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.twitter.timeline;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.component.twitter.TwitterEndpoint;
  import org.apache.camel.support.DefaultProducer;
  import org.apache.camel.support.ExchangeHelper;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import twitter4j.v1.Status;
  import twitter4j.v1.StatusUpdate;
  
  /**
   * Produces text as a status update.
   */
  public class UserProducer extends DefaultProducer {
  
      private static final Logger LOG = LoggerFactory.getLogger(UserProducer.class);
  
      private TwitterEndpoint endpoint;
  
      public UserProducer(TwitterEndpoint endpoint) {
          super(endpoint);
          this.endpoint = endpoint;
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          // update user's status
          Object in = exchange.getIn().getBody();
          Status response;
          if (in instanceof StatusUpdate) {
              response = updateStatus((StatusUpdate) in);
          } else {
              String s = exchange.getIn().getMandatoryBody(String.class);
              response = updateStatus(s);
          }
  
          /*
           * Support the InOut exchange pattern in order to provide access to
           * the unique identifier for the published tweet which is returned in the response
           * by the Twitter REST API: https://dev.twitter.com/docs/api/1/post/statuses/update
           *
           * here we just copy the header of in message to the out message
           */
          ExchangeHelper.setOutBodyPatternAware(exchange, response);
      }
  
      private Status updateStatus(StatusUpdate status) throws Exception {
          Status response = endpoint.getProperties().getTwitter().v1().tweets().updateStatus(status);
          LOG.debug("Updated status: {}", status);
          LOG.debug("Status id: {}", response.getId());
          return response;
      }
  
      private Status updateStatus(String status) throws Exception {
          Status response = endpoint.getProperties().getTwitter().v1().tweets().updateStatus(status);
          LOG.debug("Updated status: {}", status);
          LOG.debug("Status id: {}", response.getId());
          return response;
      }
  }
  