DownloadTrafficTask.java

package tof.cv.mpp.rss;

import java.net.MalformedURLException;
import java.net.URL;

import tof.cv.mpp.R;
import tof.cv.mpp.TrafficFragment;
import tof.cv.mpp.adapter.TrafficAdapter;

import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;
import android.view.LayoutInflater;
import android.widget.TextView;

public class DownloadTrafficTask extends AsyncTask<URL, Integer, Long> {

    private RSSFeed myRssFeed;
    private Context context;
    private LayoutInflater layoutInflater;
    private String lang;
    private TrafficFragment trafFrag;

    public DownloadTrafficTask(TrafficFragment trafFrag) {
        this.trafFrag = trafFrag;
        context = trafFrag.getActivity();
        myRssFeed = trafFrag.getRssFeed();
        layoutInflater = trafFrag.getActivity().getLayoutInflater();
        lang = trafFrag.getLang();
    }

    protected Long doInBackground(URL... params) {
        updateData();
        return null;
    }

    protected void onPostExecute(Long result) {
        try {
            Log.e("CVE", "" + myRssFeed);
            if (myRssFeed != null) {
                if (myRssFeed.getList() != null && myRssFeed.getList().size() > 0) {
                    TrafficAdapter adapter = new TrafficAdapter(context,
                            R.layout.row_rss, myRssFeed.getList(), layoutInflater,
                            myRssFeed);
                    trafFrag.setListAdapter(adapter);
                    trafFrag.setRssFeed(myRssFeed);
                } else
                    ((TextView) trafFrag.getView().findViewById(android.R.id.empty)).setText(R.string.issues_empty);


            } else
                ((TextView) trafFrag.getView().findViewById(android.R.id.empty)).setText(R.string.check_connection);
        } catch (Exception e) {
            e.printStackTrace();
        }

        //new DownloadOtherTrafficTask(trafFrag).execute();
    }

    private void updateData() {

        try {
            /*
			 * getting rss feed from the railtime.be website
			 */
            URL rssUrl = new URL(
                    "http://www.belgianrail.be/jp/sncb-nmbs-routeplanner/help.exe/" + lang + "n?tpl=rss_feed");

            RSSDocument rssDoc = new RSSDocument(rssUrl);
            myRssFeed = rssDoc.getRSSFeed();

        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}