More work on Atom namespace

src/de/podfetcher/feed/Feed.java

@@ -12,6 +12,7 @@ import java.util.ArrayList;
  */
 public class Feed extends FeedFile{
 	private String title;
+	/** Link to the website. */
 	private String link;
 	private String description;
 	private FeedImage image;

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

@@ -0,0 +1,15 @@
+package de.podfetcher.syndication.namespace.atom;
+
+import de.podfetcher.syndication.namespace.Namespace;
+import de.podfetcher.syndication.namespace.SyndElement;
+
+/** Represents a "link" - Element in an Atom Feed. */
+public class AtomLink extends SyndElement {
+	private String href, rel, title, type, length;
+	
+	public AtomLink(String name, Namespace namespace) {
+		super(name, namespace);
+		// TODO Auto-generated constructor stub
+	}
+
+}

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

@@ -0,0 +1,46 @@
+package de.podfetcher.syndication.namespace.atom;
+
+import de.podfetcher.syndication.namespace.Namespace;
+import de.podfetcher.syndication.namespace.SyndElement;
+import de.podfetcher.syndication.util.HtmlUnescaper;
+
+/** Represents Atom Element which contains text (content, title, summary). */
+public class AtomText extends SyndElement {
+	public static final String TYPE_TEXT = "text";
+	public static final String TYPE_HTML = "html";
+	public static final String TYPE_XHTML = "xhtml";
+	
+	private String type;
+	private String content;
+	
+	public AtomText(String name, Namespace namespace, String type) {
+		super(name, namespace);
+		this.type = type;
+	}
+	
+	/** Processes the content according to the type and returns it. */
+	public String getProcessedContent() {
+		if (type.equals(TYPE_HTML)) {
+			return HtmlUnescaper.unescape(content);
+		} else if (type.equals(TYPE_XHTML)) {
+			return content;
+		} else {	// Handle as text by default
+			return content;
+		}
+	}
+
+	public String getContent() {
+		return content;
+	}
+
+	public void setContent(String content) {
+		this.content = content;
+	}
+
+	public String getType() {
+		return type;
+	}
+	
+	
+
+}

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

@@ -3,6 +3,8 @@ 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;
@@ -11,18 +13,61 @@ 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(TITLE)) {
-
+		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 null;
+		return new SyndElement(localName, this);
 	}
 
 	@Override

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

@@ -0,0 +1,25 @@
+package de.podfetcher.syndication.util;
+
+import java.util.HashMap;
+
+/** Unescapes HTML */
+public class HtmlUnescaper {
+	private static HashMap<String, String> symbols;
+	
+	static {
+		symbols.put("&nbsp", " ");
+		symbols.put("&quot", "\"");
+		symbols.put("&amp", "&");
+		symbols.put("&lt", "<");
+		symbols.put("&gt", ">");
+		
+	}
+	
+	public static String unescape(final String source) {
+		String result = source;
+		for (String key : symbols.keySet()) {
+			result = result.replaceAll(key, symbols.get(key));
+		}
+		return result;
+	}
+}