io.undertow.examples.websockets.WebSocketServer Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
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*
* 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,
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* See the License for the specific language governing permissions and
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*/
package io.undertow.examples.websockets;
import io.undertow.Undertow;
import io.undertow.examples.UndertowExample;
import io.undertow.server.handlers.resource.ClassPathResourceManager;
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.WebSocketConnectionCallback;
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("Web Sockets")
public class WebSocketServer {
public static void main(final String[] args) {
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) {
WebSockets.sendText(message.getData(), channel, null);
}
});
channel.resumeReceives();
}
}))
.addPrefixPath("/", resource(new ClassPathResourceManager(WebSocketServer.class.getClassLoader(), WebSocketServer.class.getPackage())).addWelcomeFiles("index.html")))
.build();
server.start();
}
}