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package de.danoeh.antennapod.syndication.handler;
import de.danoeh.antennapod.feed.Feed;
import de.danoeh.antennapod.feed.FeedItem;
import de.danoeh.antennapod.syndication.namespace.Namespace;
import de.danoeh.antennapod.syndication.namespace.SyndElement;
import java.util.*;
/**
* Contains all relevant information to describe the current state of a
* SyndHandler.
*/
public class HandlerState {
/**
* Feed that the Handler is currently processing.
*/
protected Feed feed;
/**
* Contains links to related feeds, e.g. feeds with enclosures in other formats. The key of the map is the
* URL of the feed, the value is the title
*/
protected Map<String, String> alternateUrls;
protected ArrayList<FeedItem> items;
protected FeedItem currentItem;
protected Stack<SyndElement> tagstack;
/**
* Namespaces that have been defined so far.
*/
protected HashMap<String, Namespace> namespaces;
protected Stack<Namespace> defaultNamespaces;
/**
* Buffer for saving characters.
*/
protected StringBuffer contentBuf;
public HandlerState(Feed feed) {
this.feed = feed;
alternateUrls = new LinkedHashMap<String, String>();
items = new ArrayList<FeedItem>();
tagstack = new Stack<SyndElement>();
namespaces = new HashMap<String, Namespace>();
defaultNamespaces = new Stack<Namespace>();
}
public Feed getFeed() {
return feed;
}
public ArrayList<FeedItem> getItems() {
return items;
}
public FeedItem getCurrentItem() {
return currentItem;
}
public Stack<SyndElement> getTagstack() {
return tagstack;
}
public void setFeed(Feed feed) {
this.feed = feed;
}
public void setCurrentItem(FeedItem currentItem) {
this.currentItem = currentItem;
}
/**
* Returns the SyndElement that comes after the top element of the tagstack.
*/
public SyndElement getSecondTag() {
SyndElement top = tagstack.pop();
SyndElement second = tagstack.peek();
tagstack.push(top);
return second;
}
public SyndElement getThirdTag() {
SyndElement top = tagstack.pop();
SyndElement second = tagstack.pop();
SyndElement third = tagstack.peek();
tagstack.push(second);
tagstack.push(top);
return third;
}
public StringBuffer getContentBuf() {
return contentBuf;
}
public void addAlternateFeedUrl(String title, String url) {
alternateUrls.put(url, title);
}
}
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