using an external xml file why won't it work

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Sebastiaan Janssen 4899 posts 14655 karma points MVP admin hq

Aug 18, 2010 @ 12:32

Using an external XML file, why won't it work?

So I'm trying show the results of a Twitter search through XSLT like this:

<xsl:variable name="twitterSearch" select="umbraco.library:GetXmlDocumentByUrl('http://search.twitter.com/search.atom?lang=all&q=umbraco')"/>

This results in some beautiful XML:

<feed xmlns:google="http://base.google.com/ns/1.0" xml:lang="en-US" xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/" xmlns="http://www.w3.org/2005/Atom" xmlns:twitter="http://api.twitter.com/">
  <id>tag:search.twitter.com,2005:search/umbraco</id>
  <link type="text/html" href="http://search.twitter.com/search?q=umbraco" rel="alternate"/>
  <link type="application/atom+xml" href="http://search.twitter.com/search.atom?lang=all&amp;q=umbraco" rel="self"/>
  <title>umbraco - Twitter Search</title>
  <link type="application/opensearchdescription+xml" href="http://search.twitter.com/opensearch.xml" rel="search"/>
  <link type="application/atom+xml" href="http://search.twitter.com/search.atom?lang=all&amp;q=umbraco&amp;since_id=21479337184" rel="refresh"/>
  <twitter:warning>since_id removed for pagination.</twitter:warning>
  <updated>2010-08-18T10:22:13Z</updated>
  <openSearch:itemsPerPage>15</openSearch:itemsPerPage>
  <link type="application/atom+xml" href="http://search.twitter.com/search.atom?max_id=21479337184&amp;page=2&amp;q=umbraco" rel="next"/>
  <entry>
    <id>tag:search.twitter.com,2005:21479337184</id>
    <published>2010-08-18T10:22:13Z</published>
    <link type="text/html" href="http://twitter.com/undisclosedp/statuses/21479337184" rel="alternate"/>
    <title>Have an umbraco site on 4.0.3 are there any security issues that would make me to upgrade? Users are hesitant to let me just for features!</title>
    <content type="html">Have an &lt;b&gt;umbraco&lt;/b&gt; site on 4.0.3 are there any security issues that would make me to upgrade? Users are hesitant to let me just for features!</content>
    <updated>2010-08-18T10:22:13Z</updated>
    <link type="image/png" href="http://a2.twimg.com/profile_images/540081894/nom0001_normal.jpg" rel="image"/>
    <twitter:geo>
    </twitter:geo>
    <twitter:metadata>
      <twitter:result_type>recent</twitter:result_type>
    </twitter:metadata>
    <twitter:source>&lt;a href=&quot;http://www.realmacsoftware.com/socialite&quot; rel=&quot;nofollow&quot;&gt;Socialite.app&lt;/a&gt;</twitter:source>
    <twitter:lang>en</twitter:lang>
    <author>
      <name>undisclosedp (Michael)</name>
      <uri>http://twitter.com/undisclosedp</uri>;
    </author>
  </entry>
</feed>

But then I try to select something but I get no results, why? Examples:

<xsl:copy-of select="$twitterSearch/feed" />

<xsl:copy-of select="$twitterSearch//feed" />

<xsl:copy-of select="$twitterSearch//entry" />

None of these output anything.. what's going on?

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Thomas Höhler 1237 posts 1709 karma points MVP

Aug 18, 2010 @ 12:38
0
try
```
<xsl:copy-of select="$twitterSearch" />
```
I think you are at the root

Thomas
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Sebastiaan Janssen 4899 posts 14655 karma points MVP admin hq

Aug 18, 2010 @ 12:39

0

@Thomas Yes, that works fine, that produces the XML that you see..

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Lee Kelleher 3945 posts 15163 karma points MVP 10x admin c-trib

Aug 18, 2010 @ 12:48

Sebastiaan, Sebastiaan, Sebastiaan... it's all about the namespaces! ;-)

First try this...

<xsl:copy-of select="$twitterSearch/atom:feed" />

If that doesn't work, then try adding the namespaces to the top of your XSLT.

<xsl:stylesheet
    version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxml="urn:schemas-microsoft-com:xslt"
    xmlns:umbraco.library="urn:umbraco.library"
    xmlns:google="http://base.google.com/ns/1.0"
    xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/"
    xmlns:atom="http://www.w3.org/2005/Atom"
    xmlns:twitter="http://api.twitter.com/"
    exclude-result-prefixes="msxml umbraco.library google openSearch atom twitter">

Namespaces have caught me out many many times! ;-)

Cheers, Lee.

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Chriztian Steinmeier 2726 posts 8320 karma points MVP 4x admin c-trib

Aug 18, 2010 @ 12:51

2

Hi Sebastiaan,

This is the good old namespace issue... Have a look at this: http://our.umbraco.org/forum/developers/xslt/8016-getXMLDocument-won't-display-any-content

/Chriztian

[EDIT] Arghhh... slain by the might Lee Kelleher :-)

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Sebastiaan Janssen 4899 posts 14655 karma points MVP admin hq

Aug 18, 2010 @ 13:58

0

Thanks guys, that helps a lot!

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