Thanks Erik.
----- Original Message -----
From: "Erik Weber" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <user@struts.apache.org>
Sent: Wednesday, January 12, 2005 5:08 PM
Subject: Re: XML date validation
> Author your own pluggable validator. See the Struts doc on this. I
> recently posted an example that you can probably use as a place to start
> (pasted below).
>
> Erik
>
>
>
> deepak wrote:
>
> Hi,
> Using XML date validation, how do I check if the entered date is in
the future or not ?
>
> Thanks
>
> --Deepak
>
>
>
> -------- Original Message --------
> Subject: Re: Hmm... i will go crazy due to validation
> Date: Wed, 05 Jan 2005 05:40:26 -0500
> From: Erik Weber <[EMAIL PROTECTED]>
> To: Struts Users Mailing List <user@struts.apache.org>
> References: <[EMAIL PROTECTED]>
>
>
>
> This is not a direct answer to any of your questions but perhaps it will
> spur your thinking.
>
> This is an example of using a custom ("pluggable") validator that makes
> sure a date entry is not only a real date, but that the date is within a
> desired range (seemingly you are wanting to do something similar to
> this). I wrote this for Struts 1.1. I don't know if there is something
> new and improved that would be better, but it works.
>
> >From validation.xml (you'll see the use of the "date" rule -- which
> uses the "datePattern" variable, as well as my custom "dateRange" rule
> -- which uses the "minDate" and "maxDate" variables):
>
> <field property="licenseExpirationDate" depends="date,dateRange">
> <arg0 key="vendor.edit.label.licenseExpirationDate"/>
> <var>
> <var-name>datePattern</var-name>
> <var-value>MM/dd/yyyy</var-value>
> </var>
> <var>
> <var-name>minDate</var-name>
> <var-value>01/01/1900</var-value>
> </var>
> <var>
> <var-name>maxDate</var-name>
> <var-value>12/31/2030</var-value>
> </var>
> </field>
>
>
>
> >From validator-rules.xml:
>
> <validator name="dateRange"
> classname="ValidationUtil"
> method="validateDateRange"
> methodParams="java.lang.Object,
>
> org.apache.commons.validator.ValidatorAction,
>
> org.apache.commons.validator.Field,
>
> org.apache.struts.action.ActionErrors,
>
> javax.servlet.http.HttpServletRequest"
> depends="required"
> msg="errors.dateRange"/>
>
>
> And finally the source of ValidationUtil:
>
>
> import javax.servlet.http.HttpServletRequest;
>
> import java.util.Date;
> import java.text.SimpleDateFormat;
>
> import org.apache.struts.action.ActionErrors;
> import org.apache.struts.validator.Resources;
> import org.apache.commons.validator.Field;
> import org.apache.commons.validator.ValidatorAction;
> import org.apache.commons.validator.ValidatorUtil;
> import org.apache.commons.validator.GenericValidator;
>
> public class ValidationUtil {
>
> public static final String DEFAULT_FORM_DATE_PATTERN = "M/dd/yyyy";
> public static final Date DEFAULT_MIN_DATE = getDefaultMinDate();
> public static final Date DEFAULT_MAX_DATE = getDefaultMaxDate();
>
> public static boolean validateDateRange(Object bean, ValidatorAction
> va, Field field, ActionErrors errors, HttpServletRequest request) {
> //if we're not properly configured to parse dates,
> //all date validation will fail
> if (DEFAULT_MIN_DATE == null || DEFAULT_MAX_DATE == null) return false;
> try {
> String value = ValidatorUtil.getValueAsString(bean,
> field.getProperty());
> Date date = getDate(value, DEFAULT_FORM_DATE_PATTERN);
> Date minDate = getDate(field.getVarValue("minDate"),
> DEFAULT_FORM_DATE_PATTERN);
> Date maxDate = getDate(field.getVarValue("maxDate"),
> DEFAULT_FORM_DATE_PATTERN);
> if (date.compareTo(minDate) < 0 || date.compareTo(maxDate) > 0) {
> errors.add(field.getKey(), Resources.getActionError(request, va,
> field));
> return false;
> }
> return true;
> }
> catch (Exception e) {
> e.printStackTrace();
> errors.add(field.getKey(), Resources.getActionError(request, va,
> field));
> return false;
> }
> }
>
> protected static Date getDate(String dateString, String pattern) {
> Date date = null;
> try {
> SimpleDateFormat df = new SimpleDateFormat(pattern);
> date = df.parse(dateString);
> }
> catch (Exception e) {
> e.printStackTrace();
> }
> return date;
> }
>
> protected static Date getDefaultMinDate() {
> return getDate("01/01/1900", DEFAULT_FORM_DATE_PATTERN);
> }
>
> protected static Date getDefaultMaxDate() {
> return getDate("12/31/2030", DEFAULT_FORM_DATE_PATTERN);
> }
>
> }
>
>
> Maybe you should browse the Struts wiki (wiki.apache.org/struts) for
> example links?
>
> Hope that helps some,
>
> Erik
>
> P.S. I never had much luck with DatePatternStrict, always wondered if it
> was buggy . . . But I guess others are using it successfully?
>
>
>
> Manisha Sathe wrote:
>
> >I am testing struts validatior in one test program. Finally i could do
some date validation for user i/p. I could get javascript pop-up if i enter
it wrongly.
> >
> >i wanted to test server side validation - so i switched off javascript
and tried to submit - it went through w/o throwing any error.
> >
> >Now again pls help me, what i am missing out ? I am using something like
(instead of ActionForm)
> >
> >public class MyForm extends ValidatorForm {
> >
> >....
> >
> >}
> >
> >inside my formbean
> >
> >regards
> >Manisha
> >
> >__________________________________________________
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> >
>
>
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