/*
* Copyright 2015 the original author or authors.
*
* Licensed 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.springframework.xd.rxjava;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
import rx.Observable;
import rx.functions.Func1;
/**
*
* A simple stream processor that transforms messages by adding "-pong" to the payload.
*
* @author Mark Pollack
*/
@SuppressWarnings("rawtypes")
public class PongMessageProcessor implements Processor<Message, Message> {
@Override
public Observable<Message> process(Observable<Message> inputStream) {
return inputStream.map(new Func1<Message, Message>() {
@Override
public Message call(Message message) {
return new GenericMessage<String>(message.getPayload() + "-pojopong");
}
});
}
}