app/src/main/java/com/camilstaps/rss/RetrieveFeedTask.java


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package com.camilstaps.rss;

import android.os.AsyncTask;

import com.camilstaps.common.Listener;

/**
 * Asynchronously retrieve an RSS feed
 * @author Camil Staps
 */
public class RetrieveFeedTask extends AsyncTask<String, Void, RssParser> {

    Listener<RssParser> listener;

    public void setRssDownloadListener(Listener<RssParser> listener) {
        this.listener = listener;
    }

    @Override
    protected RssParser doInBackground(String... params) {
        try {
            RssParser parser = new RssParser(params[0]);
            return parser;
        } catch (Exception e) {
            return null;
        }
    }

    @Override
    protected void onPostExecute(RssParser results) {
        if (results != null) {
            listener.success(results);
        } else {
            listener.failure();
        }
    }
}