Converted RSSHandler into RSS 2.0 Namespace

src/de/podfetcher/syndication/handler/FeedHandler.java

@@ -17,7 +17,7 @@ public class FeedHandler {
 	public Feed parseFeed(Feed feed) {
 		TypeGetter tg = new TypeGetter();
 		tg.getType(feed);
-		RSSHandler handler = new RSSHandler(feed);
+		SyndHandler handler = new SyndHandler(feed);
 		try {
 			SAXParserFactory factory =  SAXParserFactory.newInstance();
 			factory.setNamespaceAware(true);

src/de/podfetcher/syndication/handler/HandlerState.java

@@ -36,4 +36,16 @@ public class HandlerState {
 	}
 
 
+	public void setFeed(Feed feed) {
+		this.feed = feed;
+	}
+
+
+	public void setCurrentItem(FeedItem currentItem) {
+		this.currentItem = currentItem;
+	}
+	
+	
+	
+	
 }

src/de/podfetcher/syndication/handler/SyndHandler.java

@@ -10,49 +10,64 @@ import de.podfetcher.feed.Feed;
 import de.podfetcher.syndication.namespace.Namespace;
 import de.podfetcher.syndication.namespace.SyndElement;
 import de.podfetcher.syndication.namespace.atom.NSAtom;
+import de.podfetcher.syndication.namespace.rss20.NSRSS20;
 
+// TODO implement default namespace
 /** Superclass for all SAX Handlers which process Syndication formats */
-public abstract class SyndHandler extends DefaultHandler{
+public class SyndHandler extends DefaultHandler {
 	private static final String TAG = "SyndHandler";
 	protected HandlerState state;
 
 	public SyndHandler(Feed feed) {
 		state = new HandlerState(feed);
+		state.namespaces.put("", new NSRSS20()); // TODO remove later
 	}
 
 	@Override
 	public void startElement(String uri, String localName, String qName,
 			Attributes attributes) throws SAXException {
-		state.tagstack.push(new SyndElement(qName));
-		
 
 		Namespace handler = state.namespaces.get(uri);
 		if (handler != null) {
-			handler.handleElement(localName, state, attributes);
+			handler.handleElementStart(localName, state, attributes);
+			state.tagstack.push(new SyndElement(localName, handler));
+			
 		}
 	}
 
+	@Override
+	public void characters(char[] ch, int start, int length)
+			throws SAXException {
 
+		SyndElement top = state.tagstack.peek();
+		if (top.getNamespace() != null) {
+			top.getNamespace().handleCharacters(state, ch, start, length);
+		}
+		// ignore element otherwise
+	}
 
 	@Override
 	public void endElement(String uri, String localName, String qName)
 			throws SAXException {
-		state.tagstack.pop();
+		Namespace handler = state.namespaces.get(uri);
+		if (handler != null) {
+			handler.handleElementEnd(localName, state);
+			state.tagstack.pop();
+			
+		}
+		
 	}
 
-
-
 	@Override
 	public void endPrefixMapping(String prefix) throws SAXException {
 		// TODO remove Namespace
 	}
 
-
-
 	@Override
 	public void startPrefixMapping(String prefix, String uri)
 			throws SAXException {
-		Log.d(TAG, "Found Prefix Mapping with prefix " + prefix + " and uri " + uri);
+		Log.d(TAG, "Found Prefix Mapping with prefix " + prefix + " and uri "
+				+ uri);
 		// Find the right namespace
 		if (prefix.equals(NSAtom.NSTAG) || uri.equals(NSAtom.NSURI)) {
 			state.namespaces.put(uri, new NSAtom());

src/de/podfetcher/syndication/namespace/Namespace.java

@@ -10,10 +10,17 @@ public abstract class Namespace {
 	public static final String NSTAG = null;
 	public static final String NSURI = null;
 	
-	/** Called by a Feedhandler when in startElement and it detects a namespace element */
+	/** Called by a Feedhandler when in startElement and it detects a namespace element 
-	public abstract void handleElement(String localName, HandlerState state, Attributes attributes);
+	 * 	@return true if namespace handled the element, false if it ignored it
+	 * */
+	public abstract void handleElementStart(String localName, HandlerState state, Attributes attributes);
 	
 	/** Called by a Feedhandler when in characters and it detects a namespace element */
-	public abstract void handleCharacters(String localName, Feed feed, char ch[], int start, int length);
+	public abstract void handleCharacters(HandlerState state, char ch[], int start, int length);
+	
+	/** Called by a Feedhandler when in endElement and it detects a namespace element 
+	 * 	@return true if namespace handled the element, false if it ignored it
+	 * */
+	public abstract void handleElementEnd(String localName, HandlerState state);
 	
 }

src/de/podfetcher/syndication/namespace/SyndElement.java

@@ -6,12 +6,12 @@ public class SyndElement {
 	protected Namespace namespace;
 	
 	public SyndElement(String name, Namespace namespace) {
-		super();
 		this.name = name;
+		this.namespace = namespace;
 	}
 	
 	public Namespace getNamespace() {
-		return null;
+		return namespace;
 	}
 
 	public String getName() {

src/de/podfetcher/syndication/namespace/atom/NSAtom.java

@@ -16,17 +16,22 @@ public class NSAtom extends Namespace {
 	private static final String AUTHOR = "author";
 
 	@Override
-	public void handleElement(String localName, HandlerState state, Attributes attributes) {
+	public void handleElementStart(String localName, HandlerState state,
+			Attributes attributes) {
 		if (localName.equals(TITLE)) {
 
 		}
+	}
+
+	@Override
+	public void handleCharacters(HandlerState state, char[] ch, int start,
+			int length) {
 
 	}
 
 	@Override
-	public void handleCharacters(String localName, Feed feed, char[] ch,
+	public void handleElementEnd(String localName, HandlerState state) {
-			int start, int length) {
+		// TODO Auto-generated method stub
-		
 	}
 
 }

src/de/podfetcher/syndication/namespace/rss20/NSRSS20.java

@@ -1,4 +1,4 @@
-package de.podfetcher.syndication.handler;
+package de.podfetcher.syndication.namespace.rss20;
 
 import java.util.ArrayList;
 
@@ -6,6 +6,9 @@ import de.podfetcher.feed.Feed;
 import de.podfetcher.feed.FeedImage;
 import de.podfetcher.feed.FeedItem;
 import de.podfetcher.feed.FeedMedia;
+import de.podfetcher.syndication.handler.HandlerState;
+import de.podfetcher.syndication.handler.SyndHandler;
+import de.podfetcher.syndication.namespace.Namespace;
 import de.podfetcher.syndication.namespace.SyndElement;
 
 import org.xml.sax.Attributes;
@@ -18,7 +21,10 @@ import org.xml.sax.helpers.DefaultHandler;
  * @author daniel
  * 
  */
-public class RSSHandler extends SyndHandler {
+public class NSRSS20 extends Namespace {
+	public static final String NSTAG = "rss";
+	public static final String NSURI = "";
+	
 	public final static String CHANNEL = "channel";
 	public final static String ITEM = "item";
 	public final static String TITLE = "title";
@@ -33,76 +39,67 @@ public class RSSHandler extends SyndHandler {
 	public final static String ENC_LEN = "length";
 	public final static String ENC_TYPE = "type";
 
-
-	public RSSHandler(Feed feed) {
-		super(feed);
-	}
-
 	@Override
-	public void characters(char[] ch, int start, int length)
+	public void handleElementStart(String localName, HandlerState state,
-			throws SAXException {
+			Attributes attributes) {
-		if (state.tagstack.size() >= 2) {
-			String content = new String(ch, start, length);
-			SyndElement topElement = state.tagstack.pop();
-			String top = topElement.getName();
-			String second = state.tagstack.peek().getName();
-			state.tagstack.push(topElement);
-			if (top.equals(TITLE)) {
-				if (second.equals(ITEM)) {
-					state.currentItem.setTitle(content);
-				} else if (second.equals(CHANNEL)) {
-					state.feed.setTitle(content);
-				} else if (second.equals(IMAGE)) {
-					state.feed.getImage().setTitle(IMAGE);
-				}
-			} else if (top.equals(DESCR)) {
-				if (second.equals(CHANNEL)) {
-					state.feed.setDescription(content);
-				} else if (second.equals(ITEM)) {
-					state.feed.setDescription(content);
-				}
-			} else if (top.equals(LINK)) {
-				if (second.equals(CHANNEL)) {
-					state.feed.setLink(content);
-				} else if (second.equals(ITEM)) {
-					state.currentItem.setLink(content);
-				}
-			} else if (top.equals(PUBDATE) && second.equals(ITEM)) {
-				state.currentItem.setPubDate(content);
-			} else if (top.equals(URL) && second.equals(IMAGE)) {
-				state.feed.getImage().setDownload_url(content);
-			}
-		}
-	}
-
-	@Override
-	public void endElement(String uri, String localName, String qName)
-			throws SAXException {
 		if (localName.equals(ITEM)) {
-			state.currentItem = null;
+			state.setCurrentItem(new FeedItem());
-		}
+			state.getFeed().getItems().add(state.getCurrentItem());
-		super.endElement(uri, localName, qName);
+			state.getCurrentItem().setFeed(state.getFeed());
-	}
-
-	@Override
-	public void startElement(String uri, String localName, String qName,
-			Attributes attributes) throws SAXException {
-
-		if (localName.equals(ITEM)) {
-			state.currentItem = new FeedItem();
-			state.feed.getItems().add(state.currentItem);
-			state.currentItem.setFeed(state.feed);
 
 		} else if (localName.equals(ENCLOSURE)) {
-			state.currentItem
+			state.getCurrentItem()
-					.setMedia(new FeedMedia(state.currentItem, attributes
+					.setMedia(new FeedMedia(state.getCurrentItem(), attributes
 							.getValue(ENC_URL), Long.parseLong(attributes
 							.getValue(ENC_LEN)), attributes.getValue(ENC_TYPE)));
 		} else if (localName.equals(IMAGE)) {
-			state.feed.setImage(new FeedImage());
+			state.getFeed().setImage(new FeedImage());
+		}
+	}
+
+	@Override
+	public void handleCharacters(HandlerState state, char[] ch, int start,
+			int length) {
+		if (state.getTagstack().size() >= 2) {
+			String content = new String(ch, start, length);
+			SyndElement topElement = state.getTagstack().pop();
+			String top = topElement.getName();
+			String second = state.getTagstack().peek().getName();
+			state.getTagstack().push(topElement);
+			if (top.equals(TITLE)) {
+				if (second.equals(ITEM)) {
+					state.getCurrentItem().setTitle(content);
+				} else if (second.equals(CHANNEL)) {
+					state.getFeed().setTitle(content);
+				} else if (second.equals(IMAGE)) {
+					state.getFeed().getImage().setTitle(IMAGE);
+				}
+			} else if (top.equals(DESCR)) {
+				if (second.equals(CHANNEL)) {
+					state.getFeed().setDescription(content);
+				} else if (second.equals(ITEM)) {
+					state.getFeed().setDescription(content);
+				}
+			} else if (top.equals(LINK)) {
+				if (second.equals(CHANNEL)) {
+					state.getFeed().setLink(content);
+				} else if (second.equals(ITEM)) {
+					state.getCurrentItem().setLink(content);
+				}
+			} else if (top.equals(PUBDATE) && second.equals(ITEM)) {
+				state.getCurrentItem().setPubDate(content);
+			} else if (top.equals(URL) && second.equals(IMAGE)) {
+				state.getFeed().getImage().setDownload_url(content);
+			}
 		}
 		
-		super.startElement(uri, localName, qName, attributes);
+	}
+
+	@Override
+	public void handleElementEnd(String localName, HandlerState state) {
+		if (localName.equals(ITEM)) {
+			state.setCurrentItem(null);
+		}
 	}
 
 }