Validating array integers fails
-------------------------------
Key: VALIDATOR-189
URL: http://issues.apache.org/jira/browse/VALIDATOR-189
Project: Commons Validator
Type: Bug
Environment: Tomcat 5.5.17, Struts 1.2.9 (default validator 1.1.4 and 1.3.0)
Reporter: tomster
I posted this issue on Struts and it got determined to be a validator bug (or
appears to be).
There seems to be some issue with validating integer arrays:
html:
<html:select property="types" multiple="true" size="3" >
<html:option value="1">should work</html:option>
<html:option value="2">should work as well</html:option>
<html:option value="blah">this will fail validation</html:option>
</html:select>
actionform:
public class PropertyFilter implements Serializable
{
private String[] types;
public String[] getTypes() {
return types;
}
public void setTypes(String[] types) {
this.types = types;
}
}
validation.xml:
<formset>
<form name="PropertyFilterForm">
<field property="types" depends="integer">
<arg0 key="text.validation.type"/>
</field>
</form>
</formset>
Even if all values are integer, it will fail validation regardless. According
to http://www.strutskickstart.com/IndexedPropertiesandValidation.ppt#18 I
should
do something like:
<field property="types" indexedListProperty="types" depends="integer">
<arg0 key="text.validation.type"/>
</field>
This time, it does indeed check all the values are of type integer, however,
if you do not select anything (the field is not required) the result is:
java.lang.NullPointerException
org.apache.commons.validator.Field.getIndexedProperty(Field.java:796)
org.apache.commons.validator.Field.validate(Field.java:891)
..
Also having scoured all documentation in current and future builds and there is
no example of validating an integer array.
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