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.impl;
018    
019    import org.apache.camel.Endpoint;
020    import org.apache.camel.Exchange;
021    import org.apache.camel.ExchangePattern;
022    import org.apache.camel.Producer;
023    import org.apache.camel.support.ServiceSupport;
024    import org.apache.camel.util.URISupport;
025    import org.slf4j.Logger;
026    import org.slf4j.LoggerFactory;
027    
028    /**
029     * A default implementation of {@link Producer} for implementation inheritance.
030     *
031     * @version 
032     */
033    public abstract class DefaultProducer extends ServiceSupport implements Producer {
034        protected final transient Logger log = LoggerFactory.getLogger(getClass());
035        private final Endpoint endpoint;
036    
037        public DefaultProducer(Endpoint endpoint) {
038            this.endpoint = endpoint;
039        }
040    
041        @Override
042        public String toString() {
043            return "Producer[" + URISupport.sanitizeUri(endpoint.getEndpointUri()) + "]";
044        }
045    
046        public Endpoint getEndpoint() {
047            return endpoint;
048        }
049    
050        public Exchange createExchange() {
051            return endpoint.createExchange();
052        }
053    
054        public Exchange createExchange(ExchangePattern pattern) {
055            return endpoint.createExchange(pattern);
056        }
057    
058        public Exchange createExchange(Exchange exchange) {
059            return endpoint.createExchange(exchange);
060        }
061    
062        public boolean isSingleton() {
063            return true;
064        }
065    
066        protected void doStart() throws Exception {
067            // log at debug level for singletons, for prototype scoped log at trace level to not spam logs
068            if (isSingleton()) {
069                log.debug("Starting producer: {}", this);
070            } else {
071                log.trace("Starting producer: {}", this);
072            }
073        }
074    
075        protected void doStop() throws Exception {
076            // log at debug level for singletons, for prototype scoped log at trace level to not spam logs
077            if (isSingleton()) {
078                log.debug("Stopping producer: {}", this);
079            } else {
080                log.trace("Stopping producer: {}", this);
081            }
082        }
083    }