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From Ho Soo Aun <...@trek.com.sg>
Subject Re: Validator::validate() reflection - null
Date Tue, 21 Aug 2001 09:36:43 GMT
Thanks David,
The error comes from the definitions in <global> tag of my  validation.xml.
I could have copied them from one of samples which i tried.
Replaced them from the example in 20010702 and it works as expected

SooAun

David Winterfeldt wrote:

> I didn't think it would cause a problem.  I'll look
> over it again.  If a field is of type int, you don't
> need to validate to see if it is an int.  Also if you
> have a field defined as an int, then you don't know if
> someone entered something bad because you will always
> get the default value of the field.  So on the
> ActionForm level it is good to preserve the user's
> input so if it fails validation you can return the
> value the user entered so it can be corrected.  So an
> ActionForm normally uses Strings except for
> checkboxes, radio buttons, and select boxes where you
> know the user can't enter anything bad.  Then you can
> have a bean with all the correct types (int, Date,
> etc.), and convert the ActionForm's values to the
> other bean.  There are a couple of transformation
> packages posted to help with doing this type of
> conversion between objects.  Here is the link.
>
> http://www.husted.com/about/struts/resources.htm
>
> David
>
> --- Ho Soo Aun <hsa@trek.com.sg> wrote:
> > I use Struts 1.0 and Tomcat 3.2.3
> >
> > I looked at your validator example again and began
> > to see that numeric fields
> > in form are defined in String.
> > I deduce the problem is in my design. My Meter bean
> > has meter1 of type 'int'
> > The getMeter1 returns 'int' and setMeter1 has 'int'
> > in signature.
> >
> > It works without valdiation (as in
> > struts-exercise-taglib) so I didnt think it
> > could cause problem with Validator.
> >
> > Am I right?
> >
> > SooAun
> >
> > David Winterfeldt wrote:
> >
> > > What version of struts are you using?  Struts 1.0?
> > > Also what servlet container and version are you
> > using?
> > >
> > > David
> > >
> > > --- Ho Soo Aun <hsa@trek.com.sg> wrote:
> > > > Had I missed any step?
> > > > Been trying to implement David's Struts
> > Validator
> > > > for quite a while.
> > > >
> > > > Every time I access a editmeter.jsp through an
> > > > action which populate the
> > > > fields.
> > > > Tomcat 3.2.2 console show
> > "Validator::validate()
> > > > reflection - null"
> > > > twice
> > > > Enter char in int field (to be validate) is
> > saved as
> > > > '0'. No validation
> > > > was done.
> > > > There was no other error message on browser or
> > log
> > > > file.
> > > >
> > > > # 1  Got Struts_Validator-20010702.jar in
> > > > WEB-INF/lib
> > > >
> > > > # 2  Got jakarta-regexp-1.2.jar in WEB-INF/lib
> > > >
> > > > # 3  Set this in web.xml
> > > > <servlet>
> > > >     <servlet-name>validator</servlet-name>
> > > >
> > > >
> > >
> >
> <servlet-class>com.wintecinc.struts.action.ValidatorServlet</servlet-class>
> > > >
> > > >     <init-param>
> > > >       <param-name>config</param-name>
> > > >
> > > >
> > <param-value>/WEB-INF/validation.xml</param-value>
> > > >     </init-param>
> > > >     <init-param>
> > > >       <param-name>debug</param-name>
> > > >       <param-value>2</param-value>
> > > >     </init-param>
> > > >     <load-on-startup>2</load-on-startup>
> > > >   </servlet>
> > > > # 4  In struts-config.xml
> > > >  <action path="/editmetererror"
> > > >    type="sg.com.trek.mims5.meter.MeterAction"
> > > >    name="meterForm"
> > > >    input="editmeter.jsp"
> > > >    scope="request"
> > > >    validate="true">
> > > >   <forward name="success"
> > path="/editmeter.jsp"/>
> > > >  </action>
> > > >
> > > > # 5 In addition to <global> setting in
> > > > validation.xml
> > > > #    add a form and one to test
> > > >    <formset>
> > > >     <form name="meterForm">
> > > >      <field property="meter.meter1"
> > > >       depends="required,integer">
> > > >       <arg0
> > key="meterForm.integer.displayname"/>
> > > >      </field>
> > > >     </form>
> > > >    </formset>
> > > >
> > > > # 6 In editmeter.jsp
> > > > <html:form action="/editmetererror"
> > name="meterForm"
> > > > type="sg.com.trek.mims5.meter.MeterForm"
> > > > focus="copierid"
> > > > onsubmit="return validateMeterForm(this);">
> > > > ...
> > > > <td align="right" nowrap><bean:message
> > > > key="meter.label.meter1"/>:</td>
> > > > <td align="left">&nbsp;<html:text
> > name="meterForm"
> > > > property="meter.meter1" size="7"
> > > > maxlength="7"/></td>
> > > > <td>&nbsp;</td>
> > > > </tr>
> > > > ...
> > > > <td align="right" colspan="2">&nbsp;<html:submit
> > > > property="action"
> > > > value="Update"
> > > >
> > >
> >
> onclick="bCancel=false;">ENTER</html:submit>&nbsp;<html:cancel
> > > > onclick="bCancel=true;javascript:window.close()"
> > > > value="Cancel">CANCEL</html:cancel></td>
> > > >
> > > > # 7 In Meterform.java
> > > > import
> > com.wintecinc.struts.action.ValidatorForm;
> > > >
> > > > import sg.com.trek.mims5.business.Meter;
> > > >
> > > > public final class MeterForm extends
> > ValidatorForm
> > > > implements
> > > > Serializable {
> > > >
> > > >  private String action = "Edit";
> > > >  /**
> > > >   * Member variable declaration
> > > >   */
> > > >  private Meter meter = null;
> > > >
> > > >  public Meter getMeter() {
> > > >   if ( meter == null) {
> > > >    meter = new Meter();
> > > >   }
> > > >   return meter;
> > > >  }
> > > > ......
> > > >
> > > > # 8 Getter and setter for field meter1 are in
> > Meter
> > > > bean
> > > >
> > > >
> > > > Any one help
> > > >
> > > >
> > > > Soo Aun
> > > >
> > >
> > > __________________________________________________
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> >
>
> __________________________________________________
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