Android Open Source - spots Post Spots Async Task

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License

The source code is released under:

MIT License

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Java Source Code

package com.dcc.matc89.spots.network;
/* w  ww .  j av  a 2s  .c o  m*/
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.InvalidParameterException;

import org.json.JSONObject;

import android.os.AsyncTask;

import com.dcc.matc89.spots.model.Spot;
import com.dcc.matc89.spots.network.PostSpots.OnSpotReceiver;

class PostSpotsAsyncTask extends AsyncTask<String, Void, Spot> {

  private static final String URL = "http://matc89spots.appspot.com/api/edit_spot";

  private OnSpotReceiver mReceiver;
  private Spot mSpot;


  public PostSpotsAsyncTask(OnSpotReceiver receiver) {
    mReceiver = receiver;
  }

  @Override
  protected Spot doInBackground(String... params) {
    if(params != null && params.length % 2 == 1)
      throw new InvalidParameterException("Parameters should be in pairs. Key and value.");
    try {
      URL url = new URL(Utils.getUrl(URL, params));
      HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
      urlConnection.setRequestMethod("POST");
      urlConnection.setDoOutput(true);
      InputStream inputStream = urlConnection.getInputStream();
      try {
        String data = Utils.convertInputStreamToString(inputStream);
        mSpot = Spot.createFromJSONObject(new JSONObject(data));
      } finally {
        if(inputStream != null)
          inputStream.close();
        urlConnection.disconnect();
      }
      return mSpot;
    } catch (Exception e) {
      e.printStackTrace();
    } 
    return mSpot;
  }

  @Override
  protected void onPostExecute(Spot result) {
    super.onPostExecute(result);
    if(mReceiver != null)
      mReceiver.onSpotsReceived(result);
  }


}

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