VLog.java :  » Network » vkontakte-android » org » googlecode » vkontakte_android » utils » Android Open Source

package org.googlecode.vkontakte_android.utils;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Random;
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.util.Log;

public class VLog {

  private static Logger logger = Logger.getLogger("org.googlecode.vkontakte_android");
  public static String filename = null;
  
  public static void initialize(Context ctx) {
       // Random number to avoid duplicate files
      Random generator = new Random();
      int random = generator.nextInt(99999); 
      // Embed version in stacktrace filename
      PackageManager pm = ctx.getPackageManager();
      PackageInfo pi = null;
    try {
      pi = pm.getPackageInfo(ctx.getPackageName(), 0);
    } catch (NameNotFoundException e1) {
      e1.printStackTrace();
    }
    VLog.filename = pi.versionName+"-"+Integer.toString(random);

    FileHandler fh = null;
    try {
      fh = new FileHandler(ctx.getFilesDir().getAbsolutePath()+"/"+VLog.filename+".log");
    } catch (IOException e) {
      e.printStackTrace();
    }
    fh.setFormatter(new SimpleFormatter());
    logger.addHandler(fh); 
      logger.setLevel(Level.ALL); 
  }
  
  public static void d(String TAG, String message) {
    Log.d(TAG, message);
    logger.fine(TAG+message);
  }
  
  public static void i(String TAG, String message) {
    Log.i(TAG, message);
    logger.info(TAG+message);
  }
  
  public static void e(String TAG, String message) {
    Log.e(TAG, message);
    logger.severe(TAG+message);
  }
  
  public static void e(String TAG, String message, Exception e) {
    Log.e(TAG, message, e);
    ByteArrayOutputStream ba = new ByteArrayOutputStream();
    e.printStackTrace(new PrintStream(ba));
    logger.severe(TAG+message+"\n"+ba.toString());
  }
}