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package de.danoeh.antennapod.asynctask;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import androidx.appcompat.app.AlertDialog;
import android.util.Log;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import de.danoeh.antennapod.core.R;
import de.danoeh.antennapod.core.export.opml.OpmlElement;
import de.danoeh.antennapod.core.export.opml.OpmlReader;
public class OpmlImportWorker extends AsyncTask<Void, Void, ArrayList<OpmlElement>> {
private static final String TAG = "OpmlImportWorker";
private final Context context;
private Exception exception;
private ProgressDialog progDialog;
private final Reader reader;
public OpmlImportWorker(Context context, Reader reader) {
super();
this.context = context;
this.reader = reader;
}
@Override
protected ArrayList<OpmlElement> doInBackground(Void... params) {
Log.d(TAG, "Starting background work");
if (reader == null) {
return null;
}
OpmlReader opmlReader = new OpmlReader();
try {
ArrayList<OpmlElement> result = opmlReader.readDocument(reader);
reader.close();
return result;
} catch (XmlPullParserException e) {
e.printStackTrace();
exception = e;
return null;
} catch (IOException e) {
e.printStackTrace();
exception = e;
return null;
}
}
@Override
protected void onPostExecute(ArrayList<OpmlElement> result) {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
progDialog.dismiss();
if (exception != null) {
Log.d(TAG, "An error occurred while trying to parse the opml document");
AlertDialog.Builder alert = new AlertDialog.Builder(context);
alert.setTitle(R.string.error_label);
alert.setMessage(context.getString(R.string.opml_reader_error)
+ exception.getMessage());
alert.setNeutralButton(android.R.string.ok, (dialog, which) -> dialog.dismiss());
alert.create().show();
}
}
@Override
protected void onPreExecute() {
progDialog = new ProgressDialog(context);
progDialog.setMessage(context.getString(R.string.please_wait));
progDialog.setIndeterminate(true);
progDialog.setCancelable(false);
progDialog.show();
}
public void executeAsync() {
executeOnExecutor(THREAD_POOL_EXECUTOR);
}
}
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