Logger.java

/*
 Swisscom Safe Connect
 Copyright (C) 2014 Swisscom

 This program 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.

 This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.swisscom.safeconnect.utils;

import android.content.Context;
import android.util.Log;
import com.swisscom.safeconnect.BuildConfig;

import java.io.*;

/**
 * Created by cianci on 20.05.14.
 */
public class Logger {

    public static File saveLogs (Context context){
        BufferedReader br;
        InputStreamReader isr = null;

        File file = new File(context.getExternalFilesDir(null), Config.LOG_FNAME);
        FileOutputStream fs = null;
        OutputStreamWriter wr = null;

        try {
            fs = new FileOutputStream(file);
            wr = new OutputStreamWriter(fs);

            Process logcat = Runtime.getRuntime().exec("logcat -d -v time");
            isr = new InputStreamReader(logcat.getInputStream());
            br = new BufferedReader(isr);

            String line = "";
            while ((line = br.readLine()) != null) {
                wr.append(line).append("\n");
            }

            br.close();
            isr.close();
            wr.close();
            fs.close();
        } catch (FileNotFoundException e) {
            if (BuildConfig.DEBUG) Log.e(Config.TAG, "Error: " + e.getMessage(), e);
            return null;
        } catch (IOException e) {
            if (BuildConfig.DEBUG) Log.e(Config.TAG, "Error: " + e.getMessage(), e);
            return null;
        }

        return file;
    }
}