Implemented Atom namespace

src/de/podfetcher/service/DownloadObserver.java

@@ -33,6 +33,7 @@ public class DownloadObserver extends AsyncTask<FeedFile, DownloadObserver.Downl
 	public DownloadObserver(Context context) {
 		super();
 		this.context = context;
+		requester = DownloadRequester.getInstance();
 	}
 
     @Override

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

@@ -47,6 +47,14 @@ public class HandlerState {
 		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;
+	}
+	
 	
 	
 	

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

@@ -12,7 +12,6 @@ import de.podfetcher.syndication.namespace.SyndElement;
 import de.podfetcher.syndication.namespace.atom.NSAtom;
 import de.podfetcher.syndication.namespace.rss20.NSRSS20;
 
-
 /** Superclass for all SAX Handlers which process Syndication formats */
 public class SyndHandler extends DefaultHandler {
 	private static final String TAG = "SyndHandler";
@@ -32,7 +31,8 @@ public class SyndHandler extends DefaultHandler {
 
 		Namespace handler = getHandlingNamespace(uri);
 		if (handler != null) {
-			SyndElement element = handler.handleElementStart(localName, state, attributes);
+			SyndElement element = handler.handleElementStart(localName, state,
+					attributes);
 			state.tagstack.push(element);
 
 		}
@@ -41,10 +41,11 @@ public class SyndHandler extends DefaultHandler {
 	@Override
 	public void characters(char[] ch, int start, int length)
 			throws SAXException {
-
+		if (!state.tagstack.empty()) {
-		SyndElement top = state.tagstack.peek();
+			SyndElement top = state.tagstack.peek();
-		if (top.getNamespace() != null) {
+			if (top.getNamespace() != null) {
-			top.getNamespace().handleCharacters(state, ch, start, length);
+				top.getNamespace().handleCharacters(state, ch, start, length);
+			}
 		}
 	}
 
@@ -80,7 +81,7 @@ public class SyndHandler extends DefaultHandler {
 
 	private Namespace getHandlingNamespace(String uri) {
 		Namespace handler = state.namespaces.get(uri);
-		if (handler == null &&  uri.equals(DEFAULT_PREFIX) && !state.defaultNamespaces.empty()) {
+		if (handler == null && !state.defaultNamespaces.empty()) {
 			handler = state.defaultNamespaces.peek();
 		}
 		return handler;

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

@@ -38,7 +38,7 @@ public class TypeGetter {
 				if (eventType == XmlPullParser.START_TAG) {
 					String tag = xpp.getName();
 					if (tag.equals(ATOM_ROOT)) {
-						Log.d(TAG, "Recongnized type Atom");
+						Log.d(TAG, "Recognized type Atom");
 						return Type.ATOM;
 					} else if (tag.equals(RSS_ROOT)
 							&& (xpp.getAttributeValue(null, "version")
@@ -46,6 +46,7 @@ public class TypeGetter {
 						Log.d(TAG, "Recognized type RSS 2.0");
 						return Type.RSS20;
 					} else {
+						Log.d(TAG, "Type is invalid");
 						return Type.INVALID;
 					}
 				} else {
@@ -58,6 +59,7 @@ public class TypeGetter {
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
+		Log.d(TAG, "Type is invalid");
 		return Type.INVALID;
 	}
 

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

@@ -3,6 +3,7 @@ package de.podfetcher.syndication.namespace.atom;
 import org.xml.sax.Attributes;
 
 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;
@@ -20,6 +21,9 @@ public class NSAtom extends Namespace {
 	private static final String UPDATED = "updated";
 	private static final String AUTHOR = "author";
 	private static final String CONTENT = "content";
+	private static final String IMAGE = "logo";
+	private static final String SUBTITLE = "subtitle";
+	private static final String PUBLISHED = "published";
 	
 	private static final String TEXT_TYPE = "type";
 	// Link
@@ -34,6 +38,8 @@ public class NSAtom extends Namespace {
 	private static final String LINK_REL_RELATED = "related";
 	private static final String LINK_REL_SELF = "self";
 	
+	/** Regexp to test whether an Element is a Text Element. */
+	private static final String isText = TITLE + "|" + CONTENT + "|" + "|" + SUBTITLE;
 	@Override
 	public SyndElement handleElementStart(String localName, HandlerState state,
 			Attributes attributes) {
@@ -41,29 +47,29 @@ public class NSAtom extends Namespace {
 			state.setCurrentItem(new FeedItem());
 			state.getFeed().getItems().add(state.getCurrentItem());
 			state.getCurrentItem().setFeed(state.getFeed());
-		} else if (localName.equals(TITLE) || localName.equals(CONTENT)) {
+		} else if (localName.matches(isText)) {
-			String type = attributes.getValue(null, TEXT_TYPE);
+			String type = attributes.getValue(TEXT_TYPE);
 			return new AtomText(localName, this, type);
 		} else if (localName.equals(LINK)) {
-			String href = attributes.getValue(null, LINK_HREF);
+			String href = attributes.getValue(LINK_HREF);
-			String rel = attributes.getValue(null, LINK_REL);
+			String rel = attributes.getValue(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,
+					String strSize = attributes.getValue(LINK_LENGTH);
-							LINK_LENGTH));
+					long size = 0;
-					String type = attributes.getValue(null, LINK_TYPE);
+					if (strSize != null) size = Long.parseLong(strSize);
-					String download_url = attributes.getValue(null,
+					String type = attributes.getValue(LINK_TYPE);
-							LINK_REL_ENCLOSURE);
+					String download_url = attributes.getValue(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);
+					state.getFeed().setLink(href);
 				}
 			}
 		}
@@ -73,12 +79,50 @@ public class NSAtom extends Namespace {
 	@Override
 	public void handleCharacters(HandlerState state, char[] ch, int start,
 			int length) {
+		if (state.getTagstack().size() >= 2) {
+			AtomText textElement = null;
+			String content = new String(ch, start, length);
+			SyndElement topElement = state.getTagstack().peek();
+			String top = topElement.getName();
+			SyndElement secondElement = state.getSecondTag();
+			String second = secondElement.getName();
 			
+			if (top.matches(isText)) {
+				textElement = (AtomText) topElement;
+				textElement.setContent(content);
+			}
+			
+			if (top.equals(TITLE)) {
+				
+				if (second.equals(FEED)) {
+					state.getFeed().setTitle(textElement.getProcessedContent());
+				} else if (second.equals(ENTRY)) {
+					state.getCurrentItem().setTitle(textElement.getProcessedContent());
+				}
+			} else if (top.equals(SUBTITLE)) {
+				if (second.equals(FEED)) {
+					state.getFeed().setDescription(textElement.getProcessedContent());
+				}
+			} else if (top.equals(CONTENT)) {
+				if (second.equals(ENTRY)) {
+					state.getCurrentItem().setDescription(textElement.getProcessedContent());
+				}
+			} else if (top.equals(PUBLISHED)) {
+				if (second.equals(ENTRY)) {
+					state.getCurrentItem().setPubDate(content);
+				}
+			} else if (top.equals(IMAGE)) {
+				state.getFeed().setImage(new FeedImage(content, null));
+			}
+			
+		}
 	}
 
 	@Override
 	public void handleElementEnd(String localName, HandlerState state) {
-		// TODO Auto-generated method stub
+		if (localName.equals(ENTRY)) {
+			state.setCurrentItem(null);
+		}
 	}
 
 }

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

@@ -63,10 +63,10 @@ public class NSRSS20 extends Namespace {
 			int length) {
 		if (state.getTagstack().size() >= 2) {
 			String content = new String(ch, start, length);
-			SyndElement topElement = state.getTagstack().pop();
+			SyndElement topElement = state.getTagstack().peek();
 			String top = topElement.getName();
-			String second = state.getTagstack().peek().getName();
+			SyndElement secondElement = state.getSecondTag();
-			state.getTagstack().push(topElement);
+			String second = secondElement.getName();
 			if (top.equals(TITLE)) {
 				if (second.equals(ITEM)) {
 					state.getCurrentItem().setTitle(content);

src/de/podfetcher/syndication/util/HtmlUnescaper.java

@@ -7,6 +7,7 @@ public class HtmlUnescaper {
 	private static HashMap<String, String> symbols;
 	
 	static {
+		symbols = new HashMap<String, String>();
 		symbols.put("&nbsp", " ");
 		symbols.put("&quot", "\"");
 		symbols.put("&amp", "&");