001/*
002 * $Id: LoggerFactory.java 4863 2011-05-12 07:01:55Z redlab_b $
003 *
004 * This file is part of the iText (R) project. Copyright (c) 1998-2011 1T3XT
005 * BVBA Authors: Bruno Lowagie, Paulo Soares, et al.
006 *
007 * This program is free software; you can redistribute it and/or modify it under
008 * the terms of the GNU Affero General Public License version 3 as published by
009 * the Free Software Foundation with the addition of the following permission
010 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
011 * WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, 1T3XT DISCLAIMS THE WARRANTY
012 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
013 *
014 * This program is distributed in the hope that it will be useful, but WITHOUT
015 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
016 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
017 * details. You should have received a copy of the GNU Affero General Public
018 * License along with this program; if not, see http://www.gnu.org/licenses or
019 * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
020 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
021 * http://itextpdf.com/terms-of-use/
022 *
023 * The interactive user interfaces in modified source and object code versions
024 * of this program must display Appropriate Legal Notices, as required under
025 * Section 5 of the GNU Affero General Public License.
026 *
027 * In accordance with Section 7(b) of the GNU Affero General Public License, a
028 * covered work must retain the producer line in every PDF that is created or
029 * manipulated using iText.
030 *
031 * You can be released from the requirements of the license by purchasing a
032 * commercial license. Buying such a license is mandatory as soon as you develop
033 * commercial activities involving the iText software without disclosing the
034 * source code of your own applications. These activities include: offering paid
035 * services to customers as an ASP, serving PDFs on the fly in a web
036 * application, shipping iText with a closed source product.
037 *
038 * For more information, please contact iText Software Corp. at this address:
039 * sales@itextpdf.com
040 */
041package com.itextpdf.text.log;
042
043/**
044 * LoggerFactory can be used to set a logger. The logger should be created by
045 * implementing {@link Logger}. In the implementation users can choose how they
046 * log received messages. Added for developers. For some cases it can be handy
047 * to receive logging statements while developing applications with iText
048 *
049 * @author redlab_b
050 *
051 */
052public class LoggerFactory {
053
054        static {
055                myself = new LoggerFactory();
056        }
057
058        private static LoggerFactory myself;
059        /**
060         * Returns the logger set in this LoggerFactory. Defaults to {@link NoOpLogger}
061         * @param klass
062         * @return the logger.
063         */
064        public static Logger getLogger(final Class<?> klass) {
065                return myself.logger.getLogger(klass);
066        }
067        /**
068         * Returns the logger set in this LoggerFactory. Defaults to {@link NoOpLogger}
069         * @param name
070         * @return the logger.
071         */
072        public static Logger getLogger(final String name) {
073                return myself.logger.getLogger(name);
074        }
075        /**
076         * Returns the LoggerFactory
077         * @return singleton instance of this LoggerFactory
078         */
079        public static LoggerFactory getInstance() {
080                return myself;
081        }
082
083        private Logger logger = new NoOpLogger();
084
085        private LoggerFactory() {
086        }
087
088        /**
089         * Set the global logger to process logging statements with.
090         *
091         * @param logger the logger
092         */
093        public void setLogger(final Logger logger) {
094                this.logger = logger;
095        }
096
097        /**
098         * Get the logger.
099         *
100         * @return the logger
101         */
102        public Logger logger() {
103                return logger;
104        }
105
106
107}