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.direct;
018
019import org.apache.camel.AsyncCallback;
020import org.apache.camel.Exchange;
021import org.apache.camel.impl.DefaultAsyncProducer;
022
023/**
024 * The direct producer.
025 *
026 * @version 
027 */
028public 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}