org.digitalcampus.oppia.utils.MetaDataUtils.java Source code

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Here is the source code for org.digitalcampus.oppia.utils.MetaDataUtils.java

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/* 
 * This file is part of OppiaMobile - https://digital-campus.org/
 * 
 * OppiaMobile 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.
 * 
 * OppiaMobile 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 OppiaMobile. If not, see <http://www.gnu.org/licenses/>.
 */
package org.digitalcampus.oppia.utils;

import java.util.Iterator;

import org.digitalcampus.oppia.activity.PrefsActivity;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.BatteryManager;
import android.preference.PreferenceManager;
import android.telephony.TelephonyManager;

public class MetaDataUtils {

    public static final String TAG = MetaDataUtils.class.getSimpleName();
    private String networkProvider;
    private String deviceId;
    private String simSerial;
    private Context ctx;

    public MetaDataUtils(Context ctx) {
        this.ctx = ctx;
        TelephonyManager manager = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
        networkProvider = manager.getNetworkOperatorName();
        deviceId = manager.getDeviceId();
        simSerial = manager.getSimSerialNumber();
    }

    private String getNetworkProvider() {
        return networkProvider;
    }

    private String getDeviceId() {
        return deviceId;
    }

    private String getSimSerial() {
        return simSerial;
    }

    private float getBatteryLevel() {
        Intent batteryIntent = ctx.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
        int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

        // Error checking that probably isn't needed but I added just in case.
        if (level == -1 || scale == -1) {
            return 50.0f;
        }

        return ((float) level / (float) scale) * 100.0f;
    }

    public void saveMetaData(JSONObject metadata, SharedPreferences prefs) throws JSONException {
        Editor editor = prefs.edit();
        Iterator<?> keys = metadata.keys();
        while (keys.hasNext()) {
            String key = (String) keys.next();
            editor.putBoolean(PrefsActivity.PREF_METADATA + "_" + key, metadata.getBoolean(key));
        }
        editor.commit();
    }

    public JSONObject getMetaData(JSONObject json) throws JSONException {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_NETWORK", false)) {
            json.put("network", this.getNetworkProvider());
        }
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_DEVICE_ID", false)) {
            json.put("deviceid", this.getDeviceId());
        }
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_SIM_SERIAL", false)) {
            json.put("simserial", this.getSimSerial());
        }
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_WIFI_ON", false)) {
            json.put("wifion", ConnectionUtils.isOnWifi(ctx));
        }
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_NETWORK_CONNECTED", false)) {
            json.put("netconnected", ConnectionUtils.isNetworkConnected(ctx));
        }
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_BATTERY_LEVEL", false)) {
            json.put("battery", this.getBatteryLevel());
        }
        if (prefs.getBoolean(PrefsActivity.PREF_METADATA + "_GPS", false)) {
            json.put("gps", "0,0");
        }
        return json;
    }
}