/*
* Copyright 2006 Nathanial X. Freitas, openvision.tv
*
* This code is currently released under the Mozilla Public License.
* http://www.mozilla.org/MPL/
*
* Alternately you may apply the terms of the Apache Software License
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.rometools.feed.module.mediarss.io;
import com.sun.syndication.feed.WireFeed;
import com.sun.syndication.io.impl.RSS20Parser;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.Namespace;
import java.util.List;
/**
* @author Nathanial X. Freitas
*
*
*/
public class RSS20YahooParser extends RSS20Parser {
//the Yahoo Namespace URI they sometimes use in the returns for video.search.yahoo.com RSS feed
private static final String RSS_URI = "urn:yahoo:yn";
//<rss xmlns:media="http://tools.search.yahoo.com/mrss/" xmlns="urn:yahoo:yn" version="2.0">
public RSS20YahooParser() {
this("rss_2.0yahoo");
}
protected RSS20YahooParser(String type) {
super(type);
}
/**
* Indicates if a JDom document is an RSS instance that can be parsed with the parser.
* <p/>
* It checks for RDF ("http://www.w3.org/1999/02/22-rdf-syntax-ns#") and
* RSS ("http://purl.org/rss/1.0/") namespaces being defined in the root element.
*
* @param document document to check if it can be parsed with this parser implementation.
* @return <b>true</b> if the document is RSS1., <b>false</b> otherwise.
*/
public boolean isMyType(Document document) {
boolean ok = false;
Element rssRoot = document.getRootElement();
Namespace defaultNS = rssRoot.getNamespace();
List additionalNSs = rssRoot.getAdditionalNamespaces();
ok = (defaultNS != null) && defaultNS.equals(getRSSNamespace());
return ok;
}
/**
* Returns the namespace used by RSS elements in document of the RSS 1.0
* <P>
*
* @return returns "http://purl.org/rss/1.0/".
*/
protected Namespace getRSSNamespace() {
return Namespace.getNamespace(RSS_URI);
}
/**
* After we parse the feed we put "rss_2.0" in it (so converters and generators work)
* this parser is a phantom.
*
*/
protected WireFeed parseChannel(Element rssRoot) {
WireFeed wFeed = super.parseChannel(rssRoot);
wFeed.setFeedType("rss_2.0");
return wFeed;
}
}