Android Open Source - VoLTE_Dialer Call Logger

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Back to project page VoLTE_Dialer.

License

The source code is released under:

GNU General Public License

Java Source Code

/**
 *  Part of the dialer for testing VoLTE network side KPIs.
 *  /*from w ww.j a  v a2s .  com*/
 *   Copyright (C) 2014  Spinlogic
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as 
 *  published by the Free Software Foundation.
 *
 *  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 at.a1.volte_dialer.callmonitor;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;

import net.spinlogic.logger.SP_Logger;
import android.os.Environment;

public class CallLogger {
  final static String TAG = "CallLogger";
  private final static Logger LOGGER = Logger.getLogger(SP_Logger.LOGGER_NAME);
  
  public static final String  CSV_CHAR  = ",";  // character to separate entries in log
  
  // Log file directory and name
  public static final String FN_VDDIR = "volte_dialer";
  public static final String FN_VDLOG = "vd_calllog.txt";
  
  private static File logFile;
  
  /**
   * Selects the file in which to log data initially.
   * This method should be called when the application starts before 
   * it logs any data.
   */
  public static void initializeValues() {
    LOGGER.setLevel(Level.INFO);
    String state = Environment.getExternalStorageState();
    //  We have to select which log file to use.
    if (Environment.MEDIA_MOUNTED.equals(state)) {
      File path = new File(Environment.getExternalStorageDirectory() + File.separator + FN_VDDIR);
      //  Make directory if it does not exist
      if(!path.exists()) {
        path.mkdir();
      }
      logFile = new File(path, FN_VDLOG);
    }
  }

  
  public static void appendLog(String text, long date) {
    String METHOD = "::appendLog ";
    
    if (!logFile.exists()) {
      try {
        if(logFile.createNewFile()) {
          // Write the header. Must correspond with logged fields in 
          // at.a1.volte_dialer_dialer.CallDescription
          String logline = "DATE,START TIME,DIRECTION,PREFIX,DURATION,ALERTING,CONNECTED,DISCONNECTION SIDE," +
                   "DISCONNECT CAUSE,START CID,START SIGNAL,END CID,END SIGNAL,SRVCC";
          insertLine(logline);
//          Logger.Log(TAG + METHOD, "appendLog: Creating new logfile");
          LOGGER.info(TAG + METHOD + "appendLog: Creating new logfile");
        }
      }
      catch (IOException e) {
//        Logger.Log(TAG, METHOD + e.getMessage());
        LOGGER.info(TAG + METHOD + "appendLog: Creating new logfile");
      }
    }
    try {
      //  Prepend date and time information to the log data
      SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd,HH:mm:ss");
      String currentDateandTime = sdf.format(new Date(date));
      String logline = currentDateandTime + "," + text;
      insertLine(logline);
    }
    catch (IOException e) {
//      Logger.Log(TAG, METHOD + e.getClass().getName() + e.toString());
      LOGGER.info(TAG + METHOD + e.getClass().getName() + e.toString());
    }
  }
  
  public static void deleteLog() {
    logFile.delete();
  }
  
  private static void insertLine(String logline) throws IOException {
    BufferedWriter buf = new BufferedWriter(new FileWriter(logFile, true)); 
    buf.append(logline);
    buf.newLine();
    buf.close();
  }
}

Java Source Code List

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