Package io.undertow

Examples of io.undertow.Undertow

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*/
@UndertowExample("File Serving")
public class FileServer {

    public static void main(final String[] args) {
        Undertow server = Undertow.builder()
                .addHttpListener(8080, "localhost")
                .setHandler(resource(new FileResourceManager(new File(System.getProperty("user.home")), 100))
                        .setDirectoryListingEnabled(true))
                .build();
        server.start();
    }
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                .setNext(new PathHandler()
                        .addPrefixPath("/path", new ResourceHandler()
                                // 1 byte = force transfer
                                .setResourceManager(new FileResourceManager(rootPath, 1))
                                .setDirectoryListingEnabled(true))));
        Undertow undertow = Undertow.builder()
                .addHttpListener(8888, "localhost")
                .setHandler(root)
                .build();
        undertow.start();
    }
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*/
@UndertowExample("Hello World")
public class HelloWorldServer {

    public static void main(final String[] args) {
        Undertow server = Undertow.builder()
                .addListener(8080, "localhost")
                .setDefaultHandler(new HttpHandler() {
                    @Override
                    public void handleRequest(final HttpServerExchange exchange) throws Exception {
                        exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain");
                        exchange.getResponseSender().send("Hello World");
                    }
                }).build();
        server.start();
    }
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                                    .addMapping("/myservlet"));

            DeploymentManager manager = container.addDeployment(servletBuilder);
            manager.deploy();

            Undertow server = Undertow.builder()
                    .addListener(8080, "localhost")
                    .setDefaultHandler(manager.start())
                    .build();
            server.start();
        } catch (ServletException e) {
            throw new RuntimeException(e);
        }
    }
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*/
@UndertowExample("Web Sockets")
public class WebSocketServer {

    public static void main(final String[] args) {
        Undertow server = Undertow.builder()
                .addListener(8080, "localhost")
                .addWebSocketHandler("/myapp", new WebSocketSessionHandler() {
                    @Override
                    public void onSession(final WebSocketSession session, WebSocketHttpExchange exchange) {
                        session.setFrameHandler(new AbstractAssembledFrameHandler() {
                            @Override
                            public void onTextFrame(final WebSocketSession session, final WebSocketFrameHeader header, final CharSequence payload) {
                                session.sendText(payload, null);
                            }
                        });
                    }
                })
                .setDefaultHandler(
                        //we use a predicate handler here. If the path is index.html we serve the page
                        //otherwise we redirect to index.html
                        new PredicateHandler(
                                Predicates.path("/index.html"),
                                new ResourceHandler()
                                        .setResourceManager(new ClassPathResourceManager(WebSocketServer.class.getClassLoader(), WebSocketServer.class.getPackage())),
                                new RedirectHandler("http://localhost:8080/index.html")))
                .build();
        server.start();
    }
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        users.put("userOne", "passwordOne".toCharArray());
        users.put("userTwo", "passwordTwo".toCharArray());

        final IdentityManager identityManager = new MapIdentityManager(users);

        Undertow server = Undertow.builder()
                .addListener(8080, "localhost")
                .setDefaultHandler(new HttpHandler() {
                    @Override
                    public void handleRequest(final HttpServerExchange exchange) throws Exception {
                        final SecurityContext context = exchange.getAttachment(SecurityContext.ATTACHMENT_KEY);
                        exchange.getResponseSender().send("Hello " + context.getAuthenticatedAccount().getPrincipal().getName(), IoCallback.END_EXCHANGE);
                    }
                })
                .setLoginConfig(
                        Undertow.loginConfig(identityManager)
                                .basicAuth("MyApp"))
                .build();
        server.start();
    }
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    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()
                .addListener(8080, "localhost")
                .addWebSocketHandler("/myapp", new WebSocketSessionHandler() {
                    @Override
                    public void onSession(final WebSocketSession session, WebSocketHttpExchange exchange) {
                        synchronized (sessions) {
                            sessions.add(session);
                        }
                        session.setFrameHandler(new AbstractAssembledFrameHandler() {
                            @Override
                            public void onTextFrame(final WebSocketSession session, final WebSocketFrameHeader header, final CharSequence payload) {
                                synchronized (sessions) {
                                    Iterator<WebSocketSession> it = sessions.iterator();
                                    while (it.hasNext()) {
                                        final WebSocketSession sess = it.next();
                                        try {
                                            sess.sendText(payload);
                                        } catch (IOException e) {
                                            it.remove();
                                        }
                                    }
                                }
                            }

                            @Override
                            public void onCloseFrame(final WebSocketSession session, final CloseReason reason) {
                                synchronized (sessions) {
                                    sessions.remove(session);
                                }
                            }
                        });
                    }
                })
                .setDefaultHandler(
                        //we use a predicate handler here. If the path is index.html we serve the page
                        //otherwise we redirect to index.html
                        new PredicateHandler(
                                Predicates.path("/index.html"),
                                new ResourceHandler()
                                        .setResourceManager(new ClassPathResourceManager(ChatServer.class.getClassLoader(), ChatServer.class.getPackage())),
                                new RedirectHandler("http://localhost:8080/index.html")))
                .build();
        server.start();
    }
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*/
@UndertowExample("Hello World")
public class HelloWorldServer {

    public static void main(final String[] args) {
        Undertow server = Undertow.builder()
                .addListener(8080, "localhost")
                .setDefaultHandler(new HttpHandler() {
                    @Override
                    public void handleRequest(final HttpServerExchange exchange) throws Exception {
                        exchange.getResponseHeaders().put(Headers.CONTENT_LENGTH, "11");
                        exchange.getResponseSender().send("Hello World", IoCallback.END_EXCHANGE);
                    }
                }).build();
        server.start();
    }
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    /* the address and port to receive normal requests */
    static String phost = System.getProperty("io.undertow.examples.proxy.ADDRESS", "localhost");
    static final int pport = Integer.parseInt(System.getProperty("io.undertow.examples.proxy.PORT", "8000"));

    public static void main(final String[] args) {
        Undertow server;
        ModClusterContainer container = new ModClusterContainer();
        try {
            if (chost == null) {
                // We are going to guess it.
                chost = java.net.InetAddress.getLocalHost().getHostName();
                System.out.println("Using: " + chost + ":" + cport);
            }
            container.start();
            ProxyHandler proxy = new ProxyHandler(container.getProxyClient(), 30000, ResponseCodeHandler.HANDLE_404);
            MCMPHandler.MCMPHandlerBuilder mcmpBuilder = MCMPHandler.builder();
            mcmpBuilder.setManagementHost(chost);
            mcmpBuilder.setManagementPort(cport);
            MCMPHandler mcmp = mcmpBuilder.build(container, proxy);
            mcmp.start();
            server = Undertow.builder()
                    .addHttpListener(cport, chost)
                    .addHttpListener(pport, phost)
                    .setHandler(mcmp)
                    .build();
            server.start();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
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@UndertowExample("Reverse Proxy")
public class ReverseProxyServer {

    public static void main(final String[] args) {
        try {
            final Undertow server1 = Undertow.builder()
                    .addHttpListener(8081, "localhost")
                    .setHandler(new HttpHandler() {
                        @Override
                        public void handleRequest(HttpServerExchange exchange) throws Exception {
                            exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain");
                            exchange.getResponseSender().send("Server1");
                        }
                    })
                    .build();

            server1.start();

            final Undertow server2 = Undertow.builder()
                    .addHttpListener(8082, "localhost")
                    .setHandler(new HttpHandler() {
                        @Override
                        public void handleRequest(HttpServerExchange exchange) throws Exception {
                            exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain");
                            exchange.getResponseSender().send("Server2");
                        }
                    })
                    .build();
            server2.start();

            final Undertow server3 = Undertow.builder()
                    .addHttpListener(8083, "localhost")
                    .setHandler(new HttpHandler() {
                        @Override
                        public void handleRequest(HttpServerExchange exchange) throws Exception {
                            exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain");
                            exchange.getResponseSender().send("Server3");
                        }
                    })
                    .build();

            server3.start();

            LoadBalancingProxyClient loadBalancer = new LoadBalancingProxyClient()
                    .addHost(new URI("http://localhost:8081"))
                    .addHost(new URI("http://localhost:8082"))
                    .addHost(new URI("http://localhost:8083"))
                    .setConnectionsPerThread(20);

            Undertow reverseProxy = Undertow.builder()
                    .addHttpListener(8080, "localhost")
                    .setIoThreads(4)
                    .setHandler(new ProxyHandler(loadBalancer, 30000, ResponseCodeHandler.HANDLE_404))
                    .build();
            reverseProxy.start();

        } catch (URISyntaxException e) {
            throw new RuntimeException(e);
        }
    }
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Related Classes of io.undertow.Undertow

  • com.gatehill.apibms.core.service.ServerServiceImpl
  • io.undertow.ajp.AjpOpenListener
  • io.undertow.examples.chat.ChatServer
  • io.undertow.examples.fileserving.FileServer
  • io.undertow.examples.helloworld.HelloWorldServer
  • io.undertow.examples.http2.Http2Server
  • io.undertow.examples.jsrwebsockets.JSRWebSocketServer
  • io.undertow.examples.reverseproxy.ModClusterProxyServer
  • io.undertow.examples.reverseproxy.ReverseProxyServer
  • io.undertow.examples.security.basic.BasicAuthServer
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