Created the TypeGetter

src/de/podfetcher/syndication/FeedHandler.java

@@ -27,6 +27,8 @@ public class FeedHandler {
 	public final static String ENC_TYPE = "type";
 	
 	public Feed parseFeed(Feed feed) {
+		TypeGetter tg = new TypeGetter();
+		tg.getType(feed);
 		RSSHandler handler = new RSSHandler(feed);
 		try {
 			SAXParserFactory factory =  SAXParserFactory.newInstance();

src/de/podfetcher/syndication/TypeGetter.java

@@ -0,0 +1,73 @@
+package de.podfetcher.syndication;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.Reader;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+import android.util.Log;
+
+import de.podfetcher.feed.Feed;
+
+/** Gets the type of a specific feed. */
+public class TypeGetter {
+	private static final String TAG = "TypeGetter";
+	
+	enum Type {
+		RSS20, ATOM, INVALID
+	}
+
+	private static final String ATOM_ROOT = "feed";
+	private static final String RSS_ROOT = "rss";
+
+	public Type getType(Feed feed) {
+		XmlPullParserFactory factory;
+		try {
+			factory = XmlPullParserFactory.newInstance();
+			factory.setNamespaceAware(true);
+			XmlPullParser xpp = factory.newPullParser();
+			xpp.setInput(createReader(feed));
+			int eventType = xpp.getEventType();
+			while (eventType != XmlPullParser.END_DOCUMENT) {
+				if (eventType == XmlPullParser.START_TAG) {
+					String tag = xpp.getName();
+					if (tag.equals(ATOM_ROOT)) {
+						Log.d(TAG, "Recongnized type Atom");
+						return Type.ATOM;
+					} else if (tag.equals(RSS_ROOT)
+							&& (xpp.getAttributeValue(null, "version")
+									.equals("2.0"))) {
+						Log.d(TAG, "Recognized type RSS 2.0");
+						return Type.RSS20;
+					} else {
+						return Type.INVALID;
+					}
+				} else {
+					eventType = xpp.next();
+				}
+			}
+
+		} catch (XmlPullParserException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		return Type.INVALID;
+	}
+
+	private Reader createReader(Feed feed) {
+		FileReader reader;
+		try {
+			reader = new FileReader(new File(feed.getFile_url()));
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+			return null;
+		}
+		return reader;
+	}
+}