source: other-projects/tipple-android/src/org/tipple/mapDisplay/TippleLog.java@ 26523

package org.tipple.mapDisplay;

import java.io.File;
import java.io.PrintStream;
import java.text.DecimalFormat;
import java.util.Calendar;
import java.util.Date;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.location.Location;

public class TippleLog {
    protected Activity activity_;
    protected String log_directory_;

    public PrintStream TIPLOG = null;
    protected boolean logging_enabled_ = false;
    protected File logging_file_;
    protected String logging_filename_final_;

    public TippleLog(Activity activity, String logDirectory) {
        activity_ = activity;
        log_directory_ = logDirectory;

        // boolean logfile_ok = initLogging();
        // alertLogging(logfile_ok);
    }

    public void optStartLog() {
        if (TIPLOG != null) {
            TIPLOG.println("<Log>");
        }
    }

    public void optStopLog() {
        if (TIPLOG != null) {
            TIPLOG.println("</Log>");

            TIPLOG.close();

            File logging_file_final = new File(logging_filename_final_);
            logging_file_.renameTo(logging_file_final);

        }
    }

    public void optMessage(String action, String message_line) {
        if (logging_enabled_) {

            TIPLOG.println("  <LogEntry>");

            final long timestamp = System.currentTimeMillis();
            final Calendar cal = Calendar.getInstance();
            cal.setTimeInMillis(timestamp);
            Date date = cal.getTime();
            int hour = date.getHours();
            int minute = date.getMinutes();
            int seconds = date.getSeconds();

            TIPLOG.println("    <Timestamp>" + timestamp + "</Timestamp>");
            TIPLOG.println("    <Time>" + hour + ":" + minute + ":" + seconds
                    + "</Time>");

            Location loc = locationListener.lastKnownLocation;
            if (loc != null) {
                double longitude = loc.getLongitude();
                double latitude = loc.getLatitude();
                double accuracy = loc.getAccuracy();
                TIPLOG.println("    <Longitude>" + longitude + "</Longitude>");
                TIPLOG.println("    <Latitude>" + latitude + "</Latitude>");
                TIPLOG.println("    <Accuracy>" + accuracy + "</Accuracy>");
            }
            TIPLOG.println("    <Action>" + action + "</Action>");
            if (message_line != "") {
                TIPLOG.println("    <Message>" + message_line + "</Message>");
            }
            TIPLOG.println("  </LogEntry>");
        }
    }

    public void optMessage(String action) {
        optMessage(action, "");
    }

    DialogInterface.OnClickListener contEnableCallback = new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            logging_enabled_ = true;
            dialog.cancel();
            // dialog.notifyAll();
        }
    };

    DialogInterface.OnClickListener contDisableCallback = new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {

            // Delete logging file, then allow application to proceed
            logging_file_.delete();
            logging_file_ = null;
            TIPLOG = null;

            logging_enabled_ = false;

            // SharedPreferences.Editor editor =
            // activity_.sharedPreferences.edit();
            // editor.putBoolean("showUserTrail", false);
            // editor.commit();

            dialog.cancel();
        }
    };

    DialogInterface.OnClickListener stopCallback = new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {

            // Delete logging file, then finish application

            logging_file_.delete();
            logging_file_ = null;
            TIPLOG = null;

            logging_enabled_ = false;

            activity_.finish();
        }
    };

    protected boolean initLogging() {
        boolean logfile_ok = false;

        try {

            for (int i = 1; i < 1000; i++) {

                DecimalFormat zeroFill = new DecimalFormat("000");
                String formatted_i = zeroFill.format(i);

                File potential_log_file = new File(log_directory_,
                        "UserInteract-" + formatted_i + ".log");

                if (potential_log_file.exists()) {
                    continue;
                }

                logging_file_ = new File(log_directory_, "UserInteract-"
                        + formatted_i);
                logging_filename_final_ = logging_file_.getAbsolutePath()
                        + ".log";

                TIPLOG = new PrintStream(logging_file_);
                if (TIPLOG != null) {
                    logfile_ok = true;
                    break;
                }
            }
        } catch (Exception e) {
            logging_file_ = null;
            e.printStackTrace();
        }

        return logfile_ok;
    }

    protected void alertLogging(boolean logfile_ok) {
        AlertDialog.Builder confirm_log_alert = new AlertDialog.Builder(
                activity_);

        if (logfile_ok) {
            confirm_log_alert.setTitle("Logging Activity");
            confirm_log_alert
                    .setMessage("Tipple can log your user interaction.  Do you want this activated?");
            // confirm_log_alert.setPositiveButton(R.string.logging_ok_enable,contEnableCallback);
            // confirm_log_alert.setNegativeButton(R.string.logging_ok_disable,contDisableCallback);
        } else {
            confirm_log_alert.setTitle("Error");
            confirm_log_alert
                    .setMessage("Failed to initialize user activity log file");
            // confirm_log_alert.setPositiveButton(R.string.logging_error_continue,contDisableCallback);
            // confirm_log_alert.setNegativeButton(R.string.logging_error_stop,stopCallback);
        }

        confirm_log_alert.show();
    }
}