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.coap;
  
  import java.util.Iterator;
  
  import org.apache.camel.Processor;
  import org.apache.camel.support.DefaultConsumer;
  import org.eclipse.californium.core.server.resources.Resource;
  
  /**
   * The CoAP consumer.
   */
  public class CoAPConsumer extends DefaultConsumer {
      private final CoAPEndpoint endpoint;
  
      public CoAPConsumer(final CoAPEndpoint endpoint, final Processor processor) {
          super(endpoint, processor);
          this.endpoint = endpoint;
      }
  
      public CoAPEndpoint getCoapEndpoint() {
          return endpoint;
      }
  
      @Override
      protected void doStart() throws Exception {
          super.doStart();
  
          Iterator<String> pathSegmentIterator = endpoint.getPathSegmentsFromURI().iterator();
          Resource cr = endpoint.getCoapServer().getRoot();
          while (pathSegmentIterator.hasNext()) {
              String pathSegment = pathSegmentIterator.next();
              Resource child = cr.getChild(pathSegment);
              if (child == null) {
                  child = new CamelCoapResource(pathSegment, this);
                  ((CamelCoapResource) child).setObservable(endpoint.isObservable());
                  cr.add(child);
                  cr = child;
              } else if (!pathSegmentIterator.hasNext()) {
                  ((CamelCoapResource) child).addConsumer(this);
              } else {
                  cr = child;
              }
          }
      }
  }
  