com.dimasdanz.kendalipintu.devicestatusmodel.DeviceStatusLoadData.java Source code

Introduction

Here is the source code for com.dimasdanz.kendalipintu.devicestatusmodel.DeviceStatusLoadData.java

Source

/*******************************************************************************
 * Copyright (c) 2014 Dimas Rullyan Danu
 * 
 * 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);
    }
}