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.model;
018    
019    import java.util.Collections;
020    import java.util.List;
021    import javax.xml.bind.annotation.XmlAccessType;
022    import javax.xml.bind.annotation.XmlAccessorType;
023    import javax.xml.bind.annotation.XmlAttribute;
024    import javax.xml.bind.annotation.XmlRootElement;
025    
026    import org.apache.camel.Expression;
027    import org.apache.camel.LoggingLevel;
028    import org.apache.camel.Processor;
029    import org.apache.camel.processor.LogProcessor;
030    import org.apache.camel.processor.Logger;
031    import org.apache.camel.spi.RouteContext;
032    import org.apache.camel.util.ObjectHelper;
033    
034    /**
035     * Represents an XML <log/> element
036     *
037     * @version $Revision: 892606 $
038     */
039    @XmlRootElement(name = "log")
040    @XmlAccessorType(XmlAccessType.FIELD)
041    public class LogDefinition extends ProcessorDefinition {
042    
043        @XmlAttribute
044        private String message;
045        @XmlAttribute
046        private LoggingLevel loggingLevel = LoggingLevel.INFO;
047        @XmlAttribute
048        private String logName;
049    
050        public LogDefinition() {
051        }
052    
053        public LogDefinition(String message) {
054            this.message = message;
055        }
056    
057        @Override
058        public String toString() {
059            return "Log[" + message + "]";
060        }
061    
062        @Override
063        public String getShortName() {
064            return "log";
065        }
066    
067        @Override
068        @SuppressWarnings("unchecked")
069        public List<ProcessorDefinition> getOutputs() {
070            return Collections.EMPTY_LIST;
071        }
072    
073        @Override
074        public Processor createProcessor(RouteContext routeContext) throws Exception {
075            ObjectHelper.notEmpty(message, "message", this);
076    
077            // use simple language for the message string to give it more power
078            Expression exp = routeContext.getCamelContext().resolveLanguage("simple").createExpression(message);
079    
080            String name = getLogName();
081            if (name == null) {
082                name = routeContext.getRoute().getId();
083            }
084            Logger logger = new Logger(name, getLoggingLevel());
085    
086            return new LogProcessor(exp, logger);
087        }
088    
089        @Override
090        public void addOutput(ProcessorDefinition processorType) {
091            // add outputs on parent as this log does not support outputs
092            getParent().addOutput(processorType);
093        }
094    
095        public LoggingLevel getLoggingLevel() {
096            return loggingLevel;
097        }
098    
099        public void setLoggingLevel(LoggingLevel loggingLevel) {
100            this.loggingLevel = loggingLevel;
101        }
102    
103        public String getMessage() {
104            return message;
105        }
106    
107        public void setMessage(String message) {
108            this.message = message;
109        }
110    
111        public String getLogName() {
112            return logName;
113        }
114    
115        public void setLogName(String logName) {
116            this.logName = logName;
117        }
118    
119    }