| /* |
| * ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache POI" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache POI", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.poi.util; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Provides logging without clients having to mess with |
| * configuration/initialization. |
| * |
| * @author Andrew C. Oliver (acoliver at apache dot org) |
| * @author Marc Johnson (mjohnson at apache dot org) |
| * @author Nicola Ken Barozzi (nicolaken at apache.org) |
| */ |
| |
| public class POILogFactory |
| { |
| // private static LogFactory _creator = LogFactory.getFactory(); |
| |
| // map of POILogger instances, with classes as keys |
| private static Map _loggers = new HashMap();; |
| |
| |
| /** |
| * construct a POILogFactory. |
| */ |
| |
| private POILogFactory() |
| { |
| } |
| |
| /** |
| * Get a logger, based on a class name |
| * |
| * @param theclass the class whose name defines the log |
| * |
| * @return a POILogger for the specified class |
| */ |
| |
| public static POILogger getLogger( final Class theclass ) |
| { |
| return getLogger( theclass.getName() ); |
| } |
| |
| /** |
| * Get a logger, based on a String |
| * |
| * @param cat the String that defines the log |
| * |
| * @return a POILogger for the specified class |
| */ |
| |
| public static POILogger getLogger( final String cat ) |
| { |
| POILogger logger = null; |
| |
| if ( _loggers.containsKey( cat ) ) |
| { |
| logger = (POILogger) _loggers.get( cat ); |
| } |
| else |
| { |
| logger = new POILogger( ); |
| _loggers.put( cat, logger ); |
| } |
| return logger; |
| } |
| |
| } // end public class POILogFactory |