content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.component.jt400;
  
  import com.ibm.as400.access.BaseDataQueue;
  import com.ibm.as400.access.DataQueue;
  import com.ibm.as400.access.KeyedDataQueue;
  import org.apache.camel.Exchange;
  import org.apache.camel.Producer;
  import org.apache.camel.support.DefaultProducer;
  
  /**
   * {@link Producer} to send data to an IBM i data queue.
   */
  public class Jt400DataQueueProducer extends DefaultProducer {
  
      private final Jt400Endpoint endpoint;
  
      /**
       * Performs the lifecycle logic of this producer.
       */
      protected Jt400DataQueueProducer(Jt400Endpoint endpoint) {
          super(endpoint);
          this.endpoint = endpoint;
      }
  
      /**
       * Sends the {@link Exchange}'s in body to the IBM i data queue. If the endpoint's format is set to
       * {@link org.apache.camel.component.jt400.Jt400Configuration.Format#binary}, the data queue entry's data will be
       * sent as a <code>byte[]</code>. If the endpoint's format is set to
       * {@link org.apache.camel.component.jt400.Jt400Configuration.Format#text}, the data queue entry's data will be sent
       * as a <code>String</code>.
       * <p/>
       * If the endpoint is configured to publish to a {@link KeyedDataQueue}, then the {@link org.apache.camel.Message}
       * header <code>KEY</code> must be set.
       */
      @Override
      public void process(Exchange exchange) throws Exception {
          try (Jt400DataQueueService queueService = new Jt400DataQueueService(endpoint)) {
              queueService.start();
              BaseDataQueue queue = queueService.getDataQueue();
              if (endpoint.isKeyed()) {
                  process((KeyedDataQueue) queue, exchange);
              } else {
                  process((DataQueue) queue, exchange);
              }
          }
      }
  
      private void process(DataQueue queue, Exchange exchange) throws Exception {
          if (endpoint.getFormat() == Jt400Configuration.Format.binary) {
              queue.write(exchange.getIn().getBody(byte[].class));
          } else {
              queue.write(exchange.getIn().getBody(String.class));
          }
      }
  
      private void process(KeyedDataQueue queue, Exchange exchange) throws Exception {
          if (endpoint.getFormat() == Jt400Configuration.Format.binary) {
              queue.write(exchange.getIn().getHeader(Jt400Endpoint.KEY, byte[].class), exchange.getIn().getBody(byte[].class));
          } else {
              queue.write(exchange.getIn().getHeader(Jt400Endpoint.KEY, String.class), exchange.getIn().getBody(String.class));
          }
      }
  
  }
  