com.dimasdanz.kendalipintu.usermodel.UserLoadData.java Source code

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/*******************************************************************************
 * 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.usermodel;

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

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

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

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

public class UserLoadData extends AsyncTask<String, Void, List<UserModel>> {
    private Boolean con = true;
    private JSONParser jsonParser = new JSONParser();

    int current_page;
    private UserLoadDataListener mListener;
    private Activity activity;

    public interface UserLoadDataListener {
        public void onTaskProgress();

        public void onTaskComplete(List<UserModel> userModel);
    }

    public UserLoadData(Activity act, Integer page) {
        this.current_page = page;
        this.mListener = (UserLoadDataListener) act;
        this.activity = act;
    }

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        mListener.onTaskProgress();
    }

    @Override
    protected List<UserModel> doInBackground(String... args) {
        List<UserModel> userList = new ArrayList<UserModel>();
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        JSONObject json = jsonParser.makeHttpRequest(ServerUtilities.getUserListUrl(activity) + current_page, "GET",
                params);
        if (json != null) {
            try {
                if (json.getInt("response") == 1) {
                    JSONArray userid = json.getJSONArray("userid");
                    JSONArray username = json.getJSONArray("username");
                    JSONArray userpass = json.getJSONArray("userpass");
                    for (int i = 0; i < userid.length(); i++) {
                        userList.add(new UserModel(userid.get(i).toString(), username.get(i).toString(),
                                userpass.getString(i).toString()));
                    }
                    return userList;
                } else {
                    return null;
                }
            } catch (JSONException e) {
                e.printStackTrace();
                return null;
            }
        } else {
            con = false;
            return null;
        }
    }

    @Override
    protected void onPostExecute(List<UserModel> result) {
        super.onPostExecute(result);
        if (con) {
            mListener.onTaskComplete(result);
        } else {
            CommonUtilities.dialogConnectionError(activity);
        }
    }
}