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The source code is released under:
MIT License
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package com.dcc.matc89.spots.network; /*from w w w .j av a 2 s . co m*/ import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.security.InvalidParameterException; import java.util.ArrayList; import java.util.List; import org.json.JSONObject; import android.os.AsyncTask; import com.dcc.matc89.spots.model.Group; import com.dcc.matc89.spots.network.FetchGroups.OnGroupsReceiver; class PostGroupsAsyncTask extends AsyncTask<String, Void, List<Group>> { private static final String URL = "http://matc89spots.appspot.com/api/edit_group"; private OnGroupsReceiver mReceiver; private List<Group> mGroups; public PostGroupsAsyncTask(OnGroupsReceiver receiver) { mReceiver = receiver; } @Override protected List<Group> doInBackground(String... params) { if(params != null && params.length % 2 == 1) throw new InvalidParameterException("Parameters should be in pairs. Key and value."); mGroups = new ArrayList<Group>(); 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); mGroups.add(Group.createFromJSONObject(new JSONObject(data))); } finally { if(inputStream != null) inputStream.close(); urlConnection.disconnect(); } return mGroups; } catch (Exception e) { e.printStackTrace(); } return mGroups; } @Override protected void onPostExecute(List<Group> result) { super.onPostExecute(result); mReceiver.onGroupsReceived(result); } }