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From Bruno Dumon <>
Subject Re: [CForms]FormattingDateConvertor can't convert blank to date in current cvs version.
Date Sun, 09 May 2004 10:55:14 GMT
On Sun, 2004-05-09 at 12:07, roy huang wrote:
> Hi All:
>   If I user xml as data to binding cocoon forms,I must using DateConvertor to convert
string to date like:
>   <fb:value id="date"   
>             path="date" >
>     <fd:convertor datatype="date" >
>       <fd:patterns>
>         <fd:pattern>yyyy-MM-dd</fd:pattern>
>       </fd:patterns>
>     </fd:convertor>
>   </fb:value>
> the data may looks like:
> <date>1971-05-06</date>
> But if the data is <date><date> it will error like:
> org.apache.avalon.framework.CascadingRuntimeException: "resource://org/apache/cocoon/forms/flow/javascript/Form.js",
line 160: uncaught JavaScript exception: at bindingSample (file:/D:/eclipse/workspace/cocoon-2.1/build/webapp/samples/blocks/forms/flow/bindings.js,
Line 73) at (resource://org/apache/cocoon/forms/flow/javascript/Form.js, Line 160): java.lang.RuntimeException:
Incorrect value type for "date" (expected class java.util.Date, got class java.lang.String.
> But it works only several days ago,so I check the cvs and believe is Bruno's change in
5.6 makes it. Here's what he said in cvs comments:
> Made Convertor.convertFromString contract more solid by letting it
> return a ConversionResult object (instead of null/not-null to indicate
> successful conversion). This also moves the responsibility
> of creating the ValidationError to the Convertor, allowing convertors
> to set more specialised messages in them.
> What can I do to convert an blank ("") string to Date type? Or this should be considered
in the believe this function is need because date may be blank.

I made a little error in my change, it simply needs an "else value =
null" added. I'll fix it after the code freeze.

Bruno Dumon                   
Outerthought - Open Source, Java & XML Competence Support Center                

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