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package de.podfetcher.syndication.namespace.atom;
import org.xml.sax.Attributes;
import de.podfetcher.feed.Feed;
import de.podfetcher.feed.FeedItem;
import de.podfetcher.feed.FeedMedia;
import de.podfetcher.syndication.handler.HandlerState;
import de.podfetcher.syndication.namespace.Namespace;
import de.podfetcher.syndication.namespace.SyndElement;
public class NSAtom extends Namespace {
public static final String NSTAG = "atom";
public static final String NSURI = "http://www.w3.org/2005/Atom";
private static final String FEED = "feed";
private static final String TITLE = "title";
private static final String ENTRY = "entry";
private static final String LINK = "link";
private static final String UPDATED = "updated";
private static final String AUTHOR = "author";
private static final String CONTENT = "content";
private static final String TEXT_TYPE = "type";
// Link
private static final String LINK_HREF = "href";
private static final String LINK_REL = "rel";
private static final String LINK_TYPE = "type";
private static final String LINK_TITLE = "title";
private static final String LINK_LENGTH = "length";
// rel-values
private static final String LINK_REL_ALTERNATE = "alternate";
private static final String LINK_REL_ENCLOSURE = "enclosure";
private static final String LINK_REL_RELATED = "related";
private static final String LINK_REL_SELF = "self";
@Override
public SyndElement handleElementStart(String localName, HandlerState state,
Attributes attributes) {
if (localName.equals(ENTRY)) {
state.setCurrentItem(new FeedItem());
state.getFeed().getItems().add(state.getCurrentItem());
state.getCurrentItem().setFeed(state.getFeed());
} else if (localName.equals(TITLE) || localName.equals(CONTENT)) {
String type = attributes.getValue(null, TEXT_TYPE);
return new AtomText(localName, this, type);
} else if (localName.equals(LINK)) {
String href = attributes.getValue(null, LINK_HREF);
String rel = attributes.getValue(null, LINK_REL);
SyndElement parent = state.getTagstack().peek();
if (parent.getName().equals(ENTRY)) {
if (rel == null || rel.equals(LINK_REL_ALTERNATE)) {
state.getCurrentItem().setLink(href);
} else if (rel.equals(LINK_REL_ENCLOSURE)) {
long size = Long.parseLong(attributes.getValue(null,
LINK_LENGTH));
String type = attributes.getValue(null, LINK_TYPE);
String download_url = attributes.getValue(null,
LINK_REL_ENCLOSURE);
state.getCurrentItem().setMedia(
new FeedMedia(state.getCurrentItem(), download_url,
size, type));
}
} else if (parent.getName().equals(FEED)) {
if (rel == null || rel.equals(LINK_REL_ALTERNATE)) {
state.getCurrentItem().setLink(href);
}
}
}
return new SyndElement(localName, this);
}
@Override
public void handleCharacters(HandlerState state, char[] ch, int start,
int length) {
}
@Override
public void handleElementEnd(String localName, HandlerState state) {
// TODO Auto-generated method stub
}
}
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