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.weather;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.Processor;
  import org.apache.camel.RuntimeCamelException;
  import org.apache.camel.support.ScheduledPollConsumer;
  import org.apache.camel.util.ObjectHelper;
  import org.apache.hc.client5.http.classic.HttpClient;
  import org.apache.hc.client5.http.classic.methods.HttpGet;
  import org.apache.hc.core5.http.HttpStatus;
  import org.apache.hc.core5.http.io.entity.EntityUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class WeatherConsumer extends ScheduledPollConsumer {
      public static final long DEFAULT_CONSUMER_DELAY = 60 * 60 * 1000L;
  
      private static final Logger LOG = LoggerFactory.getLogger(WeatherConsumer.class);
  
      private String query;
  
      public WeatherConsumer(WeatherEndpoint endpoint, Processor processor) {
          super(endpoint, processor);
      }
  
      @Override
      public WeatherEndpoint getEndpoint() {
          return (WeatherEndpoint) super.getEndpoint();
      }
  
      @Override
      protected void doStart() throws Exception {
          super.doStart();
          this.query = this.getEndpoint().getWeatherQuery().getQuery();
      }
  
      @Override
      protected int poll() throws Exception {
          LOG.debug("Going to execute the Weather query {}", query);
          HttpClient httpClient = getEndpoint().getConfiguration().getHttpClient();
          HttpGet getMethod = new HttpGet(query);
          try {
              return httpClient.execute(
                      getMethod,
                      response -> {
                          try {
                              if (HttpStatus.SC_OK != response.getCode()) {
                                  LOG.warn("HTTP call for weather returned error status code {} - {} as a result with query: {}",
                                          status,
                                          response.getCode(), query);
                                  return 0;
                              }
                              String weather = EntityUtils.toString(response.getEntity(), "UTF-8");
                              LOG.debug("Got back the Weather information {}", weather);
                              if (ObjectHelper.isEmpty(weather)) {
                                  // empty response
                                  return 0;
                              }
  
                              Exchange exchange = getEndpoint().createExchange();
                              String header = getEndpoint().getConfiguration().getHeaderName();
                              if (header != null) {
                                  exchange.getIn().setHeader(header, weather);
                              } else {
                                  exchange.getIn().setBody(weather);
                              }
                              exchange.getIn().setHeader(WeatherConstants.WEATHER_QUERY, query);
  
                              try {
                                  getProcessor().process(exchange);
                              } catch (Exception e) {
                                  throw new RuntimeCamelException(e);
                              }
  
                              return 1;
                          } finally {
                              getMethod.reset();
                          }
                      });
          } catch (RuntimeCamelException e) {
              if (e.getCause() instanceof Exception ex) {
                  throw ex;
              }
              throw e;
          }
      }
  
  }
  