1 files changed, 118 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/util/id3reader/ChapterReader.java b/app/src/main/java/de/danoeh/antennapod/util/id3reader/ChapterReader.java
new file mode 100644
index 000000000..257635129
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/util/id3reader/ChapterReader.java
@@ -0,0 +1,118 @@
+package de.danoeh.antennapod.util.id3reader;
+
+import android.util.Log;
+import de.danoeh.antennapod.BuildConfig;
+import de.danoeh.antennapod.feed.Chapter;
+import de.danoeh.antennapod.feed.ID3Chapter;
+import de.danoeh.antennapod.util.id3reader.model.FrameHeader;
+import de.danoeh.antennapod.util.id3reader.model.TagHeader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URLDecoder;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ChapterReader extends ID3Reader {
+    private static final String TAG = "ID3ChapterReader";
+
+	private static final String FRAME_ID_CHAPTER = "CHAP";
+	private static final String FRAME_ID_TITLE = "TIT2";
+    private static final String FRAME_ID_LINK = "WXXX";
+
+	private List<Chapter> chapters;
+	private ID3Chapter currentChapter;
+
+	@Override
+	public int onStartTagHeader(TagHeader header) {
+		chapters = new ArrayList<Chapter>();
+		System.out.println(header.toString());
+		return ID3Reader.ACTION_DONT_SKIP;
+	}
+
+	@Override
+	public int onStartFrameHeader(FrameHeader header, InputStream input)
+			throws IOException, ID3ReaderException {
+		System.out.println(header.toString());
+		if (header.getId().equals(FRAME_ID_CHAPTER)) {
+			if (currentChapter != null) {
+				if (!hasId3Chapter(currentChapter)) {
+					chapters.add(currentChapter);
+                    if (BuildConfig.DEBUG) Log.d(TAG, "Found chapter: " + currentChapter);
+					currentChapter = null;
+				}
+			}
+            StringBuffer elementId = new StringBuffer();
+			readISOString(elementId, input, Integer.MAX_VALUE);
+			char[] startTimeSource = readBytes(input, 4);
+			long startTime = ((int) startTimeSource[0] << 24)
+					| ((int) startTimeSource[1] << 16)
+					| ((int) startTimeSource[2] << 8) | startTimeSource[3];
+			currentChapter = new ID3Chapter(elementId.toString(), startTime);
+			skipBytes(input, 12);
+			return ID3Reader.ACTION_DONT_SKIP;
+		} else if (header.getId().equals(FRAME_ID_TITLE)) {
+			if (currentChapter != null && currentChapter.getTitle() == null) {
+                StringBuffer title = new StringBuffer();
+                readString(title, input, header.getSize());
+				currentChapter
+						.setTitle(title.toString());
+				if (BuildConfig.DEBUG) Log.d(TAG, "Found title: " + currentChapter.getTitle());
+
+				return ID3Reader.ACTION_DONT_SKIP;
+			}
+		} else if (header.getId().equals(FRAME_ID_LINK)) {
+            if (currentChapter != null) {
+                // skip description
+                int descriptionLength = readString(null, input, header.getSize());
+                StringBuffer link = new StringBuffer();
+                readISOString(link, input, header.getSize() - descriptionLength);
+                String decodedLink = URLDecoder.decode(link.toString(), "UTF-8");
+
+                currentChapter.setLink(decodedLink);
+
+                if (BuildConfig.DEBUG) Log.d(TAG, "Found link: " + currentChapter.getLink());
+                return ID3Reader.ACTION_DONT_SKIP;
+            }
+        } else if (header.getId().equals("APIC")) {
+            Log.d(TAG, header.toString());
+        }
+
+		return super.onStartFrameHeader(header, input);
+	}
+
+	private boolean hasId3Chapter(ID3Chapter chapter) {
+		for (Chapter c : chapters) {
+			if (((ID3Chapter) c).getId3ID().equals(chapter.getId3ID())) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public void onEndTag() {
+		if (currentChapter != null) {
+			if (!hasId3Chapter(currentChapter)) {
+				chapters.add(currentChapter);
+			}
+		}
+		System.out.println("Reached end of tag");
+		if (chapters != null) {
+			for (Chapter c : chapters) {
+				System.out.println(c.toString());
+			}
+		}
+	}
+
+	@Override
+	public void onNoTagHeaderFound() {
+		System.out.println("No tag header found");
+		super.onNoTagHeaderFound();
+	}
+
+	public List<Chapter> getChapters() {
+		return chapters;
+	}
+
+}