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 * @version $Revision: 36321 $ 030 */ 031 public class DirectProducer<E extends Exchange> extends DefaultProducer implements AsyncProcessor { 032 private static final transient Log LOG = LogFactory.getLog(DirectProducer.class); 033 private DirectEndpoint<E> endpoint; 034 035 public DirectProducer(DirectEndpoint<E> endpoint) { 036 super(endpoint); 037 this.endpoint = endpoint; 038 } 039 040 public void process(Exchange exchange) throws Exception { 041 if (endpoint.getConsumers().isEmpty()) { 042 LOG.warn("No getConsumers() available on " + this + " for " + exchange); 043 } else { 044 for (DefaultConsumer<E> consumer : endpoint.getConsumers()) { 045 consumer.getProcessor().process(exchange); 046 } 047 } 048 } 049 050 public boolean process(Exchange exchange, AsyncCallback callback) { 051 int size = endpoint.getConsumers().size(); 052 if (size == 0) { 053 LOG.warn("No getConsumers() available on " + this + " for " + exchange); 054 } else { 055 if (size > 1) { 056 // Too hard to do multiple async.. do it sync 057 try { 058 for (DefaultConsumer<E> consumer : endpoint.getConsumers()) { 059 consumer.getProcessor().process(exchange); 060 } 061 } catch (Throwable error) { 062 exchange.setException(error); 063 } 064 } else { 065 for (DefaultConsumer<E> consumer : endpoint.getConsumers()) { 066 AsyncProcessor processor = AsyncProcessorTypeConverter.convert(consumer.getProcessor()); 067 return processor.process(exchange, callback); 068 } 069 } 070 } 071 callback.done(true); 072 return true; 073 } 074 }