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.kestrel;
018    
019    import net.spy.memcached.MemcachedClient;
020    import org.apache.camel.CamelExchangeException;
021    import org.apache.camel.Exchange;
022    import org.apache.camel.impl.DefaultProducer;
023    import org.slf4j.Logger;
024    import org.slf4j.LoggerFactory;
025    
026    /**
027     * Camel producer for communication with a kestrel based queue.
028     */
029    public class KestrelProducer extends DefaultProducer {
030        private final KestrelEndpoint endpoint;
031        private final MemcachedClient memcachedClient;
032    
033        public KestrelProducer(final KestrelEndpoint endpoint, final MemcachedClient memcachedClient) {
034            super(endpoint);
035            this.endpoint = endpoint;
036            this.memcachedClient = memcachedClient;
037        }
038    
039        public void process(Exchange exchange) throws Exception {
040            String msg = exchange.getIn().getBody(String.class);
041            String queue = endpoint.getQueue();
042            if (msg != null) {
043                try {
044                    log.debug("Sending to: {} message: {}", queue, msg);
045                    memcachedClient.set(queue, 0, msg);
046                } catch (Exception e) {
047                    throw new CamelExchangeException("Error sending to: " + queue, exchange, e);
048                }
049            } else {
050                log.debug("No message body to send to: " + queue);
051            }
052        }
053    }