001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements. See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache license, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License. You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the license for the specific language governing permissions and
015     * limitations under the license.
016     */
017    package org.apache.logging.slf4j;
018    
019    import java.util.ArrayList;
020    import java.util.Iterator;
021    import java.util.List;
022    
023    import org.apache.logging.log4j.MarkerManager;
024    import org.slf4j.IMarkerFactory;
025    import org.slf4j.Marker;
026    import org.slf4j.impl.StaticMarkerBinder;
027    
028    /**
029     * Log4j/SLF4J {@link org.slf4j.Marker} type bridge.
030     */
031    public class Log4jMarker implements Marker {
032    
033        public static final long serialVersionUID = 1590472L;
034    
035        private final IMarkerFactory factory = StaticMarkerBinder.SINGLETON.getMarkerFactory();
036    
037        private final org.apache.logging.log4j.Marker marker;
038    
039        /**
040         * Constructs a Log4jMarker using an existing Log4j {@link org.apache.logging.log4j.Marker}.
041         * @param marker The Log4j Marker upon which to base this Marker.
042         */
043        public Log4jMarker(final org.apache.logging.log4j.Marker marker) {
044            this.marker = marker;
045        }
046    
047        public org.apache.logging.log4j.Marker getLog4jMarker() {
048            return marker;
049        }
050    
051        @Override
052        public void add(final Marker marker) {
053            final Marker m = factory.getMarker(marker.getName());
054            this.marker.addParents(((Log4jMarker)m).getLog4jMarker());
055        }
056    
057        @Override
058        public boolean remove(final Marker marker) {
059            return this.marker.remove(MarkerManager.getMarker(marker.getName()));
060        }
061    
062        @Override
063        public String getName() {
064            return marker.getName();
065        }
066    
067        @Override
068        public boolean hasReferences() {
069            return marker.hasParents();
070        }
071    
072        @Override
073        public boolean hasChildren() {
074            return marker.hasParents();
075        }
076    
077        @Override
078        @SuppressWarnings("rawtypes")
079        public Iterator iterator() {
080            final List<Marker> parents = new ArrayList<Marker>();
081            for (final org.apache.logging.log4j.Marker m : this.marker.getParents()) {
082                parents.add(factory.getMarker(m.getName()));
083            }
084            return parents.iterator();
085        }
086    
087        @Override
088        public boolean contains(final org.slf4j.Marker marker) {
089            return this.marker.isInstanceOf(marker.getName());
090        }
091    
092        @Override
093        public boolean contains(final String s) {
094            return this.marker.isInstanceOf(s);
095        }
096    }