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POParsing `<media:content>` RSS feed tags using touchXML
 

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  1. POParsing `<media:content>` RSS feed tags using touchXML
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    <p>I have the following RSS feed that I'm trying to parse using touchXML for an iphone application.</p> <pre><code>&lt;rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:ext="http://ooyala.com/syndication/ext/" xmlns:mediasl="http://www.slide.com/funspace/developer/" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:boxee="http://boxee.tv/spec/rss/"&gt; &lt;channel&gt; &lt;title&gt;Channel Title&lt;/title&gt; &lt;description&gt;Channel Description&lt;/description&gt; &lt;link&gt;link&lt;/link&gt; &lt;item&gt; &lt;title&gt;title&lt;/title&gt; &lt;guid isPermaLink="false"&gt;k2dDRpMTpto4kdpU_NhGmNGKRK0Ny0PH&lt;/guid&gt; &lt;pubDate&gt;Fri, 25 Jun 2010 06:53:48 +0000&lt;/pubDate&gt; &lt;media:title&gt;title&lt;/media:title&gt; &lt;media:keywords&gt;Others&lt;/media:keywords&gt; &lt;media:category scheme="http://www.ooyala.com"&gt;/JBay10&lt;/media:category&gt; &lt;media:category scheme="http://www.ooyala.com"&gt;/JBay10/Webisodes&lt;/media:category&gt; &lt;media:thumbnail url="http://ak.c.ooyala.com/k2dDRpMTpto4kdpU_NhGmNGKRK0Ny0PH/BqcWmm1bH0zjWgL35lMDoxOjBrO7OBB8" width="640" height="360"/&gt; &lt;dcterms:valid&gt;start=2010-06-25T06:53+00:00;scheme=W3C-DTF&lt;/dcterms:valid&gt; &lt;media:group&gt; &lt;media:content url="http://api.ooyala.com/syndication/stream_redirect?pcode=N2d2U6Azh1SxAcZeoJia-srBQAtY&amp;amp;expires=1277743230&amp;amp;streamID=2678810&amp;amp;signature=beZ2o45XNredayqbtIzzL7khsnt1EEjwByf0yMgSEv8&amp;amp;size=20985109&amp;amp;length=163280" type="video/mp4" medium="video" expression="full" bitrate="900" framerate="25.0" samplingrate="32.0" duration="163" lang="en"/&gt; &lt;/media:group&gt; &lt;/item&gt; ... &lt;/channel&gt; </code></pre> <p>The problem I'm having is that I cannot access the <code>&lt;media:...&gt;</code> tags especially the url at <code>&lt;media:content&gt;</code>. The code I'm using the following method to parse the rss feed.</p> <pre><code>-(NSMutableArray *) grabXMLFeed:(NSString *)feedAddress{ NSURL *url = [NSURL URLWithString: feedAddress]; CXMLDocument *rssParser = [[[CXMLDocument alloc] initWithContentsOfURL:url options:0 error:nil] autorelease]; NSArray *resultNodes = NULL; resultNodes = [rssParser nodesForXPath:@"//item" error:nil]; NSMutableArray *videos = [[NSMutableArray alloc] init]; for (CXMLElement *resultElement in resultNodes) { int counter; NSMutableDictionary *video = [[NSMutableDictionary alloc] init]; for(counter = 0; counter &lt; [resultElement childCount]; counter++) { NSString *val = [[resultElement childAtIndex:counter] stringValue]; if ([val length] != 0) { [video setObject:[[resultElement childAtIndex:counter] stringValue] forKey:[[resultElement childAtIndex:counter] name]]; } } [videos addObject:[video copy]]; [video release]; } return videos; } </code></pre> <p>What can I do to get the url stored at the <code>&lt;media:content&gt;</code> ?</p> <p>Thanks </p>
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    1. COHi ;) That's a namespace data. I'm not sure but on the google code page of TouchXML the roadmap they mention namespace support: http://code.google.com/p/touchcode/wiki/TouchXML
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    2. COWhy don't you use NSXMLParser?
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    3. COOk, I'll do that.
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