/**
 * 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 example;

import java.io.IOException;
import java.net.InetSocketAddress;

import org.apache.avro.ipc.SocketServer;
import org.apache.avro.ipc.SocketTransceiver;
import org.apache.avro.ipc.specific.SpecificRequestor;
import org.apache.avro.ipc.specific.SpecificResponder;
import org.apache.avro.util.Utf8;

import example.proto.Mail;
import example.proto.Message;
import org.apache.avro.ipc.NettyServer;
import org.apache.avro.ipc.NettyTransceiver;
import org.apache.avro.ipc.Server;
import org.apache.avro.ipc.specific.SpecificRequestor;
import org.apache.avro.ipc.specific.SpecificResponder;
import org.apache.avro.util.Utf8;

import java.io.IOException;
import java.net.InetSocketAddress;

/**
 * Start a server, attach a client, and send a message.
 */
public class Main {
    public static class MailImpl implements Mail {
        // in this simple example just return details of the message
        public Utf8 send(Message message) {
            System.out.println("Sending message");
            return new Utf8("Sending message to " + message.getTo().toString()
                    + " from " + message.getFrom().toString()
                    + " with body " + message.getBody().toString());
        }
    }

    private static Server server;

    private static void startServer() throws IOException {
        server = new NettyServer(new SpecificResponder(Mail.class, new MailImpl()), new InetSocketAddress(65111));
        // the server implements the Mail protocol (MailImpl)
    }

    public static void main(String[] args) throws IOException {
        if (args.length != 3) {
            System.out.println("Usage: <to> <from> <body>");
            System.exit(1);
        }

        System.out.println("Starting server");
        // usually this would be another app, but for simplicity
        startServer();
        System.out.println("Server started");

        NettyTransceiver client = new NettyTransceiver(new InetSocketAddress(65111));
        // client code - attach to the server and send a message
        Mail proxy = (Mail) SpecificRequestor.getClient(Mail.class, client);
        System.out.println("Client built, got proxy");

        // fill in the Message record and send it
        Message message = new Message();
        message.setTo(new Utf8(args[0]));
        message.setFrom(new Utf8(args[1]));
        message.setBody(new Utf8(args[2]));
        System.out.println("Calling proxy.send with message:  " + message.toString());
        System.out.println("Result: " + proxy.send(message));

        // cleanup
        client.close();
        server.close();
    }
}

@@ -887,297 +887,8 @@
 s;%0A%0A
-import org.apache.avro.ipc.SocketServer;%0Aimport org.apache.avro.ipc.SocketTransceiver;%0Aimport org.apache.avro.ipc.specific.SpecificRequestor;%0Aimport org.apache.avro.ipc.specific.SpecificResponder;%0Aimport org.apache.avro.util.Utf8;%0A%0Aimport example.proto.Mail;%0Aimport example.proto.Message;%0A
 impo
@@ -915,32 +915,32 @@
 pc.NettyServer;%0A
+
 import org.apach
@@ -1159,62 +1159,56 @@
 ort 
-java.io.IOException;%0Aimport java.net.InetSocketAddress
+example.proto.Mail;%0Aimport example.proto.Message
 ;%0A%0A/

Remove import duplications in Main.java