Package io.undertow.examples.chat

Source Code of io.undertow.examples.chat.ChatServer

/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.examples.chat;

import io.undertow.Undertow;
import io.undertow.examples.UndertowExample;
import io.undertow.server.handlers.resource.ClassPathResourceManager;
import io.undertow.websockets.WebSocketConnectionCallback;
import io.undertow.websockets.core.AbstractReceiveListener;
import io.undertow.websockets.core.BufferedTextMessage;
import io.undertow.websockets.core.WebSocketChannel;
import io.undertow.websockets.core.WebSockets;
import io.undertow.websockets.spi.WebSocketHttpExchange;

import static io.undertow.Handlers.path;
import static io.undertow.Handlers.resource;
import static io.undertow.Handlers.websocket;

/**
* @author Stuart Douglas
*/
@UndertowExample("Chat")
public class ChatServer {

    public static void main(final String[] args) {

        System.out.println("To see chat in action is to open two different browsers and point them at http://localhost:8080");

        Undertow server = Undertow.builder()
                .addHttpListener(8080, "localhost")
                .setHandler(path()
                        .addPrefixPath("/myapp", websocket(new WebSocketConnectionCallback() {

                            @Override
                            public void onConnect(WebSocketHttpExchange exchange, WebSocketChannel channel) {
                                channel.getReceiveSetter().set(new AbstractReceiveListener() {

                                    @Override
                                    protected void onFullTextMessage(WebSocketChannel channel, BufferedTextMessage message) {
                                        final String messageData = message.getData();
                                        for (WebSocketChannel session : channel.getPeerConnections()) {
                                            WebSockets.sendText(messageData, session, null);
                                        }
                                    }
                                });
                                channel.resumeReceives();
                            }

                        }))
                        .addPrefixPath("/", resource(new ClassPathResourceManager(ChatServer.class.getClassLoader(), ChatServer.class.getPackage()))
                                .addWelcomeFiles("index.html")))
                .build();

        server.start();
    }

}
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