Betwixt does not correctly implement namespace scoping
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Key: BETWIXT-67
URL: https://issues.apache.org/jira/browse/BETWIXT-67
Project: Commons Betwixt
Issue Type: Bug
Reporter: Nicholas W.
Priority: Critical
According to: http://www.w3.org/TR/xml-names/#scoping
The scope of a namespace declaration declaring a prefix extends from the
beginning of the start-tag in which it appears to the end of the corresponding
end-tag, excluding the scope of any inner declarations with the same NSAttName
part. In the case of an empty tag, the scope is the tag itself.
Such a namespace declaration applies to all element and attribute names within
its scope whose prefix matches that specified in the declaration.
Namespace declarations are handled in the class AbstractBeanWriter in method
addNamespaceDeclarations
Each new namespace declaration is added to namespacesDeclared and written out
to the attributes of an element just once. The declaration is made just once in
any one object as it is written out. The result is:
Using a dot betwixt file like this:
<?xml version="1.0"?>
<info primitiveTypes="element">
<element name="dc" uri="http://www.openarchives.org/OAI/2.0/oai_dc/";>
<element name="title" property="title"
uri="http://purl.org/dc/elements/1.1/"/>
<element name="creator" property="creator"
uri="http://purl.org/dc/elements/1.1/"/>
<element name="publisher" property="publisher"
uri="http://purl.org/dc/elements/1.1/"/>
<element name="description" property="description"
uri="http://purl.org/dc/elements/1.1/"/>
<element name="identifier" property="identifier"
uri="http://purl.org/dc/elements/1.1/"/>
<element name="subject" property="subject"
uri="http://purl.org/dc/elements/1.1/"/>
</element>
</info>
And with the beanwriter having extra configuration of the
NamespacePrefixMapper like this:
prefixMapper.setPrefix("http://purl.org/dc/elements/1.1/";, "dc");
prefixMapper.setPrefix("http://www.openarchives.org/OAI/2.0/oai_dc/";, "oai_dc");
The XML generated is like this:
<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/";>
<dc:title xmlns:dc="http://purl.org/dc/elements/1.1/";>Sample
Title</dc:title>
<dc:creator>Sample Creator</dc:creator>
<dc:publisher>Sample Publisher</dc:publisher>
<dc:description>Sample Description</dc:description>
<dc:identifier>Sample Identifier</dc:identifier>
<dc:subject>Sample Subject</dc:subject>
</oai_dc:dc>
Which is wrong. The namespace declaration should be in the parent element, or
repeated in all the child elements.
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