Android Open Source - HarleyDroid Harley Droid Logger

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License

The source code is released under:
GNU General Public License
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Java Source Code

//
// HarleyDroid: Harley Davidson J1850 Data Analyser for Android.
////w w  w.  ja v  a  2 s  .  c  om
// Copyright (C) 2010-2012 Stelian Pop <stelian@popies.net>
//
// 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 org.harleydroid;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import java.util.zip.GZIPOutputStream;

import android.content.Context;
import android.os.Environment;
import android.util.Log;

public class HarleyDroidLogger implements HarleyDataDashboardListener, HarleyDataDiagnosticsListener, HarleyDataRawListener
{
  private static final boolean D = false;
  private static final String TAG = HarleyDroidLogger.class.getSimpleName();

  static final SimpleDateFormat TIMESTAMP_FORMAT =
    new SimpleDateFormat("yyyyMMddHHmmssSSS", Locale.US);
  static {
    TIMESTAMP_FORMAT.setTimeZone(TimeZone.getDefault());
  }

  private HarleyDroidGPS mGPS = null;
  private BufferedOutputStream mLog = null;
  private boolean mUnitMetric = false;
  private boolean mLogRaw = false;
  private boolean mLogUnknown = false;

  public HarleyDroidLogger(Context context, boolean metric, boolean gps, boolean logRaw, boolean logUnknown) {
    mUnitMetric = metric;
    mLogRaw = logRaw;
    mLogUnknown = logUnknown;
    if (gps)
      mGPS = new HarleyDroidGPS(context);
  }

  public void start() {
    if (D) Log.d(TAG, "start()");

    if (mGPS != null)
      mGPS.start();

    try {
      File path = new File(Environment.getExternalStorageDirectory(), "/Android/data/org.harleydroid/files/");
      path.mkdirs();
      File logFile = new File(path, "harley-" + TIMESTAMP_FORMAT.format(new Date()) + ".log.gz");
      mLog = new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream(logFile, false)));
    } catch (IOException e) {
      Log.d(TAG, "Logfile open " + e);
    }
  }

  static byte[] myGetBytes(String s) {
    byte[] result = new byte[s.length()];
    for (int i = 0; i < s.length(); i++) {
      result[i] = (byte) s.charAt(i);
    }
    return result;
  }

  public void write(String header, byte[] data) {
    if (D) Log.d(TAG, "write()");

    if (mLog != null) {
      try {
        mLog.write(myGetBytes(TIMESTAMP_FORMAT.format(new Date())));
        mLog.write(',');
        mLog.write(myGetBytes(header));
        if (data != null)
          mLog.write(data);
        mLog.write(',');
        if (mGPS != null)
          mLog.write(myGetBytes(mGPS.getLocation()));
        else {
          mLog.write(',');
          mLog.write(',');
        }
        mLog.write('\n');
      } catch (IOException e) {
      }
    }
  }

  public void write(String header, String data) {
    write(header, myGetBytes(data));
  }

  public void write(String data) {
    write(data, (byte[]) null);
  }


  public void stop() {
    if (D) Log.d(TAG, "stop()");

    if (mGPS != null) {
      mGPS.stop();
      mGPS = null;
    }
    if (mLog != null) {
      try {
        mLog.close();
      } catch (IOException e) {
      }
      mLog = null;
    }
  }

  public void onRPMChanged(int rpm) {
    write("RPM," + rpm);
  }

  public void onSpeedImperialChanged(int speed) {
    if (!mUnitMetric)
      write("SPD," + speed);
  }

  public void onSpeedMetricChanged(int speed) {
    if (mUnitMetric)
      write("SPD," + speed);
  }

  public void onEngineTempImperialChanged(int engineTemp) {
    if (!mUnitMetric)
      write("ETP," + engineTemp);
  }

  public void onEngineTempMetricChanged(int engineTemp) {
    if (mUnitMetric)
      write("ETP," + engineTemp);
  }

  public void onFuelGaugeChanged(int full, boolean low) {
    if (low)
      write("FGE,EMPTY");
    else
      write("FGE," + full);
  }

  public void onTurnSignalsChanged(int turnSignals) {
    if ((turnSignals & 0x03) == 0x03)
      write("TRN,W");
    else if ((turnSignals & 0x01) == 0x01)
      write("TRN,R");
    else if ((turnSignals & 0x02) == 0x02)
      write("TRN,L");
    else
      write("TRN,");
  }

  public void onNeutralChanged(boolean neutral) {
    write("NTR," + (neutral ? "1" : "0"));
  }

  public void onClutchChanged(boolean clutch) {
    write("CLU," + (clutch ? "1" : "0"));
  }

  public void onGearChanged(int gear) {
    write("GER," + gear);
  }

  public void onCheckEngineChanged(boolean checkEngine) {
    write("CHK," + (checkEngine ? "1" : "0"));
  }

  public void onOdometerImperialChanged(int odometer) {
    if (!mUnitMetric)
      write("ODO," + odometer);
  }

  public void onOdometerMetricChanged(int odometer) {
    if (mUnitMetric)
      write("ODO," + odometer);
  }

  public void onFuelImperialChanged(int fuel) {
    if (!mUnitMetric)
      write("FUL," + fuel);
  }

  public void onFuelMetricChanged(int fuel) {
    if (mUnitMetric)
      write("FUL," + fuel);
  }

  public void onFuelAverageImperialChanged(int fuel) {
  }

  public void onFuelAverageMetricChanged(int fuel) {
  }

  public void onFuelInstantImperialChanged(int fuel) {
  }

  public void onFuelInstantMetricChanged(int fuel) {
  }

  public void onVINChanged(String vin) {
    write("VIN," + vin);
  }

  public void onECMPNChanged(String ecmPN) {
    write("EPN," + ecmPN);
  }

  public void onECMCalIDChanged(String ecmCalID) {
    write("ECI," + ecmCalID);
  }

  public void onECMSWLevelChanged(int ecmSWLevel) {
    write("ESL," + ecmSWLevel);
  }

  public void onHistoricDTCChanged(String[] dtc) {
    String data = "";
    if (dtc.length > 0)
      data = dtc[0];
    for (int i = 1; i < dtc.length; i++)
      data += "," + dtc[i];
    write("DTH,", data);
  }

  public void onCurrentDTCChanged(String[] dtc) {
    String data = "";
    if (dtc.length > 0)
      data = dtc[0];
    for (int i = 1; i < dtc.length; i++)
      data += "," + dtc[i];
    write("DTC,", data);
  }

  public void onBadCRCChanged(byte[] buffer) {
    write("CRC,", buffer);
  }

  public void onUnknownChanged(byte[] buffer) {
    if (mLogUnknown)
      write("UNK,", buffer);
  }

  public void onRawChanged(byte[] buffer) {
    if (mLogRaw)
      write("RAW,", buffer);
  }
}
Java Source Code List
