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Posted to muse-dev@ws.apache.org by "Oliver Waeldrich (JIRA)" <ji...@apache.org> on 2006/12/08 12:47:24 UTC
[jira] Commented: (MUSE-159) Schema validation fails for NonNilable
ResourceProperties, when child elements of the resource properties are
optional (minOccours="0")
[ http://issues.apache.org/jira/browse/MUSE-159?page=comments#action_12456789 ]
Oliver Waeldrich commented on MUSE-159:
---------------------------------------
A workaround for this issue is ton include a white space in the element text. The resulting xml would look like
<MyType> <MyType>
and is validated successful in contrast to </MyType>.
However, this looks quite dirty to me. Therfore I would suggest to determine if an element is nil the presence of the xsi:nil attribute should be checked.
<MyType xsi:nil="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
I have not checked it, but for me it looks like the above sample would be validated as NOT nil since some attribute is present. Therefore I think it might be sensible to look at the nil attribute rather then checking the content. A patch could look like foolows:
String nil = instances[n].getAttributeNS("http://www.w3.org/2001/XMLSchema-instance", "nil");
boolean isNil = (nil == null) ? false : Boolean.valueOf(nil).booleanValue();
if (isNil) throw new SchemaValidationFault(message);
> Schema validation fails for NonNilable ResourceProperties, when child elements of the resource properties are optional (minOccours="0")
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MUSE-159
> URL: http://issues.apache.org/jira/browse/MUSE-159
> Project: Muse
> Issue Type: Bug
> Components: WSRF WSRP ResourcePropertyCollection and Capabilities
> Affects Versions: 2.0.0 M1, 2.0.0 M2, 2.0.0, 2.1.0
> Reporter: Oliver Waeldrich
> Assigned To: Dan Jemiolo
> Priority: Minor
>
> I have the following declaration for ResourceProperties in my wsdl-file:
> <xs:complexType name="MyPropertiesType">
> <xs:sequence>
> <xs:element ref="tns:MyType" />
> </xs:sequence>
> </xs:complexType>
> <xs:element name="MyType" type="tns:MyType1" />
> <xs:complexType name="MyType1">
> <xs:sequence>
> <xs:element ref="tns:MyType2" minOccurs="0" />
> </xs:sequence>
> </xs:complexType>
> However, the schema validation (validateSchema() in SimpleResourcePropertyCollection) does not honor that the property may be empty (e.g. <MyType/>) and recognizes it as nil. Therefore the schema validation process breaks.
> // some sort of "can be empty check" is missing here
> if (!isNillable)
> {
> for (int n = 0; n < instances.length; ++n)
> {
> //
> // check for child elements, attributes, and text, all of
> // which qualify an element as "not null"
> //
> if (!instances[n].hasChildNodes() &&
> !instances[n].hasAttributes() &&
> XmlUtils.extractText(instances[n]) == null)
> throw new SchemaValidationFault(message);
> }
> }
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