Added support for itunes:duration tag in feeds

Ported from AntennaPodSP

core/src/main/java/de/danoeh/antennapod/core/syndication/handler/HandlerState.java

@@ -1,12 +1,16 @@
 package de.danoeh.antennapod.core.syndication.handler;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Stack;
+
 import de.danoeh.antennapod.core.feed.Feed;
 import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.syndication.namespace.Namespace;
 import de.danoeh.antennapod.core.syndication.namespace.SyndElement;
 
-import java.util.*;
-
 /**
  * Contains all relevant information to describe the current state of a
  * SyndHandler.
@@ -35,6 +39,11 @@ public class HandlerState {
      */
     protected StringBuffer contentBuf;
 
+    /**
+     * Temporarily saved objects.
+     */
+    protected HashMap<String, Object> tempObjects;
+
     public HandlerState(Feed feed) {
         this.feed = feed;
         alternateUrls = new LinkedHashMap<String, String>();
@@ -42,6 +51,7 @@ public class HandlerState {
         tagstack = new Stack<SyndElement>();
         namespaces = new HashMap<String, Namespace>();
         defaultNamespaces = new Stack<Namespace>();
+        tempObjects = new HashMap<String, Object>();
     }
 
     public Feed getFeed() {
@@ -95,4 +105,7 @@ public class HandlerState {
         alternateUrls.put(url, title);
     }
 
+    public HashMap<String, Object> getTempObjects() {
+        return tempObjects;
+    }
 }

core/src/main/java/de/danoeh/antennapod/core/syndication/namespace/NSITunes.java

@@ -4,6 +4,8 @@ import de.danoeh.antennapod.core.feed.FeedImage;
 import de.danoeh.antennapod.core.syndication.handler.HandlerState;
 import org.xml.sax.Attributes;
 
+import java.util.concurrent.TimeUnit;
+
 public class NSITunes extends Namespace {
     public static final String NSTAG = "itunes";
     public static final String NSURI = "http://www.itunes.com/dtds/podcast-1.0.dtd";
@@ -13,6 +15,7 @@ public class NSITunes extends Namespace {
     private static final String IMAGE_HREF = "href";
 
     private static final String AUTHOR = "author";
+    public static final String DURATION = "duration";
 
 
     @Override
@@ -25,10 +28,10 @@ public class NSITunes extends Namespace {
 
             if (state.getCurrentItem() != null) {
                 // this is an items image
-                image.setTitle(state.getCurrentItem().getTitle() + IMAGE_TITLE);
+                image.setTitle(state.getCurrentItem().getTitle()+IMAGE_TITLE);
                 state.getCurrentItem().setImage(image);
 
-            } else {
+            } else  {
                 // this is the feed image
                 if (state.getFeed().getImage() == null) {
                     state.getFeed().setImage(image);
@@ -44,6 +47,25 @@ public class NSITunes extends Namespace {
     public void handleElementEnd(String localName, HandlerState state) {
         if (localName.equals(AUTHOR)) {
             state.getFeed().setAuthor(state.getContentBuf().toString());
+        } else if (localName.equals(DURATION)) {
+            String[] parts = state.getContentBuf().toString().split(":");
+            try {
+                int duration = 0;
+                if (parts.length == 2) {
+                    duration += TimeUnit.MINUTES.toMillis(Long.valueOf(parts[0])) +
+                            TimeUnit.SECONDS.toMillis(Long.valueOf(parts[1]));
+                } else if (parts.length >= 3) {
+                    duration += TimeUnit.HOURS.toMillis(Long.valueOf(parts[0])) +
+                            TimeUnit.MINUTES.toMillis(Long.valueOf(parts[1])) +
+                            TimeUnit.SECONDS.toMillis(Long.valueOf(parts[2]));
+                } else {
+                    return;
+                }
+
+                state.getTempObjects().put(DURATION, duration);
+            } catch (NumberFormatException e) {
+                e.printStackTrace();
+            }
         }
 
     }

core/src/main/java/de/danoeh/antennapod/core/syndication/namespace/NSRSS20.java

@@ -85,6 +85,13 @@ public class NSRSS20 extends Namespace {
 					state.getCurrentItem().setTitle(
 							state.getCurrentItem().getDescription());
 				}
+
+                if (state.getTempObjects().containsKey(NSITunes.DURATION)) {
+                    if (state.getCurrentItem().hasMedia()) {
+                        state.getCurrentItem().getMedia().setDuration((Integer) state.getTempObjects().get(NSITunes.DURATION));
+                    }
+                    state.getTempObjects().remove(NSITunes.DURATION);
+                }
 			}
 			state.setCurrentItem(null);
 		} else if (state.getTagstack().size() >= 2

core/src/main/java/de/danoeh/antennapod/core/syndication/namespace/atom/NSAtom.java

@@ -6,6 +6,7 @@ import de.danoeh.antennapod.core.feed.FeedImage;
 import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.feed.FeedMedia;
 import de.danoeh.antennapod.core.syndication.handler.HandlerState;
+import de.danoeh.antennapod.core.syndication.namespace.NSITunes;
 import de.danoeh.antennapod.core.syndication.namespace.NSRSS20;
 import de.danoeh.antennapod.core.syndication.namespace.Namespace;
 import de.danoeh.antennapod.core.syndication.namespace.SyndElement;
@@ -128,6 +129,13 @@ public class NSAtom extends Namespace {
     @Override
     public void handleElementEnd(String localName, HandlerState state) {
         if (localName.equals(ENTRY)) {
+            if (state.getCurrentItem() != null &&
+                    state.getTempObjects().containsKey(NSITunes.DURATION)) {
+                if (state.getCurrentItem().hasMedia()) {
+                    state.getCurrentItem().getMedia().setDuration((Integer) state.getTempObjects().get(NSITunes.DURATION));
+                }
+                state.getTempObjects().remove(NSITunes.DURATION);
+            }
             state.setCurrentItem(null);
         }