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.Endpoint; 021import org.apache.camel.Exchange; 022import org.apache.camel.Processor; 023import org.apache.camel.Producer; 024import org.apache.camel.impl.DefaultProducer; 025import org.apache.camel.util.ServiceHelper; 026 027/** 028 * A {@link Producer} which applies a {@link org.apache.camel.spi.Binding} before invoking the underlying {@link Producer} on the {@link Endpoint} 029 */ 030public class BindingProducer extends DefaultProducer { 031 private final BindingEndpoint endpoint; 032 private final Processor bindingProcessor; 033 private final Producer delegateProducer; 034 035 public BindingProducer(BindingEndpoint endpoint) throws Exception { 036 super(endpoint); 037 this.endpoint = endpoint; 038 this.bindingProcessor = endpoint.getBinding().createProduceProcessor(); 039 this.delegateProducer = endpoint.getDelegate().createProducer(); 040 } 041 042 @Override 043 public void process(Exchange exchange) throws Exception { 044 endpoint.pipelineBindingProcessor(bindingProcessor, exchange, delegateProducer); 045 } 046 047 @Override 048 protected void doStart() throws Exception { 049 // inject CamelContext 050 if (bindingProcessor instanceof CamelContextAware) { 051 ((CamelContextAware) bindingProcessor).setCamelContext(getEndpoint().getCamelContext()); 052 } 053 if (delegateProducer instanceof CamelContextAware) { 054 ((CamelContextAware) delegateProducer).setCamelContext(getEndpoint().getCamelContext()); 055 } 056 ServiceHelper.startServices(bindingProcessor, delegateProducer); 057 super.doStart(); 058 } 059 060 @Override 061 protected void doStop() throws Exception { 062 ServiceHelper.stopServices(delegateProducer, bindingProcessor); 063 super.doStop(); 064 } 065}