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.impl;
018
019 import org.apache.camel.CamelContext;
020 import org.apache.camel.Component;
021 import org.apache.camel.Consumer;
022 import org.apache.camel.Exchange;
023 import org.apache.camel.Processor;
024 import org.apache.camel.Producer;
025
026 /**
027 * An endpoint which allows exchanges to be sent into it which just invokes a
028 * given {@link Processor}. This component does not support the use of
029 * consumers.
030 *
031 * @version $Revision: 1.1 $
032 */
033 public class ProcessorEndpoint extends DefaultEndpoint<Exchange> {
034 private final Processor processor;
035
036 public ProcessorEndpoint(String endpointUri, CamelContext context, Processor processor) {
037 super(endpointUri, context);
038 this.processor = processor;
039 }
040
041 public ProcessorEndpoint(String endpointUri, Component component, Processor processor) {
042 super(endpointUri, component);
043 this.processor = processor;
044 }
045
046 public Exchange createExchange() {
047 return new DefaultExchange(getContext());
048 }
049
050 public Producer<Exchange> createProducer() throws Exception {
051 return new DefaultProducer<Exchange>(this) {
052 public void process(Exchange exchange) throws Exception {
053 onExchange(exchange);
054 }
055 };
056 }
057
058 public Consumer<Exchange> createConsumer(Processor processor) throws Exception {
059 throw new UnsupportedOperationException("You cannot consume from this endpoint!");
060 }
061
062 public Processor getProcessor() {
063 return processor;
064 }
065
066 protected void onExchange(Exchange exchange) throws Exception {
067 processor.process(exchange);
068 }
069
070 public boolean isSingleton() {
071 return true;
072 }
073 }