With the new version of Struts, we are getting a NullPointerException whenever
custom rules are being run because they are expecting a parameter list of:
Object Bean,
ValidatorAction va,
Field field,
ActionErrors errors,
org.apache.commons.validator.Validator validator,
HttpServletRequest request
and the ActionErrors.errors object is being sent in as null. This did not
happen in struts 1.1
Has the custom error handling for Struts changed in the new version?
Here are some of our rules:
=========================
<validator name="dateIsPast"
classname="com.wf.bd.ice.rules.validation.ICEFieldChecks"
method="validateDateIsPast"
methodParams="java.lang.Object,
org.apache.commons.validator.ValidatorAction,
org.apache.commons.validator.Field,
org.apache.struts.action.ActionErrors,
org.apache.commons.validator.Validator,
javax.servlet.http.HttpServletRequest"
msg="errors.dateIsPast">
</validator>
And here is the Java Class:
======================
public static boolean validateDateIsPast(
Object bean, ValidatorAction va, Field field, ActionErrors errors,
org.apache.commons.validator.Validator validator,
HttpServletRequest request
) {
Object form =
validator.getResource(
org.apache.commons.validator.Validator.BEAN_KEY
);
String monthVal = null;
if(isString(bean)) {
monthVal = (String) bean;
} else {
monthVal =
ValidatorUtil.getValueAsString(bean, field.getProperty());
}
String yearVal = null;
if(!GenericValidator.isBlankOrNull(field.getVarValue("year"))) {
String yearProp = field.getVarValue("year");
yearVal = ValidatorUtil.getValueAsString(form, yearProp);
}
if((monthVal == null) || (yearVal == null)) {
return false;
}
int month;
int year;
try {
month = Integer.parseInt(monthVal);
year = Integer.parseInt(yearVal);
} catch(NumberFormatException nfe) {
return false;
}
// set the month-year date with the 1st of the month
Calendar then = new GregorianCalendar(year, month - 1, 1);
Calendar now = new GregorianCalendar();
if(then.after((Calendar) now)) {
errors.add(
field.getKey(), Resources.getActionError(request, va, field)
);
return false;
}
return true;
}
--------------------
Mick Knutson
Wells Fargo Business Direct Information Systems
(415) 222-1020
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