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initial pubsubhubbub support (#44)

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Athou
2013-05-20 14:06:09 +02:00
parent badc830535
commit c88d3021b8
14 changed files with 389 additions and 7 deletions
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29
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.InputSource;
import com.commafeed.backend.model.Feed;
@@ -20,11 +22,14 @@ import com.sun.syndication.feed.synd.SyndContent;
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.io.FeedException;
import com.sun.syndication.io.SyndFeedInput;
public class FeedParser {
private static Logger log = LoggerFactory.getLogger(FeedParser.class);
private static final Date START = new Date(0);
private static final Date END = new Date(1000l * Integer.MAX_VALUE);
@@ -50,6 +55,8 @@ public class FeedParser {
SyndFeed rss = new SyndFeedInput().build(source);
fetchedFeed.setTitle(rss.getTitle());
fetchedFeed.setHub(findHub(rss));
fetchedFeed.setTopic(findSelf(rss));
feed.setUrl(feedUrl);
feed.setLink(rss.getLink());
List<SyndEntry> items = rss.getEntries();
@@ -124,4 +131,26 @@ public class FeedParser {
return content;
}
@SuppressWarnings("unchecked")
private String findHub(SyndFeed feed) {
for (SyndLink l : (List<SyndLink>) feed.getLinks()) {
if ("hub".equalsIgnoreCase(l.getRel())) {
log.info("found hub {} for feed {}", l.getHref(), feed.getLink());
return l.getHref();
}
}
return null;
}
@SuppressWarnings("unchecked")
private String findSelf(SyndFeed feed) {
for (SyndLink l : (List<SyndLink>) feed.getLinks()) {
if ("self".equalsIgnoreCase(l.getRel())) {
log.info("found self {} for feed {}", l.getHref(), feed.getLink());
return l.getHref();
}
}
return null;
}
}