hi,
I provided declarative XML validation for a form where the action would
expose primitive type properties. The problem is that a primitive type
property left blank in the form would never be caught as not provided by
the "required" validation. The property would instead be set with the
default value for such primitive type. When the text field in the form
is left empty the "required" validation wont work but instead
setExchangeRate would be called with 0.0 value, same for int, boolean
etc. The workaround is to using the corresponding boxed type e.g.
Double, Integer but e.g. Boolean would not work like this.
TIA
regards,
Giovanni
************ MyForm.jsp ****************
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="sx" uri="/struts-dojo-tags" %>
<s:form id="formSimulation" action="%{targetAction}" method="post"
theme="%{currentTheme}">
<s:textfield tooltip="Provide the Exchange Rate" label="Exchange
Rate" cssStyle="width: 250px;" name="exchangeRate" />
<!-- etc -->
<s:submit value="%{buttonLabel}" align="center"/>
</s:form>
************ MyAction.java **************
public class MyAction {
// ...
public void
setExchangeRate(double anExchangeRate) {
theExchangeRate = anExchangeRate;
};
}
********** MyAction-validation.xml ********
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator
1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd";>
<!-- START VALIDATOR: SimulationRun -->
<validators>
<field name="exchangeRate">
<field-validator type="required">
<message>Exchange rate must be provided</message>
</field-validator>
<field-validator type="double">
<message>Exchange rates must be of numeric type</message>
</field-validator>
</field>
</validators>
<!-- END VALIDATOR: SimulationRun -->
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