org.disrupted.rumble.database.statistics.StatisticDatabase.java Source code

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Here is the source code for org.disrupted.rumble.database.statistics.StatisticDatabase.java

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/*
 * Copyright (C) 2014 Lucien Loiseau
 * This file is part of Rumble.
 * Rumble 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.
 *
 * Rumble 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 Rumble.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.disrupted.rumble.database.statistics;

import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

import org.disrupted.rumble.database.Database;
import org.json.JSONArray;
import org.json.JSONObject;

/**
 * @author Lucien Loiseau
 */
public abstract class StatisticDatabase extends Database {

    public StatisticDatabase(Context context, SQLiteOpenHelper databaseHelper) {
        super(context, databaseHelper);
    }

    public abstract String getTableName();

    public JSONArray getJSON() {
        SQLiteDatabase database = databaseHelper.getReadableDatabase();
        Cursor cursor = database.query(getTableName(), null, null, null, null, null, null);
        if (cursor == null)
            return null;
        JSONArray resultSet = new JSONArray();
        try {
            cursor.moveToFirst();
            while (cursor.isAfterLast() == false) {
                int totalColumn = cursor.getColumnCount();
                JSONObject rowObject = new JSONObject();
                for (int i = 0; i < totalColumn; i++) {
                    if (cursor.getColumnName(i) != null) {
                        try {
                            if (cursor.getString(i) != null)
                                rowObject.put(cursor.getColumnName(i), cursor.getString(i));
                            else
                                rowObject.put(cursor.getColumnName(i), "");
                        } catch (Exception e) {
                        }
                    }
                }
                resultSet.put(rowObject);
                cursor.moveToNext();
            }
            cursor.close();
        } finally {
            cursor.close();
        }
        return resultSet;
    }

}