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.Exchange; 021 import org.apache.camel.impl.DefaultAsyncProducer; 022 023 /** 024 * The direct producer. 025 * 026 * @version 027 */ 028 public class DirectProducer extends DefaultAsyncProducer { 029 private final DirectEndpoint endpoint; 030 031 public DirectProducer(DirectEndpoint endpoint) { 032 super(endpoint); 033 this.endpoint = endpoint; 034 } 035 036 public void process(Exchange exchange) throws Exception { 037 if (endpoint.getConsumer() == null) { 038 throw new DirectConsumerNotAvailableException("No consumers available on endpoint: " + endpoint, exchange); 039 } else { 040 endpoint.getConsumer().getProcessor().process(exchange); 041 } 042 } 043 044 public boolean process(Exchange exchange, AsyncCallback callback) { 045 if (endpoint.getConsumer() == null) { 046 // indicate its done synchronously 047 exchange.setException(new DirectConsumerNotAvailableException("No consumers available on endpoint: " + endpoint, exchange)); 048 callback.done(true); 049 return true; 050 } else { 051 return endpoint.getConsumer().getAsyncProcessor().process(exchange, callback); 052 } 053 } 054 055 }