Android Open Source - MobilHackathon2014 app Logger

From Project

Back to project page MobilHackathon2014.
License

The source code is released under:
GNU General Public License
If you think the Android project MobilHackathon2014 listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

/*
 *   wan delay model analysis via http protocol
 *   Copyright (C) 2014  CagatayS//  w w w .ja v  a 2  s  .c om
 *   05.07.2013
 *
 *   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.
 *
 *   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.
 */

package edu.hackathon.perseus.core;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.TimeZone;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import edu.hackathon.perseus.app.MainService;
import edu.hackathon.perseus.core.httpSpeedTest.REGION;


class logItem
{
  private long time;
  private String downloadBw;
  private String uploadBw;
  private int pingDelay;
  
  logItem(long _time)
  {
    time = _time;
    downloadBw="0";
    uploadBw="0";
    pingDelay=0;
  }
  public long getTime()
  {
    return time;
  }
  public void setDownloadBw(String bw)
  {
    downloadBw = bw.replace(',', '.'); //adjust for matlab;
  }
  public void setUploadBw(String bw)
  {
    uploadBw = bw.replace(',', '.'); //adjust for matlab;
  }
  public void setPingDelay(int delay)
  {
    pingDelay = delay;
  }
  public String toString()
  {
    return downloadBw + ";" + uploadBw + ";" + pingDelay;
  }
}

public class appLogger {
  private String userName;
  private String deviceName;
  private double latitude;
  private double longitude;
  private Date appStartTime;
  private Date appEndTime;
  private int offset;
  private int lastEuLogId;
  private int lastUsaLogId;
  private int lastAsiaLogId;
  private Map<Integer, logItem> euMap;
  private Map<Integer, logItem> usaMap;
  private Map<Integer, logItem> asiaMap;
  
  private static appLogger singleton = new appLogger();

  /* A private Constructor prevents any other 
   * class from instantiating.
   */
  private appLogger(){
  }

  /* Static 'instance' method */
  public static appLogger getInstance( ) {
    return singleton;
  }
  
  public void init(String username, String devicename){
    latitude=0;
    longitude=0;
    lastEuLogId=0;
    lastUsaLogId=0;
    lastAsiaLogId=0;

        offset = TimeZone.getDefault().getOffset(Calendar.ZONE_OFFSET);
    if(TimeZone.getDefault().useDaylightTime())
            offset += 3600000;
    
    euMap = new HashMap<Integer, logItem>();
    usaMap = new HashMap<Integer, logItem>();
    asiaMap = new HashMap<Integer, logItem>();
    
    userName = username;
    deviceName = devicename;
    setAppStartTime();
  }
  
  public void setLocation(double _latitude, double _longitude){
    latitude=_latitude;
    longitude=_longitude;
  }
  
  private void setAppStartTime(){
    appStartTime = new Date();
  }

  private void setAppEndTime(){
    appEndTime = new Date();
  }
  
  public Date getAppStartTime(){
    return appStartTime;
  }

  public Date getAppEndTime(){
    return appEndTime;
  }
    
  public int getLastLogId(httpSpeedTest.REGION region){
    int result = 0;
    if(region == httpSpeedTest.REGION.USA)
      result = lastEuLogId;  
    else if(region == httpSpeedTest.REGION.EU)
      result = lastUsaLogId;
    else
      result = lastAsiaLogId;

    return result;
  }

  public int initLog(httpSpeedTest.REGION region){
    //get unix time, and add offset to get normalized time
    long unixTime = offset + System.currentTimeMillis();
    //Matlab -> timestamp to str: datestr(unixTime/86400000 + datenum(1970,1,1))
    
    int result = 0;
    if(region == httpSpeedTest.REGION.USA){
      lastEuLogId++;
      usaMap.put(lastEuLogId, new logItem(unixTime));
      result = lastEuLogId;
    }
    else if(region == httpSpeedTest.REGION.EU){
      lastUsaLogId++;
      euMap.put(lastUsaLogId, new logItem(unixTime));
      result = lastUsaLogId;
    }
    else{
      lastAsiaLogId++;
      asiaMap.put(lastAsiaLogId, new logItem(unixTime));
      result=lastAsiaLogId;
    }
    return result;
  }
  
  public void addDownloadLog(int timeId, httpSpeedTest.REGION region, String bw){
    if(region == httpSpeedTest.REGION.USA)
      usaMap.get(timeId).setDownloadBw(bw);
    else if(region == httpSpeedTest.REGION.EU)
      euMap.get(timeId).setDownloadBw(bw);
    else
      asiaMap.get(timeId).setDownloadBw(bw);
  }

  public void addUploadLog(int timeId, httpSpeedTest.REGION region, String bw){
    if(region == httpSpeedTest.REGION.USA)
      usaMap.get(timeId).setUploadBw(bw);
    else if(region == httpSpeedTest.REGION.EU)
      euMap.get(timeId).setUploadBw(bw);
    else
      asiaMap.get(timeId).setUploadBw(bw);
  }
  
  public void addPingLog(int timeId, httpSpeedTest.REGION region, int delay){
    if(region == httpSpeedTest.REGION.USA)
      usaMap.get(timeId).setPingDelay(delay);
    else if(region == httpSpeedTest.REGION.EU)
      euMap.get(timeId).setPingDelay(delay);
    else
      asiaMap.get(timeId).setPingDelay(delay);
  }

  public String saveLogsToFile(String folder) throws IOException{
    setAppEndTime();
    String euFile = folder + "/eu_analysis.log";
    String usaFile = folder + "/usa_analysis.log";
    String asiaFile = folder + "/asia_analysis.log";
    saveHelper(euFile,euMap);
    saveHelper(usaFile,usaMap);
    saveHelper(asiaFile,asiaMap);
    
    DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy_HH-mm-ss");
    String zipFileName = dateFormat.format(appStartTime) + "_" + userName.replaceAll("[^a-zA-Z0-9\\.\\-]", "_") + ".zip";
    FileOutputStream fos = new FileOutputStream(folder + "/" + zipFileName);
        ZipOutputStream zos = new ZipOutputStream(fos);
        ZipEntry ze1 = new ZipEntry(euFile);
        ZipEntry ze2 = new ZipEntry(usaFile);
        ZipEntry ze3 = new ZipEntry(asiaFile);
        
        zos.putNextEntry(ze1);
        //read the file and write to ZipOutputStream
        FileInputStream fis = new FileInputStream(euFile);
        byte[] buffer = new byte[1024];
        int len;
        while ((len = fis.read(buffer)) > 0) {
            zos.write(buffer, 0, len);
        }
        fis.close();
        
        zos.putNextEntry(ze2);
        //read the file and write to ZipOutputStream
        fis = new FileInputStream(usaFile);
        buffer = new byte[1024];
        while ((len = fis.read(buffer)) > 0) {
            zos.write(buffer, 0, len);
        }
        fis.close();
        
        zos.putNextEntry(ze3);
        //read the file and write to ZipOutputStream
        fis = new FileInputStream(asiaFile);
        buffer = new byte[1024];
        while ((len = fis.read(buffer)) > 0) {
            zos.write(buffer, 0, len);
        }
        fis.close();
         
        //Close the zip entry to write to zip file
        zos.closeEntry();
        
        //Close resources
        zos.close();
        fos.close();
        
        //if everything goes well, delete text files. we do not need them since we have zip file.
        File fileToBeDeleted = new File(euFile);
        fileToBeDeleted.delete();
        fileToBeDeleted = new File(usaFile);
        fileToBeDeleted.delete();
        fileToBeDeleted = new File(asiaFile);
        fileToBeDeleted.delete();
        
        return zipFileName;
  }
  
  private void saveHelper(String FileName, Map<Integer, logItem> logMap) throws IOException{
    boolean append=false;
    DateFormat dateFormat = new SimpleDateFormat("yyyy,MM,dd,HH,mm,ss");
    //Matlab conversion: datestr([2003,10,24,12,45,07])
    
    File file = new File(FileName);
    FileWriter fileWriter = new FileWriter(file, append);
    BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
    //write analyser or location name
    bufferedWriter.write(userName);
    bufferedWriter.newLine();
    //write deveice name
    bufferedWriter.write(deviceName);
    bufferedWriter.newLine();
    //write latitude
    bufferedWriter.write(String.valueOf(latitude));
    bufferedWriter.newLine();
    //write longitude
    bufferedWriter.write(String.valueOf(longitude));
    bufferedWriter.newLine();
    //write interval of actions
    bufferedWriter.write(MainService.getInterval().toString());
    bufferedWriter.newLine();
    //write time offset
    bufferedWriter.write(String.valueOf(offset));
    bufferedWriter.newLine();
    //write start date of the simulation
    bufferedWriter.write(dateFormat.format(appStartTime));
    bufferedWriter.newLine();
    //write end date of the simulation
    bufferedWriter.write(dateFormat.format(appEndTime));
    bufferedWriter.newLine();
    
//    boolean startSaving = false;
//    int time = 0;
//    //start saving from 00:00 am!
//    for (Map.Entry<Integer, logItem> entry : logMap.entrySet()) {
//      //Integer key = entry.getKey();
//      logItem value = entry.getValue();
//        
//      if(startSaving==false){
//        if(value.getTime().contains(" 00:00"))
//          startSaving = true;
//        else
//          continue;
//      }
//      
//      bufferedWriter.write(time + ";" + value.toString());
//      bufferedWriter.newLine();
//      time += MainService.getInterval();
//    }
//    
//    //continue saving to complete 24 hours loop
//    for (Map.Entry<Integer, logItem> entry : logMap.entrySet()) {
//      //Integer key = entry.getKey();
//      logItem value = entry.getValue();
//        
//      if(value.getTime().contains(" 00:00"))
//        break;
//      
//      bufferedWriter.write(time + ";" + value.toString());
//      bufferedWriter.newLine();
//      time += MainService.getInterval();
//    }
    
    for (Map.Entry<Integer, logItem> entry : logMap.entrySet()) {
      logItem value = entry.getValue();
      bufferedWriter.write(value.getTime() + ";" + value.toString());
      bufferedWriter.newLine();
    }
    
    bufferedWriter.close();
  }
}
Java Source Code List
