/* | |
* 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 com.example.demo; | |
import org.apache.camel.Exchange; | |
public class MergeAggregationStrategy implements org.apache.camel.AggregationStrategy { | |
@Override | |
public Exchange aggregate(Exchange oldExchange, Exchange newExchange) { | |
if (oldExchange == null) | |
{ | |
return newExchange; | |
} | |
String oldPayload = oldExchange.getIn().getBody(String.class); | |
String newPayload = newExchange.getIn().getBody(String.class); | |
String result = oldPayload + ", " + newPayload; | |
oldExchange.getIn().setBody(result); | |
return oldExchange; | |
} | |
@Override | |
public void onCompletion(Exchange exchange) { | |
String payload = exchange.getIn().getBody(String.class); | |
String result = "["+payload+"]"; | |
exchange.getIn().setBody(result); | |
} | |
} |