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    
018    package org.apache.geronimo.system.logging.log4j;
019    
020    import org.apache.log4j.spi.Filter;
021    import org.apache.log4j.spi.LoggingEvent;
022    
023    /**
024     *
025     *
026     * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
027     */
028    public class NamedNDCFilter extends Filter {
029        private NamedNDC namedNDC;
030        private String name;
031        private String value;
032        private boolean acceptOnMatch = true;
033    
034        public String getName() {
035            return name;
036        }
037    
038        public void setName(final String name) {
039            this.name = name;
040            namedNDC = NamedNDC.getNamedNDC(name);
041        }
042    
043        public String getValue() {
044            return value;
045        }
046    
047        public void setValue(final String value) {
048            this.value = value;
049        }
050    
051        public boolean getAcceptOnMatch() {
052            return acceptOnMatch;
053        }
054    
055        public void setAcceptOnMatch(final boolean acceptOnMatch) {
056            this.acceptOnMatch = acceptOnMatch;
057        }
058    
059        public int decide(LoggingEvent event) {
060            if (value == null) {
061                return Filter.NEUTRAL;
062            }
063    
064            Object ndcValue = namedNDC.get();
065            if (ndcValue == null) {
066                return Filter.NEUTRAL;
067            }
068    
069            if (value.equals(ndcValue.toString())) {
070                if (acceptOnMatch) {
071                    return Filter.ACCEPT;
072                } else {
073                    return Filter.DENY;
074                }
075            }
076            return Filter.NEUTRAL;
077        }
078    }