| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.spring.processor; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.processor.aggregate.AggregationStrategy; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A simple aggregator which just appends the message bodies together |
| * |
| * @version |
| */ |
| public class MyAggregator implements AggregationStrategy { |
| private static final transient Logger LOG = LoggerFactory.getLogger(MyAggregator.class); |
| |
| public Exchange aggregate(Exchange oldExchange, Exchange newExchange) { |
| // lets append the old body to the new body |
| if (oldExchange == null) { |
| return newExchange; |
| } |
| |
| String body = oldExchange.getIn().getBody(String.class); |
| if (body != null) { |
| Message newIn = newExchange.getIn(); |
| String newBody = newIn.getBody(String.class); |
| if (newBody != null) { |
| body += " " + newBody; |
| } |
| LOG.debug("**** invoked my strategy with result: " + body); |
| |
| newIn.setBody(body); |
| } |
| return newExchange; |
| } |
| } |