/*
* Copyright (C) 2014-2015 Samuel Audet
*
* Licensed either under the Apache License, Version 2.0, or (at your option)
* under the terms of the GNU General Public License as published by
* the Free Software Foundation (subject to the "Classpath" exception),
* either version 2, or any later version (collectively, 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
* http://www.gnu.org/licenses/
* http://www.gnu.org/software/classpath/license.html
*
* or as provided in the LICENSE.txt file that accompanied this code.
* 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 org.bytedeco.javacpp.tools;
/**
* A simple but extensible logging interface that dumps messages to the "standard" output streams by default.
*
* @author Samuel Audet
*/
public class Logger {
/** If the "org.bytedeco.javacpp.logger" system property is set to "slf4j",
* returns new {@link Slf4jLogger#Slf4jLogger(Class)}, else returns new {@link #Logger()}. */
public static Logger create(Class cls) {
String s = System.getProperty("org.bytedeco.javacpp.logger", "").toLowerCase();
return new Logger();
}
static boolean debug = false;
static {
String s = System.getProperty("org.bytedeco.javacpp.logger.debug", "false").toLowerCase();
debug = s.equals("true") || s.equals("t") || s.equals("");
}
/** Returns the "org.bytedeco.javacpp.logger.debug" system property. */
public boolean isDebugEnabled() { return debug; }
/** Returns true. */
public boolean isInfoEnabled() { return true; }
/** Returns true. */
public boolean isWarnEnabled() { return true; }
/** Returns true. */
public boolean isErrorEnabled() { return true; }
/** Calls {@code System.out.println(s)}. */
public void debug(String s) { System.out.println(s); }
/** Calls {@code System.out.println(s)}. */
public void info(String s) { System.out.println(s); }
/** Calls {@code System.err.println("Warning: " + s)}. */
public void warn(String s) { System.err.println("Warning: " + s); }
/** Calls {@code System.err.println("Error: " + s)}. */
public void error(String s) { System.err.println("Error: " + s); }
}