001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.component.binding; 018 019import org.apache.camel.CamelContextAware; 020import org.apache.camel.Exchange; 021import org.apache.camel.Processor; 022import org.apache.camel.support.ServiceSupport; 023import org.apache.camel.util.ServiceHelper; 024 025/** 026 * Applies a {@link org.apache.camel.spi.Binding} to a consumer 027 */ 028public class BindingConsumerProcessor extends ServiceSupport implements Processor { 029 private final BindingEndpoint endpoint; 030 private final Processor delegateProcessor; 031 private final Processor bindingProcessor; 032 033 public BindingConsumerProcessor(BindingEndpoint endpoint, Processor delegateProcessor) { 034 this.endpoint = endpoint; 035 this.delegateProcessor = delegateProcessor; 036 this.bindingProcessor = endpoint.getBinding().createConsumeProcessor(); 037 } 038 039 @Override 040 public void process(Exchange exchange) throws Exception { 041 endpoint.pipelineBindingProcessor(bindingProcessor, exchange, delegateProcessor); 042 } 043 044 @Override 045 protected void doStart() throws Exception { 046 // inject CamelContext 047 if (bindingProcessor instanceof CamelContextAware) { 048 ((CamelContextAware) bindingProcessor).setCamelContext(endpoint.getCamelContext()); 049 } 050 if (delegateProcessor instanceof CamelContextAware) { 051 ((CamelContextAware) delegateProcessor).setCamelContext(endpoint.getCamelContext()); 052 } 053 ServiceHelper.startServices(bindingProcessor, delegateProcessor); 054 } 055 056 @Override 057 protected void doStop() throws Exception { 058 ServiceHelper.stopServices(delegateProcessor, bindingProcessor); 059 } 060}