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 */ 017 package org.apache.camel.component.direct; 018 019 import org.apache.camel.AsyncCallback; 020 import org.apache.camel.AsyncProcessor; 021 import org.apache.camel.Exchange; 022 import org.apache.camel.impl.DefaultConsumer; 023 import org.apache.camel.impl.DefaultProducer; 024 import org.apache.camel.impl.converter.AsyncProcessorTypeConverter; 025 import org.apache.commons.logging.Log; 026 import org.apache.commons.logging.LogFactory; 027 028 /** 029 * The direct producer. 030 * 031 * @version $Revision: 567 $ 032 */ 033 public class DirectProducer<E extends Exchange> extends DefaultProducer implements AsyncProcessor { 034 private static final transient Log LOG = LogFactory.getLog(DirectProducer.class); 035 private DirectEndpoint<E> endpoint; 036 037 public DirectProducer(DirectEndpoint<E> endpoint) { 038 super(endpoint); 039 this.endpoint = endpoint; 040 } 041 042 public void process(Exchange exchange) throws Exception { 043 if (endpoint.getConsumers().isEmpty()) { 044 LOG.warn("No getConsumers() available on " + this + " for " + exchange); 045 } else { 046 for (DefaultConsumer<E> consumer : endpoint.getConsumers()) { 047 consumer.getProcessor().process(exchange); 048 } 049 } 050 } 051 052 public boolean process(Exchange exchange, AsyncCallback callback) { 053 int size = endpoint.getConsumers().size(); 054 if (size == 0) { 055 LOG.warn("No getConsumers() available on " + this + " for " + exchange); 056 } else if (size == 1) { 057 DefaultConsumer<E> consumer = endpoint.getConsumers().get(0); 058 AsyncProcessor processor = AsyncProcessorTypeConverter.convert(consumer.getProcessor()); 059 return processor.process(exchange, callback); 060 } else if (size > 1) { 061 // Too hard to do multiple async.. do it sync 062 try { 063 for (DefaultConsumer<E> consumer : endpoint.getConsumers()) { 064 consumer.getProcessor().process(exchange); 065 } 066 } catch (Throwable error) { 067 exchange.setException(error); 068 } 069 } 070 callback.done(true); 071 return true; 072 } 073 }