Log.java

package org.jrenner.fps;

import com.badlogic.gdx.Application;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.utils.GdxRuntimeException;

public class Log {
	private static final String TAG = "LOG";
	private static FileHandle logFile;
	private static final String DEBUG_S = "DEBUG";
	private static final String INFO_S = "INFO";
	private static final String ERROR_S = "ERROR";
	private static boolean serverLogToFile = false;
	private static final String serverLogFileName = "fps.log";

	public static void init() {
		if (Main.isServer() && serverLogToFile) {
			logFile = Gdx.files.local(serverLogFileName);
		}
	}

	public static void debug(String msg) {
		Gdx.app.debug(TAG, msg);
		if (Gdx.app.getLogLevel() <= DEBUG)
			writeToFile(DEBUG_S, TAG, msg);
	}

	public static void info(String msg) {
		Gdx.app.log(TAG, msg);
		if (Gdx.app.getLogLevel() <= INFO)
			writeToFile(INFO_S, TAG, msg);
	}

	public static void error(String msg) {
		Gdx.app.log(TAG, msg);
		if (Gdx.app.getLogLevel() <= ERROR)
			writeToFile(ERROR_S, TAG, msg);
	}

	public static void setLevel(int level) {
		Gdx.app.setLogLevel(level);
	}

	private static StringBuilder sb = new StringBuilder();

	private static void writeToFile(String level, String tag, String msg) {
		if (logFile != null) {
			sb.delete(0, sb.length());
			sb.append("[").append(level).append("] ").append(tag).append(": ").append(msg).append("\n");
			try {
				logFile.writeString(sb.toString(), true);
			} catch (Exception e) {
				logFile = null;
				//Log.error(e.toString());
				throw new GdxRuntimeException(e);
			}
		}
	}

	public static final int DEBUG = Application.LOG_DEBUG;
	public static final int INFO = Application.LOG_INFO;
	public static final int ERROR = Application.LOG_ERROR;
}