[jira] Reopened: (TUSCANY-2871) ClassCastException using atom-abdera binding

["Luciano Resende (JIRA)" <de...@tuscany.apache.org>]

     [ https://issues.apache.org/jira/browse/TUSCANY-2871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luciano Resende reopened TUSCANY-2871:
--------------------------------------

      Assignee:     (was: Dan Becker)

I'm seeing the same issues in other test cases because it's pointing to an rss feed.
We should try to fix this in the binding code, rather then just changing the feed to be an atom feed. 

> ClassCastException using atom-abdera binding
> --------------------------------------------
>
>                 Key: TUSCANY-2871
>                 URL: https://issues.apache.org/jira/browse/TUSCANY-2871
>             Project: Tuscany
>          Issue Type: Bug
>          Components: Java SCA ATOM Binding Extension
>    Affects Versions: Java-SCA-1.4
>            Reporter: Brent Daniel
>             Fix For: Java-SCA-Next
>
>
> If you use the atom-abdera binding with a reference that points to an RSS feed rather than an atom feed, you get a ClassCastException rather than a reasonable error. This occurs in the Tuscany feed-aggregator sample, but the exception is being swallowed in the java implementation.
> From FeedAggregator.composite in the feed-aggregator sample (the uri points to an RSS 2.0 feed): 
> <reference name="atomFeed1">
>    	 		<tuscany:binding.atom uri="http://www.oreillynet.com/pub/feed/35"/>
>   </reference>
> The following code in AtomBindingInvoker (346-348) results in the ClassCastException:
>      Document<Feed> doc = abderaParser.parse(new InputStreamReader(getMethod.getResponseBodyAsStream()));
>                     parsing = true;
>                     Feed feed = doc.getRoot();
> doc.getRoot() returns an instance of org.apache.abdera.parser.stax.FOMExtensibleElement rather than Feed. 
> AggregatorImpl in the feed-aggregator sample is swallowing the exception here (85-89):
>  if (atomFeed1 != null) {
>             try {
>                 entries.addAll(atomFeed1.getFeed().getEntries());
>             } catch (Exception e) {}
>         }

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