Android Open Source - KendaliPintuAndroid Device Status Load Data

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*******************************************************************************
 * Copyright (c) 2014 Dimas Rullyan Danu
 * //from  ww  w .j a va  2s .  c  om
 * Kendali Pintu is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Kendali Pintu is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Kendali Pintu. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package com.dimasdanz.kendalipintu.devicestatusmodel;

import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

import com.dimasdanz.kendalipintu.util.JSONParser;
import com.dimasdanz.kendalipintu.util.ServerUtilities;
import com.dimasdanz.kendalipintu.util.StaticString;

import android.app.Activity;
import android.os.AsyncTask;

public class DeviceStatusLoadData extends AsyncTask<Void, Void, String>{
  JSONParser jsonParser = new JSONParser();
  
  private DeviceStatusLoadDataListener mListener;
  private Activity activity;
  
  public interface DeviceStatusLoadDataListener{
    public void onLoadDataProgress();
    public void onLoadDataComplete(String results);
  }
  
  public DeviceStatusLoadData(Activity act) {
    this.mListener = (DeviceStatusLoadDataListener) act;
    this.activity = act;
  }
  
  @Override
  protected void onPreExecute() {
    super.onPreExecute();
    mListener.onLoadDataProgress();
  }
  
  @Override
  protected String doInBackground(Void... args) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    JSONObject json = jsonParser.makeHttpRequest(ServerUtilities.getDeviceStatusUrl(activity),"GET", params);
    if(json != null){
      try {
        String response = json.getString("response");
        if(response.equals(StaticString.TAG_STATUS_ACTIVE)){
          return StaticString.TAG_STATUS_ACTIVE;
        }else if(response.equals(StaticString.TAG_STATUS_INACTIVE)){
          return StaticString.TAG_STATUS_INACTIVE;
        }else{
          return StaticString.TAG_STATUS_OFFLINE;
        }
      } catch (JSONException e) {
        e.printStackTrace();
      }
      return null;
    }else{
      return null;
    }
  }

  @Override
  protected void onPostExecute(String result) {
    super.onPostExecute(result);
    mListener.onLoadDataComplete(result);
  }
}

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