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add atom links for rss feeds

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Athou
2013-05-21 13:36:20 +02:00
parent 3329c8cd50
commit 23512e95a7
1 changed files with 36 additions and 1 deletions
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37
src/main/java/com/commafeed/backend/feeds/FeedParser.java
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@@ -8,6 +8,8 @@ import java.util.List;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.SystemUtils;
import org.jdom.Element;
import org.jdom.Namespace;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.InputSource;
@@ -23,6 +25,7 @@ import com.sun.syndication.feed.synd.SyndEnclosure;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.feed.synd.SyndLink;
import com.sun.syndication.feed.synd.SyndLinkImpl;
import com.sun.syndication.io.FeedException;
import com.sun.syndication.io.SyndFeedInput;
@@ -30,6 +33,10 @@ public class FeedParser {
private static Logger log = LoggerFactory.getLogger(FeedParser.class);
private static final String ATOM_10_URI = "http://www.w3.org/2005/Atom";
private static final Namespace ATOM_10_NS = Namespace
.getNamespace(ATOM_10_URI);
private static final Date START = new Date(0);
private static final Date END = new Date(1000l * Integer.MAX_VALUE);
@@ -52,8 +59,9 @@ public class FeedParser {
xml, encoding));
InputSource source = new InputSource(new StringReader(xmlString));
SyndFeed rss = new SyndFeedInput().build(source);
handleForeignMarkup(rss);
fetchedFeed.setTitle(rss.getTitle());
fetchedFeed.setHub(findHub(rss));
fetchedFeed.setTopic(findSelf(rss));
@@ -96,6 +104,33 @@ public class FeedParser {
return fetchedFeed;
}
/**
* Adds atom links for rss feeds
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
private void handleForeignMarkup(SyndFeed feed) {
Object foreignMarkup = feed.getForeignMarkup();
if (foreignMarkup == null) {
return;
}
if (foreignMarkup instanceof List) {
List elements = (List) foreignMarkup;
for (Object object : elements) {
if (object instanceof Element) {
Element element = (Element) object;
if ("link".equals(element.getName())
&& ATOM_10_NS.equals(element.getNamespace())) {
SyndLink link = new SyndLinkImpl();
link.setRel(element.getAttributeValue("rel"));
link.setHref(element.getAttributeValue("href"));
feed.getLinks().add(link);
}
}
}
}
}
private Date getUpdateDate(SyndEntry item) {
Date date = item.getUpdatedDate();
if (date == null) {