/*
    * Copyright 2015 the original author or authors.
    *
    * Licensed 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.openehealth.ipf.platform.camel.ihe.core;
  
  import org.apache.camel.*;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Adapter for HL7v2 interceptors which allows them
   * to be exposed as Camel {@link Producer}s.
   *
   * @author Dmytro Rud
   */
  public class Interceptor2ProducerAdapter implements Producer, DelegateProcessor, ServicePoolAware {
      private final Processor interceptor;
      private final Producer originalProducer;
  
      public Interceptor2ProducerAdapter(Processor interceptor, Producer originalProducer) {
          this.interceptor = requireNonNull(interceptor);
          this.originalProducer = requireNonNull(originalProducer);
      }
  
      @Override
      public Processor getProcessor() {
          return interceptor;
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          interceptor.process(exchange);
      }
  
      @Override
      public Endpoint getEndpoint() {
          return originalProducer.getEndpoint();
      }
  
      @Override
      public Exchange createExchange() {
          return originalProducer.getEndpoint().createExchange();
      }
  
      @Override
      public Exchange createExchange(ExchangePattern pattern) {
          return originalProducer.getEndpoint().createExchange(pattern);
      }
  
      @Override
      @Deprecated
      public Exchange createExchange(Exchange exchange) {
          return originalProducer.getEndpoint().createExchange(exchange);
      }
  
      @Override
      public void start() throws Exception {
          originalProducer.start();
      }
  
      @Override
      public void stop() throws Exception {
          originalProducer.stop();
      }
  
      @Override
      public boolean isSingleton() {
          return originalProducer.isSingleton();
      }
  }