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.component.log;
018    
019    import java.util.Map;
020    
021    import org.apache.camel.Endpoint;
022    import org.apache.camel.Exchange;
023    import org.apache.camel.converter.ObjectConverter;
024    import org.apache.camel.impl.DefaultComponent;
025    import org.apache.camel.impl.ProcessorEndpoint;
026    import org.apache.camel.processor.Logger;
027    import org.apache.camel.processor.LoggingLevel;
028    import org.apache.camel.processor.ThroughputLogger;
029    import org.apache.camel.util.IntrospectionSupport;
030    
031    /**
032     * The <a href="http://activemq.apache.org/camel/log.html">Log Component</a>
033     * to log message exchanges to the underlying logging mechanism.
034     *
035     * @version $Revision: 44882 $
036     */
037    public class LogComponent extends DefaultComponent<Exchange> {
038    
039        protected Endpoint<Exchange> createEndpoint(String uri, String remaining, Map parameters) throws Exception {
040            LoggingLevel level = getLoggingLevel(parameters);
041            Integer groupSize = getAndRemoveParameter(parameters, "groupSize", Integer.class);
042    
043            Logger logger;
044            if (groupSize != null) {
045                logger = new ThroughputLogger(remaining, level, ObjectConverter.toInteger(groupSize));
046            } else {
047                LogFormatter formatter = new LogFormatter();
048                IntrospectionSupport.setProperties(formatter, parameters);
049    
050                logger = new Logger(remaining);
051                logger.setLevel(level);
052                logger.setFormatter(formatter);
053            }
054    
055            return new ProcessorEndpoint(uri, this, logger);
056        }
057    
058        /**
059         * Gets the logging level, will default to use INFO if no level parameter provided.
060         */
061        protected LoggingLevel getLoggingLevel(Map parameters) {
062            String levelText = getAndRemoveParameter(parameters, "level", String.class, "INFO");
063            return LoggingLevel.valueOf(levelText.toUpperCase());
064        }
065    
066    }