java.*.Date. This way, you can check the date format and tell the user
>>> that it's wrong. Using a Date object, you'll have null if the format is
>>> not corresponding. And then, you don't know if the user used a wrong
>>> date or if he does not fill it out at all.
>>>
>>> Regards
>>>
>>>
>>> I am working on a project using Struts. Struts uses BeanUtil to populate
>>
>> Action Form Bean. This is such a nice framework to work with, except,
>>
>>> BeanUtil doesn't support java.util.Date conversion. But when I use
>>
>> java.sql.Timestamp, it asks for the format of
>>
>>> yyyy-mm-dd hh:mm:ss.fffffffff
>>>
>>> Here is the exception when I enter other format,
>>>
>>> Caused by: java.lang.IllegalArgumentException: Timestamp format must be
>>
>> yyyy-mm-dd hh:mm:ss.fffffffff
>>
>>> In a web application, it is not reasonable to ask user to input
>>> yyyy-mm-dd
>>
>> hh:mm:ss.fffffffff.
>>
>>> Also, it doesn't support Locale.
>>> Do you have experience getting java.util.Date populated in a Java Bean
>>
>> inside a FormBean?
>>
>>
>>
>>
>> ----- Original Message -----
>> From: "Laurie Harper" <[EMAIL PROTECTED]>
>> To: <dev@struts.apache.org>
>> Sent: Saturday, October 29, 2005 2:17 AM
>> Subject: Re: java.util.Date in Action Form Bean
>>
>>> So far I'm doing this by registering a custom implementation of
>>> Converter which I instantiate with a suitable instance of
>>> SimpleDateFormat before calling BeanUtilsBean.copyProperties().
>>>
>>> There's also the beanutils.locale package, which provides Locale-aware
>>> conversions and includes support for java.util.Date (I think) out of the
>>> box. Unfortunately, it's not obvious how to use it. I posted a thread on
>>> the commons-user list asking for guidance, though I haven't seen a
>>> response yet.
>>>
>>> For what it's worth, here's a rough outline of doing this the 'easy'
>>> (i.e. inelegant!) way:
>>>
>>> final SimpleDateFormat sdf = ...
>>> BeanUtilsBean utils = new BeanUtilsBean();
>>> ConvertUtilsBean ctuils = utils.getConvertUtils();
>>> cutils.register(new Converter() {
>>> public Object convert(Class clazz, Object value) {
>>> return sdf.parse((String) value);
>>> },
>>> Date.class);
>>> utils.copyProperties(...
>>>
>>> That's untested code, and the implementation of convert() should incude
>>> checks for value being null, not a String, etc and handling for if the
>>> date can't be parsed... but it gives you the rough idea.
>>>
>>> L.
>>
>> ----- Original Message -----
>> From: "Murray Collingwood" <[EMAIL PROTECTED]>
>> To: "Struts Users Mailing List" <user@struts.apache.org>
>> Sent: Friday, October 28, 2005 3:44 PM
>> Subject: Re: java.util.Date in Action Form Bean
>>
>>> Hi
>>>
>>> I add additional getters and setters for handling dates and prices (and
>>
>> other special
>>
>>> numeric formats). For example, in addition to the normal getter I code an
>>
>> additional
>>
>>> one to retrieve the date as a string.
>>>
>>> public Date getDateStart() {
>>> return dateStart;
>>> }
>>> public String getDateStartAsString() {
>>> if (dateStart == null) return "";
>>> return Focus.date2String(dateStart);
>>> }
>>>
>>>
>>> I then code up some static methods to format dates to strings and similar
>>
>> methods to
>>
>>> make the opposite translation (string back to date). For example, a
>>> method
>>
>> from my
>>
>>> Focus class related to the above code:
>>>
>>> public static String date2String(Date date) {
>>> return sdf.format(date);
>>> }
>>>
>>> And if you're desparate, here is the sdf definition:
>>>
>>> private static SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
>>>
>>> You can do the same thing with a Timestamp, depends how many fields you
>>
>> want to
>>
>>> declare on your form and how much data entry you want your user to do. I
>>
>> used a
>>
>>> similar method in my Focus class to get/set the date portion of the
>>
>> timestamp value:
>>> public static String timestamp2String(Timestamp ts) {
>>> if (ts == null) return "";
>>> return date2String(new Date(ts.getTime()));
>>> }
>>>
>>> HTH
>>> mc
>>
>> ----- Original Message -----
>> From: "Richard Yee" <[EMAIL PROTECTED]>
>> To: "Struts Users Mailing List" <user@struts.apache.org>
>> Sent: Saturday, October 29, 2005 12:48 AM
>> Subject: Re: java.util.Date in Action Form Bean
>>
>>> You should be aware that when using a java.text.DateFormat class or its
>>> subclass as a static variable in a bean that can be accessed via
>>> multiple threads simultaneously, you need to synchronize access to it
>>> because DateFormat is not thread-safe. So you should change the code
>>> below to:
>>>
>>> public static synchronized String date2String(Date date) {
>>> return sdf.format(date);
>>> }
>>>
>>> or
>>>
>>> public static String date2String(Date date) {
>>> synchronized (date) {
>>> return sdf.format(date);
>>> }
>>> }
>>>
>>>
>>>
>>> This is from the DateFormat Javadoc:Synchronization
>>>
>>> Date formats are not synchronized. It is recommended to create separate
>>> format instances for each thread. If multiple threads access a format
>>> concurrently, it must be synchronized externally.
>>>
>>> Regards,
>>>
>>> Richard
>>
>> ----- Original Message -----
>> From: "Ryan Stewart" <[EMAIL PROTECTED]>
>> To: <dev@struts.apache.org>
>> Sent: Saturday, October 29, 2005 2:10 PM
>> Subject: Re: java.util.Date in Action Form Bean
>>
>>> Not to mention that DateFormats are not thread-safe, and I'm fairly sure
>>> Converter access is not synchronized.
>>>
>>>> ----
>>
>> On 11/17/05, Jesus Salvo Jr. <[EMAIL PROTECTED]> wrote:
>>> Struts 1.2.7
>>>
>>> How do u use a ActionForm formbean with a java.util.Date as a property ?
>>> The form bean is defined as follows in struts-config.xml:
>>>
>>> <form-bean name="campaignForm" type="
>>> com.mig.provisioning.CampaignForm"/>
>>>
>>> .. and the actual bean has the following methods:
>>>
>>> public void setLiveDate(Date liveDate) {
>>> this.liveDate = liveDate;
>>> }
>>> public Date getPreLiveDate() {
>>> return preLiveDate;
>>> }
>>>
>>>
>>> I am getting a the exception below:
>>>
>>> java.lang.IllegalArgumentException: Cannot invoke
>>> com.mig.provisioning.CampaignForm.setPreLiveDate - argument type mismatch
>>> at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(
>>> PropertyUtilsBean.java:1778)
>>> at org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(
>>> PropertyUtilsBean.java:1759)
>>> at org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty (
>>> PropertyUtilsBean.java:1648)
>>> at org.apache.commons.beanutils.PropertyUtilsBean.setProperty(
>>> PropertyUtilsBean.java:1677)
>>> at org.apache.commons.beanutils.BeanUtilsBean.setProperty(
>>> BeanUtilsBean.java:1022)
>>> at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java
>>>
>>> :811)
>>>
>>> at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298)
>>> at org.apache.struts.util.RequestUtils.populate (RequestUtils.java:493)
>>> at org.apache.struts.action.RequestProcessor.processPopulate(
>>> RequestProcessor.java:805)
>>> at
>>> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java
>>>
>>> :203)
>>>
>>> at
>>> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
>>> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java :716) at
>>> javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>>>
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>>
>> --
>> Yujun Liang
>> [EMAIL PROTECTED]
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