Android Open Source - android-filelogger F Log

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License

The source code is released under:

Apache License

Java Source Code

package com.levelup.logutils;
// w  w  w . j  av a 2 s  .co m
import android.util.Log;

/**
 * class to send log messages in a log file in addition to the regular Android logs
 * @see {@link FLogSDK8} for the {@link Log#wtf(String, String)} calls in API v8
 */
public class FLog {

  private static FLogLevel logLevel = FLogLevel.V;

  protected static FileLogger flogger;
  private static boolean hasAndroidLogs = true;

  /**
   * Set the {@link FileLogger} to be used by FLog
   * @see also {@link #setLogLevel(FLogLevel)}
   * @param logger
   */
  public static void setFileLogger(FileLogger logger) {
    flogger = logger;
  }

  /**
   * Set the minimum level to be written the log file
   * <p>
   * default to {@link FLogLevel#V}
   * @param level
   */
  public static void setLogLevel(FLogLevel level) {
    logLevel = level;
  }
  
  protected static boolean checkLevel(FLogLevel level) {
    return logLevel.allows(level);
  }

  public static void v(String tag, String message) {
    if (checkLevel(FLogLevel.V)) {
      if (isDebugEnable()) {
        Log.v(tag, message);
      }
      if (flogger!=null) {
        flogger.v(message, tag);
      }
    }
  }

  public static void v(String tag, String message, Throwable tr) {
    if (checkLevel(FLogLevel.V)) {
      if (isDebugEnable()) {
        Log.v(tag, message, tr);
      }
      if (flogger!=null) {
        flogger.v(message, tag, tr);
      }
    }
  }

  public static void d(String tag, String message) {
    if (checkLevel(FLogLevel.D)) {
      if (isDebugEnable()) {
        Log.d(tag, message);
      }
      if (flogger!=null) {
        flogger.d(tag, message);
      }
    }
  }

  public static void d(String tag, String message, Throwable tr) {
    if (checkLevel(FLogLevel.D)) {
      if (isDebugEnable()) {
        Log.d(tag, message,tr);
      }
      if (flogger!=null) {
        flogger.d(tag, message, tr);
      }
    }
  }

  public static void i(String tag, String message) {
    if (checkLevel(FLogLevel.I)) {
      if (isDebugEnable()) {
        Log.i(tag, message);
      }
      if (flogger!=null) {
        flogger.i(message, tag);
      }
    }
  }

  public static void i(String tag, String message, Throwable tr) {
    if (checkLevel(FLogLevel.I)) {
      if (isDebugEnable()) {
        Log.i(tag, message,tr);
      }
      if (flogger!=null) {
        flogger.i(message, tag, tr);
      }
    }
  }

  public static void w(String tag, String message) {
    if (checkLevel(FLogLevel.W)) { 
      if (isDebugEnable()) {
        Log.w(tag, message);
      }
      if (flogger!=null) {
        flogger.w(tag, message);
      }
    }
  }

  public static void w(String tag, String message, Throwable tr) {
    if (checkLevel(FLogLevel.W)) { 
      if (isDebugEnable()) {
        Log.w(tag, message,tr);
      }
      if (flogger!=null) {
        flogger.w(tag, message, tr);
      }
    }
  }

  public static void e(String tag, String message) {
    if (checkLevel(FLogLevel.E)) {
      if (isDebugEnable()) {
        Log.e(tag, message);
      }
      if (flogger!=null) {
        flogger.e(tag, message);
      }
    }
  }

  public static void e(String tag, String message, Throwable tr) {
    if (checkLevel(FLogLevel.E)) {
      if (isDebugEnable()) {
        Log.e(tag, message,tr);
      }
      if (flogger!=null) {
        flogger.e(tag, message, tr);
      }
    }
  }

  public static void wtf(String tag, String message) {
    if (checkLevel(FLogLevel.WTF)) {
      if (isDebugEnable()) {
        Log.wtf(tag, message);
      }
      if (flogger!=null) {
        flogger.wtf(tag, message);
      }
    }
  }

  public static void wtf(String tag, String message, Throwable tr) {
    if (checkLevel(FLogLevel.WTF)) {
      if (isDebugEnable()) {
        Log.wtf(tag, message, tr);
      }
      if (flogger!=null) {
        flogger.wtf(tag, message, tr);
      }
    }
  }

  /**
   * Will the FileLogger write or display logs.
   * 
   * @return
   */
  public static boolean isDebugEnable() {
    return hasAndroidLogs && (flogger!=null || BuildConfig.DEBUG);
  }

  /**
   * When enabled send the log in the file and in the Android logs
   * @param enable
   */
  public static void enableAndroidLogging(boolean enable) {
    hasAndroidLogs = enable;
  }
}

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