Re: [xml-dev] combining XMLEvent lists

[Michael Kay <mike@saxonica.com>]

  Clearly a job for XSLT 2.0, where the processing will be vastly easier 
than in Java.

Michael Kay
Saxonica



On 28/09/2010 1:21 PM, Johannes.Lichtenberger wrote:
> Hello,
>
> I've got an Iterator with Lists (Java) out of XMLEvents, which are
> serialized fragments like:
>
>    <page>
>      <id>732819</id>
>      <title>blubb</title>
>      <revision>
>        <id>233192</id>
>        <timestamp>2000-01-21T02:12:21Z</timestamp>
>        <text>blaaaaa</text>
>      </revision>
>    </page>
>
> I want to find combine Lists which have the same page id and the same
> revision timestamp, for example:
>
> List 1:
>    <page>
>      <id>732819</id>
>      <title>blubb</title>
>      <revision>
>        <id>233192</id>
>        <timestamp>2000-01-21T02:12:21Z</timestamp>
>        <text>blaaaaa</text>
>      </revision>
>    </page>
>
> List 2:
>    <page>
>      <id>732819</id>
>      <title>blubb</title>
>      <revision>
>        <id>333345</id>
>        <timestamp>2000-01-21T02:12:21Z</timestamp>
>        <text>foobar</text>
>      </revision>
>    </page>
>
> List 3:
>    <page>
>      <id>732819</id>
>      <title>blubb</title>
>      <revision>
>        <id>333345</id>
>        <timestamp>2000-02-23T03:12:21Z</timestamp>
>        <text>baz</text>
>      </revision>
>    </page>
>
> should become Lists of XMLEvents, which are serialized as
>
> Final List 1:
>    <page>
>      <id>732819</id>
>      <title>blubb</title>
>      <revision>
>        <id>233192</id>
>        <timestamp>2000-01-21T02:12:21Z</timestamp>
>        <text>blaaaaa</text>
>      </revision>
>      <revision>
>        <id>333345</id>
>        <timestamp>2000-01-21T02:12:21Z</timestamp>
>        <text>foobar</text>
>      </revision>
>    </page>
>
> Final List 2:
>    <page>
>      <id>732819</id>
>      <title>blubb</title>
>      <revision>
>        <id>333345</id>
>        <timestamp>2000-02-23T03:12:21Z</timestamp>
>        <text>baz</text>
>      </revision>
>    </page>
>
> I want to work with the Lists itself, but I don't think XPath-Parsers
> are capable of processing something like a List of XMLEvents.
>
> regards,
> Johannes
>
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