Android Open Source - Mamytas Logger

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Back to project page Mamytas.

License

The source code is released under:

GNU General Public License

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Java Source Code

package mn.aug.restfulandroid.util;
//w w  w .  j  av  a  2 s .  co m
import java.util.Set;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

/**
 * Utility class for logging
 * 
 * @author jeremy
 * 
 */
public class Logger {

  public static final int VERBOSE = Log.VERBOSE;
  public static final int DEBUG = Log.DEBUG;
  public static final int INFO = Log.INFO;
  public static final int WARN = Log.WARN;
  public static final int ERROR = Log.ERROR;
  public static final int ASSERT = Log.ASSERT;

  private static int mCurrentLevel = ASSERT;

  private static String mAppLogTag = "";

  public static void setAppTag(String appTag) {
    mAppLogTag = appTag;
  }

  public static void setLevel(int level) {
    mCurrentLevel = level;
  }

  public static int getLevel() {
    return mCurrentLevel;
  }

  public static boolean isEnabled(int level) {
    return level >= mCurrentLevel;
  }

  public static void debug(String tag, String message) {
    Log.d(mAppLogTag, formatMessage(tag, message));
  }

  public static void debug(String tag, String message, Throwable throwable) {
    Log.d(mAppLogTag, formatMessage(tag, message));
  }

  public static void debug(String tag, Intent intent) {
    debug(tag, "Intent action=" + intent.getAction());

    // log extras

    Bundle extras = intent.getExtras();

    if (extras != null) {
      Set<String> keys = extras.keySet();

      if (keys == null || (keys != null && keys.isEmpty())) {
        debug(tag, "    extras: none");
      } else {

        debug(tag, "    extras:");

        for (String key : keys) {
          debug(tag, "       " + key + "=" + extras.get(key));
        }

      }
    }
  }

  public static void info(String tag, String message) {
    Log.i(mAppLogTag, formatMessage(tag, message));
  }

  public static void error(String tag, String error) {
    Log.e(mAppLogTag, formatMessage(tag, error));
  }

  public static void error(String tag, String error, Throwable throwable) {
    Log.e(mAppLogTag, formatMessage(tag, error), throwable);
  }

  public static void warn(String tag, String message) {
    Log.w(mAppLogTag, formatMessage(tag, message));
  }

  public static void warn(String tag, String message, Throwable throwable) {
    Log.w(mAppLogTag, formatMessage(tag, message), throwable);
  }

  /**
   * Formats a log message
   * 
   * @param tag
   *            message prefix, typically the requesting class name
   * @param message
   *            message to write
   * @return formatted string of the log message
   */
  private static String formatMessage(String tag, String message) {
    StringBuilder builder = new StringBuilder();

    if (tag.length() > 20) {
      tag = tag.substring(0, 20);
    }

    tag = "[" + tag + "]";

    String prefix = String.format("%-22s ", tag);

    builder.append(prefix).append(message);
    return builder.toString();
  }

}

Java Source Code List