utils/netty/src/main/java/org/onlab/netty/EchoHandler.java

/*
 * 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.onlab.netty;

import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

//FIXME: Should be move out to test or app
/**
 * Message handler that echos the message back to the sender.
 */
public class EchoHandler implements MessageHandler {

    private final Logger log = LoggerFactory.getLogger(getClass());

    @Override
    public void handle(Message message) throws IOException {
        log.info("Received message. Echoing it back to the sender.");
        message.respond(message.payload());
    }
}