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Posted to commons-dev@ws.apache.org by "Andreas Veithen (JIRA)" <ji...@apache.org> on 2008/12/22 18:04:44 UTC
[jira] Resolved: (WSCOMMONS-423) DOOM doesn't correctly enforce
hierarchy constraints on Document
[ https://issues.apache.org/jira/browse/WSCOMMONS-423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andreas Veithen resolved WSCOMMONS-423.
---------------------------------------
Resolution: Fixed
Fix Version/s: Axiom 1.2.8
> DOOM doesn't correctly enforce hierarchy constraints on Document
> ----------------------------------------------------------------
>
> Key: WSCOMMONS-423
> URL: https://issues.apache.org/jira/browse/WSCOMMONS-423
> Project: WS-Commons
> Issue Type: Bug
> Components: AXIOM
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Priority: Minor
> Fix For: Axiom 1.2.8
>
>
> According to "Document Object Model (DOM) Level 3 Core Specification", section 1.1.1, the children that are allowed for a Document node are:
> Element (maximum of one), ProcessingInstruction, Comment, DocumentType (maximum of one)
> It can be seen that Text nodes are not allowed as children of a Document node. However, currently DOOM's DocumentImpl only enforces this particular constraint if the Document already has an Element child.
> In addition, StAXOMBuilder will request OMDOMFactory to create text nodes at document level. This leads to the following situation:
> 1) Whitespace appearing between a comment and the document element will result in an invalid DOM hierarchy, with a Text node as child of Document.
> 2) Whitespace appearing after the document element will cause a parsing error. Note that this only happens when the client code requests the next sibling of the document element, which is very often not the case.
> To solve this we need a clean way to let StAXOMBuilder discard nodes that are valid in the XML infoset, but that are not allowed (or not representable) by the particular OM implementation.
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