/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2017 iText Group NV
 * Authors: Balder Van Camp, Emiel Ackermann, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General License for more
 * details. You should have received a copy of the GNU Affero General License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General License.
 *
 * In accordance with Section 7(b) of the GNU Affero General License, a covered
 * work must retain the producer line in every PDF that is created or
 * manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing a
 * commercial license. Buying such a license is mandatory as soon as you develop
 * commercial activities involving the iText software without disclosing the
 * source code of your own applications. These activities include: offering paid
 * services to customers as an ASP, serving PDFs on the fly in a web
 * application, shipping iText with a closed source product.
 *
 * For more information, please contact iText Software Corp. at this address:
 * sales@itextpdf.com
 */
package com.itextpdf.text.log;

/**
 * Logger interface
 * {@link LoggerFactory#setLogger(Logger)}.
 *
 * @author redlab_b
 *
 */
public interface Logger {

	/**
	 * @param klass
	 * @return the logger for the given klass
	 */
	Logger getLogger(Class<?> klass);

	Logger getLogger(String name);
	/**
	 * @param level
	 * @return true if there should be logged for the given level
	 */
	boolean isLogging(Level level);
	/**
	 * Log a warning message.
	 * @param message
	 */
	void warn(final String message);

	/**
	 * Log a trace message.
	 * @param message
	 */
	void trace(final String message);

	/**
	 * Log a debug message.
	 * @param message
	 */
	void debug(final String message);

	/**
	 * Log an info message.
	 * @param message
	 */
	void info(final String message);
	/**
	 * Log an error message.
	 * @param message
	 */
	void error(final String message);

	/**
	 * Log an error message and exception.
	 * @param message
	 * @param e
	 */
	void error(final String message, Exception e);

}