On Wed, Sep 21, 2011 at 9:54 AM, Shamik Bandopadhyay sham...@gmail.com wrote:
Hi,
I'm having an issue in parsing the following XML using jxpath. Here's the
sample XML.
?xml version=1.0 encoding=UTF-8?
feed xmlns=http://www.w3.org/2005/Atom; xmlns:media=
http://search.yahoo.com/mrss/; xmlns:openSearch=
http://a9.com/-/spec/opensearchrss/1.0/; xmlns:gd=
http://schemas.google.com/g/2005; xmlns:yt=
http://gdata.youtube.com/schemas/2007;
entry
idhttp://gdata.youtube.com/feeds/api/videos/P1lDDu9L5YQ/id
published2010-09-20T17:41:38.000Z/published
/entry
entry
idhttp://gdata.youtube.com/feeds/api/videos/P1lDDu9L5YQ/id
published2010-09-20T17:41:38.000Z/published
/entry
/feed
I'm trying to read the contents of entry usig xpath. Heres my code
snippet.
String test = the_xml_example_above;
ByteArrayInputStream is = new ByteArrayInputStream(test.getBytes(UTF-8));
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc22 = db.parse(is);
JXPathContext ctx = JXPathContext.newContext(doc22);
List nodes = ctx.selectNodes(/feed/entry);
Here the list is always 0. Now, if I remove the namespace attributes from
feed, jxpath is able to resolve the entry nodes. Not sure what's the
reason behind this.
I'll appreciate if someone cane provide pointers to this issue.
You've most likely identified your issue yourself. It should work for
you to choose a prefix to use in your xpath queries, and register that
prefix to the Atom namespace before querying.
Matt
-Thanks
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