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https://issues.apache.org/jira/browse/CXF-3692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aki Yoshida updated CXF-3692:
-----------------------------
Fix Version/s: 2.4.2
> Enhancing the element-append and drop options of InTransformReader used by
> transform feature
> --------------------------------------------------------------------------------------------
>
> Key: CXF-3692
> URL: https://issues.apache.org/jira/browse/CXF-3692
> Project: CXF
> Issue Type: Improvement
> Components: Core
> Affects Versions: 2.4.1
> Reporter: Aki Yoshida
> Assignee: Aki Yoshida
> Fix For: 2.4.2, 2.5
>
>
> The current implementation is limited to
> *transform*
> transform the name of an existing element from x1:e1 to x2:e2,
> from
> {code:xml}
> <x1:e1 xmlns:x1="ns1" ...>
> <x3:e3>...</x3:e3>
> </x1:e1>
> {code}
> to
> {code:xml}
> <x2:e2 xmlns:x2="ns2">
> <x3:e3>...</x3:e3>
> </x2:e2>
> {code}
> using element property
> key="{ns1}e1" value="{ns2}e2"
> *append*
> wrap an existing element x1:e1 with a new element x2:e2,
> from
> {code:xml}
> <x1:e1 ...>...</x1:e1>
> {code}
> to
> {code:xml}
> <x2:e2 ...>
> <x1:e1 ...>...</x1:e1>
> </x2:e2>
> {code}
> using append property
> key="{ns1}e1" value="{ns2}e2"
> *drop*
> unwrap an existing element x1:e1 from element x2:e2,
> from
> {code:xml}
> <x2:e2 ...>
> <x1:e1 ...>...</x1:e1>
> </x2:e2>
> {code}
> to
> {code:xml}
> <x1:e1 ...>...</x1:e1>
> {code}
> using drop property
> value="{ns2}e2"
> The enhanced implementation provides the following additional operations.
> *deep-drop*
> drop an existing element x2:e2 completely,
> from
> {code:xml}
> <x3:e3 ...>
> <x2:e2 ...>
> <x1:e1>...</x1:e1>
> </x2:e2>
> <x2:e4>...</x2:e4>
> </x3:e3>
> {code}
> to
> {code:xml}
> <x3:e3 ...>
> <x2:e4>...</x2:e4>
> </x3:e3>
> {code}
> using transform property
> key="{ns2}e2" value=""
> In contrast, the previously supported drop (or unwrap) operation can be seen
> as a shallow drop which results in
> {code:xml}
> <x3:e3 ...>
> <x1:e1>...</x1:e1>
> <x2:e4>...</x2:e4>
> </x3:e3>
> {code}
> using drop property
> value="{ns2}e2"
> *append-pre-include*
> append a new element x2:e2 with content v2 before an existing element x1:e1,
> from
> {code:xml}
> <x3:e3 ...>
> <x1:e1>...</x1:e1>
> </x3:e3>
> {code}
> to
> {code:xml}
> <x3:e3 ...>
> <x2:e2>v2</x2:e2>
> <x1:e1>...</x1:e1>
> </x3:e3>
> {code}
> using append property
> key="{ns1}e1" value="{ns2}e2:v2"
> *append-post-include*
> append a new element x2:e2 with content v2 inside an existing element x3:e3,
> from
> {code:xml}
> <x3:e3 ...>
> <x1:e1>...</x1:e1>
> </x3:e3>
> {code}
> to
> {code:xml}
> <x3:e3 ...>
> <x2:e2>v2</x2:e2>
> <x1:e1>...</x1:e1>
> </x3:e3>
> {code}
> using append property
> key="{ns3}e3/" value="{ns2}e2:v2"
> *append-post-wrap*
> append a new element x2:e2 to wrap the content of an existing element x3:e3,
> from
> {code:xml}
> <x3:e3 ...>
> <x1:e1>...</x1:e1>
> <x2:e4>...</x2:e4>
> </x3:e3>
> {code}
> to
> {code:xml}
> <x3:e3 ...>
> <x2:e2>
> <x1:e1>...</x1:e1>
> <x2:e4>...</x2:e4>
> </x2:e2>
> </x3:e3>
> {code}
> using append property
> key="{ns3}e3/" value="{ns2}e2"
> In contrast, the previously supported append (or wrap) can be considered as
> append-pre-wrap which results in
> {code:xml}
> <x2:e2>
> <x3:e3 ...>
> <x1:e1>...</x1:e1>
> <x2:e4>...</x2:e4>
> </x3:e3>
> </x2:e2>
> {code}
> using append property
> key="{ns3}e3" value="{ns2}e2"
> The discussion regarding this change was discussed on users@cxf.
> http://cxf.547215.n5.nabble.com/Problem-with-new-transform-feature-td4599185.html#a4600916
> This change also corrects the issues reported in CXF-3681.
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