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combining XMLEvent lists

• From: "Johannes.Lichtenberger" <Johannes.Lichtenberger@uni-konstanz.de>
• To: "xml-dev@lists.xml.org" <xml-dev@lists.xml.org>
• Date: Tue, 28 Sep 2010 14:21:52 +0200

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

• Follow-Ups:
  • Re: combining XMLEvent lists
    • From: Michael Kay <mike@saxonica.com>