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.ironmq;
  
  import io.iron.ironmq.Queue;
  import org.apache.camel.Exchange;
  import org.apache.camel.InvalidPayloadException;
  import org.apache.camel.Message;
  import org.apache.camel.support.DefaultProducer;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * The IronMQ producer.
   */
  public class IronMQProducer extends DefaultProducer {
  
      private static final Logger LOG = LoggerFactory.getLogger(IronMQProducer.class);
  
      private final Queue ironQueue;
  
      public IronMQProducer(IronMQEndpoint endpoint, Queue ironQueue) {
          super(endpoint);
          this.ironQueue = ironQueue;
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          IronMQConfiguration configuration = getEndpoint().getConfiguration();
          if (IronMQConstants.CLEARQUEUE.equals(exchange.getIn().getHeader(IronMQConstants.OPERATION, String.class))) {
              this.ironQueue.clear();
          } else {
              Object messageId = null;
              Object body = exchange.getIn().getBody();
              if (body instanceof String[]) {
                  messageId = this.ironQueue.pushMessages((String[]) body, configuration.getVisibilityDelay());
              } else if (body instanceof String) {
                  if (configuration.isPreserveHeaders()) {
                      body = GsonUtil.getBodyFromMessage(exchange.getIn());
                  }
                  messageId = this.ironQueue.push((String) body, configuration.getVisibilityDelay());
              } else {
                  throw new InvalidPayloadException(exchange, String.class);
              }
              LOG.trace("Send request [{}] from exchange [{}]...", body, exchange);
              LOG.trace("Received messageId [{}]", messageId);
              Message message = getMessageForResponse(exchange);
              message.setHeader(IronMQConstants.MESSAGE_ID, messageId);
          }
      }
  
      private Message getMessageForResponse(Exchange exchange) {
          if (exchange.getPattern().isOutCapable()) {
              Message out = exchange.getOut();
              out.copyFrom(exchange.getIn());
              return out;
          }
  
          return exchange.getIn();
      }
  
      @Override
      public IronMQEndpoint getEndpoint() {
          return (IronMQEndpoint) super.getEndpoint();
      }
  
  }
  