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.jt400;
018    
019    import com.ibm.as400.access.AS400;
020    import com.ibm.as400.access.DataQueue;
021    import org.apache.camel.Exchange;
022    import org.apache.camel.Producer;
023    import org.apache.camel.component.jt400.Jt400DataQueueEndpoint.Format;
024    import org.apache.camel.impl.DefaultProducer;
025    
026    /**
027     * {@link Producer} to send data to an AS/400 data queue.
028     */
029    public class Jt400DataQueueProducer extends DefaultProducer {
030    
031        private final Jt400DataQueueEndpoint endpoint;
032    
033        protected Jt400DataQueueProducer(Jt400DataQueueEndpoint endpoint) {
034            super(endpoint);
035            this.endpoint = endpoint;
036        }
037    
038        /**
039         * Sends the {@link Exchange}'s in body to the AS/400 data queue. If the
040         * endpoint's format is set to {@link Format#binary}, the data queue entry's
041         * data will be sent as a <code>byte[]</code>. If the endpoint's format is
042         * set to {@link Format#text}, the data queue entry's data will be sent as a
043         * <code>String</code>.
044         */
045        public void process(Exchange exchange) throws Exception {
046            DataQueue queue = endpoint.getDataQueue();
047            if (endpoint.getFormat() == Format.binary) {
048                queue.write(exchange.getIn().getBody(byte[].class));
049            } else {
050                queue.write(exchange.getIn().getBody(String.class));
051            }
052        }
053    
054        @Override
055        protected void doStart() throws Exception {
056            if (!endpoint.getSystem().isConnected()) {
057                log.info("Connecting to " + endpoint);
058                endpoint.getSystem().connectService(AS400.DATAQUEUE);
059            }
060        }
061    
062        @Override
063        protected void doStop() throws Exception {
064            if (endpoint.getSystem().isConnected()) {
065                log.info("Disconnecting from " + endpoint);
066                endpoint.getSystem().disconnectAllServices();
067            }
068        }
069    
070    }