Java tutorial
/******************************************************************************* * Copyright 2011 See AUTHORS file. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package com.badlogic.gdx.utils; import com.badlogic.gdx.Application; import com.badlogic.gdx.Gdx; /** Simple logger that uses the {@link Application} logging facilities to output messages. The log level set with * {@link Application#setLogLevel(int)} overrides the log level set here. * @author mzechner * @author Nathan Sweet */ public class Logger { static public final int NONE = 0; static public final int ERROR = 1; static public final int INFO = 2; static public final int DEBUG = 3; private final String tag; private int level; public Logger(String tag) { this(tag, ERROR); } public Logger(String tag, int level) { this.tag = tag; this.level = level; } public void debug(String message) { if (level >= DEBUG) Gdx.app.debug(tag, message); } public void debug(String message, Exception exception) { if (level >= DEBUG) Gdx.app.debug(tag, message, exception); } public void info(String message) { if (level >= INFO) Gdx.app.log(tag, message); } public void info(String message, Exception exception) { if (level >= INFO) Gdx.app.log(tag, message, exception); } public void error(String message) { if (level >= ERROR) Gdx.app.error(tag, message); } public void error(String message, Throwable exception) { if (level >= ERROR) Gdx.app.error(tag, message, exception); } /** Sets the log level. {@link #NONE} will mute all log output. {@link #ERROR} will only let error messages through. * {@link #INFO} will let all non-debug messages through, and {@link #DEBUG} will let all messages through. * @param level {@link #NONE}, {@link #ERROR}, {@link #INFO}, {@link #DEBUG}. */ public void setLevel(int level) { this.level = level; } public int getLevel() { return level; } }