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https://issues.apache.org/jira/browse/WSS-143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635104#action_12635104
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Werner Dittmann commented on WSS-143:
-------------------------------------
At which point during the processing do you look at the message?
The stream that WSS4J sends over the wire usually does not contain
the duplicate namespaces. During internal processing this is the
normal way to represent namespaces in a DOM (IIRC). Before sending
WSS4J preforms C14N to produce the "real" stream.
> Better management of namespace declarations....
> -----------------------------------------------
>
> Key: WSS-143
> URL: https://issues.apache.org/jira/browse/WSS-143
> Project: WSS4J
> Issue Type: Improvement
> Components: WSS4J Handlers
> Affects Versions: 1.5.5
> Reporter: Daniel Kulp
> Assignee: Ruchith Udayanga Fernando
>
> For performance reasons, (and readability) it would be better if wss4j didn't
> duplicate namespace decls on all the child elements if they are redundant or
> not needed. For example:
> <wsu:Timestamp
> xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";
> wsu:Id="Timestamp-1606023307">
> <wsu:Created
> xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";>2008-09-26T20:14:28.841Z</wsu:Created>
> <wsu:Expires
> xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";>2008-09-26T20:19:28.841Z</wsu:Expires>
> </wsu:Timestamp>
> could be shortened to:
> <wsu:Timestamp
> xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";
> wsu:Id="Timestamp-1606023307">
> <wsu:Created>2008-09-26T20:14:28.841Z</wsu:Created>
> <wsu:Expires>2008-09-26T20:19:28.841Z</wsu:Expires>
> </wsu:Timestamp>
> That would save bandwidth, make parsing faster (less to parse/process), the
> DOM model smaller in memory, etc...
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