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List:       wss4j-dev
Subject:    [jira] [Assigned] (XMLSCHEMA-51) Problem with included schemas with attribute group references
From:       "Colm O hEigeartaigh (Jira)" <jira () apache ! org>
Date:       2020-01-03 12:14:00
Message-ID: JIRA.13145939.1521277675000.402833.1578053640282 () Atlassian ! JIRA
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     [ https://issues.apache.org/jira/browse/XMLSCHEMA-51?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Colm O hEigeartaigh reassigned XMLSCHEMA-51:
--------------------------------------------

    Assignee: Colm O hEigeartaigh

> Problem with included schemas with attribute group references
> -------------------------------------------------------------
> 
> Key: XMLSCHEMA-51
> URL: https://issues.apache.org/jira/browse/XMLSCHEMA-51
> Project: XmlSchema
> Issue Type: Question
> Reporter: Fady Moussallam
> Assignee: Colm O hEigeartaigh
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
> 
> Hello,
> I am using version 2.2.3.
> I have a problem with a combination of included schemas and attribute group \
> references. Say you have schemaA including schemaB. schemaB does not have a default \
> namespace, nor a target namespace, since it is meant to be included. It therefore \
> inherits the namespace of the including schema (in this case schemaA). The problem \
> arises if schemaB contains markup like this: {code}
> <xs:attributeGroup ref="QuantityGroup"/>
> ...
> </xs:attributeGroup>
> {code}
> In org.apache.ws.commons.schema.SchemaBuilder#handleAttributeGroupRef the reference \
> QName is obtained with the getRefQName(String pName, Node pNode) method. In this \
> method, the namespace is derived using the \
> NodeNamespaceContext.getNamespaceContext(pNode) method. This one in turn determines \
> available namespaces directly from the DOM using \
> PrefixCollector.searchAllPrefixDeclarations(pNode). Problem is that from a DOM \
> standpoint schemaB does not contain any namespace declarations. So the reference \
> QName end up having no namespace. This seems wrong and creates problems when later \
> on you want to find the referenced group using \
> XmlSchemaCollection#getAttributeGroupByName(QName name) which returns null. I can \
> fix my issue in SchemaBuilder#getRefQName by doing this: {code}
> ...
> if (offset == -1) {
> uri = pContext.getNamespaceURI(Constants.DEFAULT_NS_PREFIX);
> if (Constants.NULL_NS_URI.equals(uri)) {
> if (currentSchema.getLogicalTargetNamespace().isEmpty()) {
> return new QName(Constants.NULL_NS_URI, pName);
> } else {
> return new QName(currentSchema.getLogicalTargetNamespace(), pName);
> }
> }
> localName = pName;
> prefix = Constants.DEFAULT_NS_PREFIX;
> } else {
> ...
> {code}
> But I am not sure if there are any side effects.
> Any opinion or advice on this would be very appreciated.
> Thank you
> 
> Fady
> 
> 
> 
> 



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