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.camel.management;
018    
019    import java.util.EventObject;
020    
021    import org.apache.camel.support.EventNotifierSupport;
022    import org.slf4j.Logger;
023    import org.slf4j.LoggerFactory;
024    
025    /**
026     * Logging event notifier that only notifies if <tt>INFO</tt> log level has
027     * been configured for its logger.
028     *
029     * @version 
030     */
031    public class LoggingEventNotifier extends EventNotifierSupport {
032    
033        private Logger log = LoggerFactory.getLogger(LoggingEventNotifier.class);
034        private String logName;
035    
036        public void notify(EventObject event) throws Exception {
037            log.info("Event: " + event);
038        }
039    
040        public boolean isEnabled(EventObject event) {
041            return log.isInfoEnabled();
042        }
043    
044        public String getLogName() {
045            return logName;
046        }
047    
048        /**
049         * Sets the log name to use.
050         *
051         * @param logName a custom log name to use
052         */
053        public void setLogName(String logName) {
054            this.logName = logName;
055        }
056    
057        protected void doStart() throws Exception {
058            if (logName != null) {
059                log = LoggerFactory.getLogger(logName);
060            }
061        }
062    
063        protected void doStop() throws Exception {
064        }
065    }