XNI: best startegy to move from start/endPrefixMapping

[Aleksander Slominski]

hi,

i have code (PullParser2 and XPP3) that relies on start/endPrefixMapping and to be backward compatible i want to keep it.

however based on reading of release notes (http://xml.apache.org/xerces2-j/releases.html) i am not sure if in future those call may not be used (as they are now deprecated ...)

what is the best strategy to deal with it? for example should i call start/endPrefixMapping manually from start/endElement but how can i detect that in future Xerces2 XNI will or will not call for me start/endPrefixMapping? how to detect what version of XNI will use require use of NamespaceContext in future (and will not call my start/endPrefixMapping)? was NamespaceContext class available in all versions of Xerces2 (i have never used it before) - if not how i can write/implement XMLDocumentHandler that will have method with NamespaceContext so it will fail to work with old X2 (should i maybe make a copy of org.apache.xerces.xni.NamespaceContext and bundle it with XPP2/XPP3 code?)

it is possible at all to have backward compatibility with older Xerces 2 (older versions of X2 are still used in many projects) or i should just give up on it and after checking X2 verion fail fast by throwing exception to user?

i will appreciate any info regarding this issue.

thanks,

alek

--
The ancestor of every action is a thought. - Ralph Waldo Emerson


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