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/**
 * Copyright (c) 2004-2011 QOS.ch
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
package org.slf4j;

import org.slf4j.helpers.BasicMarkerFactory;
import org.slf4j.helpers.Util;
import org.slf4j.impl.StaticMarkerBinder;

/**
 * MarkerFactory is a utility class producing {@link Marker} instances as
 * appropriate for the logging system currently in use.
 * 
 * 

* This class is essentially implemented as a wrapper around an * {@link IMarkerFactory} instance bound at compile time. * *

* Please note that all methods in this class are static. * * @author Ceki Gülcü */ public class MarkerFactory { static IMarkerFactory MARKER_FACTORY; private MarkerFactory() { } /** * As of SLF4J version 1.7.14, StaticMarkerBinder classes shipping in various bindings * come with a getSingleton() method. Previously only a public field called SINGLETON * was available. * * @return IMarkerFactory * @throws NoClassDefFoundError in case no binding is available * @since 1.7.14 */ private static IMarkerFactory bwCompatibleGetMarkerFactoryFromBinder() throws NoClassDefFoundError { try { return StaticMarkerBinder.getSingleton().getMarkerFactory(); } catch (NoSuchMethodError nsme) { // binding is probably a version of SLF4J older than 1.7.14 return StaticMarkerBinder.SINGLETON.getMarkerFactory(); } } // this is where the binding happens static { try { MARKER_FACTORY = bwCompatibleGetMarkerFactoryFromBinder(); } catch (NoClassDefFoundError e) { MARKER_FACTORY = new BasicMarkerFactory(); } catch (Exception e) { // we should never get here Util.report("Unexpected failure while binding MarkerFactory", e); } } /** * Return a Marker instance as specified by the name parameter using the * previously bound {@link IMarkerFactory}instance. * * @param name * The name of the {@link Marker} object to return. * @return marker */ public static Marker getMarker(String name) { return MARKER_FACTORY.getMarker(name); } /** * Create a marker which is detached (even at birth) from the MarkerFactory. * * @param name the name of the marker * @return a dangling marker * @since 1.5.1 */ public static Marker getDetachedMarker(String name) { return MARKER_FACTORY.getDetachedMarker(name); } /** * Return the {@link IMarkerFactory}instance in use. * *

The IMarkerFactory instance is usually bound with this class at * compile time. * * @return the IMarkerFactory instance in use */ public static IMarkerFactory getIMarkerFactory() { return MARKER_FACTORY; } }





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