Wrapper for android Log class

gistfile1.java

package me.tlync.android.util;

import android.util.Log;

/**
 * Android Log wrapper class that can use {@link String#format(String, Object...)} in logging message
 */
public class Logger {

	private static final String TAG = Logger.class.getSimpleName();
	private static final String EMPTY = "";

	/**
	 * Send a VERBOSE log message.
	 * @param tag
	 * @param format
	 * @param args
	 * @return
	 */
	public static int v(String tag, String format, Object... args) {
		return Log.v(tag, format(format, args));
	}

	/**
	 * Send a VERBOSE log message and log the exception.
	 * @param tag
	 * @param msg
	 * @param e
	 * @return
	 */
	public static int v(String tag, String msg, Throwable e) {
		return Log.v(tag, msg, e);
	}

	/**
	 * Send a VERBOSE log message and log the exception.
	 * @param tag
	 * @param format
	 * @param e
	 * @param args
	 * @return
	 */
	public static int v(String tag, String format, Throwable e, Object... args) {
		return Log.v(tag, format(format, args), e);
	}

	/**
	 * Send a DEBUG log message.
	 * @param tag
	 * @param format
	 * @param args
	 * @return
	 */
	public static int d(String tag, String format, Object... args) {
		return Log.d(tag, format(format, args));
	}

	/**
	 * Send a DEBUG log message and log the exception.
	 * @param tag
	 * @param msg
	 * @param e
	 * @return
	 */
	public static int d(String tag, String msg, Throwable e) {
		return Log.d(tag, msg, e);
	}

	/**
	 * Send a DEBUG log message and log the exception.
	 * @param tag
	 * @param format
	 * @param e
	 * @param args
	 * @return
	 */
	public static int d(String tag, String format, Throwable e, Object... args) {
		return Log.d(tag, format(format, args), e);
	}

	/**
	 * Send a WARN log message.
	 * @param tag
	 * @param format
	 * @param args
	 * @return
	 */
	public static int w(String tag, String format, Object... args) {
		return Log.w(tag, format(format, args));
	}

	/**
	 * Send a WARN log message and log the exception.
	 * @param tag
	 * @param msg
	 * @param e
	 * @return
	 */
	public static int w(String tag, String msg, Throwable e) {
		return Log.w(tag, msg, e);
	}

	/**
	 * Send a WARN log message and log the exception.
	 * @param tag
	 * @param format
	 * @param e
	 * @param args
	 * @return
	 */
	public static int w(String tag, String format, Throwable e, Object... args) {
		return Log.w(tag, format(format, args), e);
	}

	/**
	 * Send a INFO log message.
	 * @param tag
	 * @param format
	 * @param args
	 * @return
	 */
	public static int i(String tag, String format, Object... args) {
		return Log.i(tag, format(format, args));
	}

	/**
	 * Send a INFO log message and log the exception.
	 * @param tag
	 * @param msg
	 * @param e
	 * @return
	 */
	public static int i(String tag, String msg, Throwable e) {
		return Log.i(tag, msg, e);
	}

	/**
	 * Send a INFO log message and log the exception.
	 * @param tag
	 * @param format
	 * @param e
	 * @param args
	 * @return
	 */
	public static int i(String tag, String format, Throwable e, Object... args) {
		return Log.i(tag, format(format, args), e);
	}

	/**
	 * Send a ERROR log message.
	 * @param tag
	 * @param format
	 * @param args
	 * @return
	 */
	public static int e(String tag, String format, Object... args) {
		return Log.e(tag, format(format, args));
	}

	/**
	 * Send a ERROR log message and log the exception.
	 * @param tag
	 * @param msg
	 * @param e
	 * @return
	 */
	public static int e(String tag, String msg, Throwable e) {
		return Log.e(tag, msg, e);
	}

	/**
	 * Send a ERROR log message and log the exception.
	 * @param tag
	 * @param format
	 * @param e
	 * @param args
	 * @return
	 */
	public static int e(String tag, String format, Throwable e, Object... args) {
		return Log.e(tag, format(format, args), e);
	}

	private static String format(String format, Object... args) {
		try {
			return String.format(format == null ? EMPTY : format, args);
		} catch (RuntimeException e) {
			Logger.w(TAG, "format error. reason=%s, format=%s", e.getMessage(), format);
			return String.format(EMPTY, format);
		}

	}

}