1 files changed, 154 insertions, 0 deletions
diff --git a/src/de/danoeh/antennapod/miroguide/conn/MiroGuideService.java b/src/de/danoeh/antennapod/miroguide/conn/MiroGuideService.java
new file mode 100644
index 000000000..5cb137574
--- /dev/null
+++ b/src/de/danoeh/antennapod/miroguide/conn/MiroGuideService.java
@@ -0,0 +1,154 @@
+package de.danoeh.antennapod.miroguide.conn;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import de.danoeh.antennapod.miroguide.model.MiroGuideChannel;
+import de.danoeh.antennapod.miroguide.model.MiroGuideItem;
+
+
+/** Provides methods to communicate with the Miroguide API on an abstract level. */
+public class MiroGuideService {
+	private static final String TAG = "MiroGuideService";
+	
+	public static final int DEFAULT_CHANNEL_LIMIT = 20;
+
+	public static final String FILTER_CATEGORY = "category";
+	public static final String FILTER_NAME = "name";
+	public static final String SORT_NAME = "name";
+	public static final String SORT_POPULAR = "popular";
+	public static final String SORT_RATING = "rating";
+
+	public static final String JSON_DATE_FORMAT_STRING = "yyyy-MM-dd'T'HH:mm:ss";
+
+	private MiroGuideConnector connector;
+
+	private static ThreadLocal<SimpleDateFormat> jSONDateFormat = new ThreadLocal<SimpleDateFormat>() {
+		@Override
+		protected SimpleDateFormat initialValue() {
+			return new SimpleDateFormat(JSON_DATE_FORMAT_STRING, Locale.US);
+		}
+
+	};
+
+	public MiroGuideService() {
+		connector = new MiroGuideConnector();
+	}
+	
+	public void close() {
+		connector.shutdown();
+	}
+
+	public String[] getCategories() throws MiroGuideException {
+		JSONArray resultArray = connector.getArrayResponse(connector
+				.createListCategoriesURI());
+		String[] result = new String[resultArray.length()];
+		for (int i = 0; i < resultArray.length(); i++) {
+			try {
+				result[i] = resultArray.getJSONObject(i).getString("name");
+			} catch (JSONException e) {
+				e.printStackTrace();
+				throw new MiroGuideException();
+			}
+		}
+		return result;
+	}
+
+	/** Get a list of MiroGuideChannel objects without their items. */
+	public List<MiroGuideChannel> getChannelList(String filter, String filterValue,
+			String sort, int limit, int offset) throws MiroGuideException {
+		JSONArray resultArray = connector.getArrayResponse(connector
+				.createGetChannelsUri(filter, filterValue, sort,
+						Integer.toString(limit), Integer.toString(offset)));
+		int resultLen = resultArray.length();
+		List<MiroGuideChannel> channels = new ArrayList<MiroGuideChannel>(resultLen);
+		for (int i = 0; i < resultLen; i++) {
+			JSONObject content = null;
+			try {
+				content = resultArray.getJSONObject(i);
+				MiroGuideChannel channel = extractMiroChannel(content, false);
+				channels.add(channel);
+			} catch (JSONException e) {
+				e.printStackTrace();
+				throw new MiroGuideException();
+			}
+		}
+
+		return channels;
+	}
+
+	/**
+	 * Get a single channel with its items.
+	 * 
+	 * @throws MiroGuideException
+	 */
+	public MiroGuideChannel getChannel(long id) throws MiroGuideException {
+		JSONObject resultObject = connector.getSingleObjectResponse(connector
+				.createGetChannelUri(Long.toString(id)));
+		MiroGuideChannel result = null;
+		try {
+			result = extractMiroChannel(resultObject, true);
+		} catch (JSONException e) {
+			e.printStackTrace();
+			throw new MiroGuideException();
+		}
+		return result;
+	}
+
+	/**
+	 * Get a MiroGuideChannel object from it's JSON source. The itemlist of the
+	 * channel can be included or excluded
+	 * 
+	 * @throws JSONException
+	 */
+	private MiroGuideChannel extractMiroChannel(JSONObject content, boolean withItems)
+			throws JSONException {
+		long id = content.getLong("id");
+		String name = content.getString("name");
+		String description = content.getString("description");
+		String thumbnailUrl = content.optString("thumbnail_url");
+		String downloadUrl = content.getString("url");
+		String websiteUrl = content.getString("website_url");
+		if (!withItems) {
+			return new MiroGuideChannel(id, name, thumbnailUrl, downloadUrl,
+					websiteUrl, description);
+		} else {
+			JSONArray itemData = content.getJSONArray("item");
+			int numItems = itemData.length();
+			ArrayList<MiroGuideItem> items = new ArrayList<MiroGuideItem>(numItems);
+			for (int i = 0; i < numItems; i++) {
+				items.add(extractMiroItem(itemData.getJSONObject(i)));
+			}
+
+			return new MiroGuideChannel(id, name, thumbnailUrl, downloadUrl,
+					websiteUrl, description, items);
+		}
+	}
+
+	/** Get a MiroGuideItem from its JSON source. */
+	private MiroGuideItem extractMiroItem(JSONObject content) throws JSONException {
+		Date date = parseMiroItemDate(content.getString("date"));
+		String description = content.getString("description");
+		String name = content.getString("name");
+		String url = content.getString("url");
+		return new MiroGuideItem(name, description, date, url);
+	}
+
+	private Date parseMiroItemDate(String s) {
+		try {
+			return jSONDateFormat.get().parse(s);
+		} catch (ParseException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+}