Examples with HttpHandler io.undertow.server.HttpHandler used on opensource projects

Example 46 with HttpHandler

use of io.undertow.server.HttpHandler in project undertow by undertow-io.

the class DeploymentManagerImpl method deploy.

@Override
public void deploy() {
    final DeploymentInfo deploymentInfo = originalDeployment.clone();
    if (deploymentInfo.getServletStackTraces() == ServletStackTraces.ALL) {
        UndertowServletLogger.REQUEST_LOGGER.servletStackTracesAll(deploymentInfo.getDeploymentName());
    }
    deploymentInfo.validate();
    final DeploymentImpl deployment = new DeploymentImpl(this, deploymentInfo, servletContainer);
    this.deployment = deployment;
    final ServletContextImpl servletContext = new ServletContextImpl(servletContainer, deployment);
    deployment.setServletContext(servletContext);
    handleExtensions(deploymentInfo, servletContext);
    final List<ThreadSetupHandler> setup = new ArrayList<>();
    setup.add(ServletRequestContextThreadSetupAction.INSTANCE);
    setup.add(new ContextClassLoaderSetupAction(deploymentInfo.getClassLoader()));
    setup.addAll(deploymentInfo.getThreadSetupActions());
    deployment.setThreadSetupActions(setup);
    deployment.getServletPaths().setWelcomePages(deploymentInfo.getWelcomePages());
    if (deploymentInfo.getDefaultEncoding() != null) {
        deployment.setDefaultCharset(Charset.forName(deploymentInfo.getDefaultEncoding()));
    }
    handleDeploymentSessionConfig(deploymentInfo, servletContext);
    deployment.setSessionManager(deploymentInfo.getSessionManagerFactory().createSessionManager(deployment));
    deployment.getSessionManager().setDefaultSessionTimeout(deploymentInfo.getDefaultSessionTimeout());
    try {
        deployment.createThreadSetupAction(new ThreadSetupHandler.Action<Void, Object>() {

            @Override
            public Void call(HttpServerExchange exchange, Object ignore) throws Exception {
                final ApplicationListeners listeners = createListeners();
                listeners.start();
                deployment.setApplicationListeners(listeners);
                //now create the servlets and filters that we know about. We can still get more later
                createServletsAndFilters(deployment, deploymentInfo);
                //first initialize the temp dir
                initializeTempDir(servletContext, deploymentInfo);
                //then run the SCI's
                for (final ServletContainerInitializerInfo sci : deploymentInfo.getServletContainerInitializers()) {
                    final InstanceHandle<? extends ServletContainerInitializer> instance = sci.getInstanceFactory().createInstance();
                    try {
                        instance.getInstance().onStartup(sci.getHandlesTypes(), servletContext);
                    } finally {
                        instance.release();
                    }
                }
                deployment.getSessionManager().registerSessionListener(new SessionListenerBridge(deployment, listeners, servletContext));
                for (SessionListener listener : deploymentInfo.getSessionListeners()) {
                    deployment.getSessionManager().registerSessionListener(listener);
                }
                initializeErrorPages(deployment, deploymentInfo);
                initializeMimeMappings(deployment, deploymentInfo);
                listeners.contextInitialized();
                //run
                HttpHandler wrappedHandlers = ServletDispatchingHandler.INSTANCE;
                wrappedHandlers = wrapHandlers(wrappedHandlers, deploymentInfo.getInnerHandlerChainWrappers());
                if (!deploymentInfo.isSecurityDisabled()) {
                    HttpHandler securityHandler = setupSecurityHandlers(wrappedHandlers);
                    wrappedHandlers = new PredicateHandler(DispatcherTypePredicate.REQUEST, securityHandler, wrappedHandlers);
                }
                HttpHandler outerHandlers = wrapHandlers(wrappedHandlers, deploymentInfo.getOuterHandlerChainWrappers());
                wrappedHandlers = new PredicateHandler(DispatcherTypePredicate.REQUEST, outerHandlers, wrappedHandlers);
                wrappedHandlers = handleDevelopmentModePersistentSessions(wrappedHandlers, deploymentInfo, deployment.getSessionManager(), servletContext);
                MetricsCollector metrics = deploymentInfo.getMetricsCollector();
                if (metrics != null) {
                    wrappedHandlers = new MetricsChainHandler(wrappedHandlers, metrics, deployment);
                }
                if (deploymentInfo.getCrawlerSessionManagerConfig() != null) {
                    wrappedHandlers = new CrawlerSessionManagerHandler(deploymentInfo.getCrawlerSessionManagerConfig(), wrappedHandlers);
                }
                final ServletInitialHandler servletInitialHandler = SecurityActions.createServletInitialHandler(deployment.getServletPaths(), wrappedHandlers, deployment, servletContext);
                HttpHandler initialHandler = wrapHandlers(servletInitialHandler, deployment.getDeploymentInfo().getInitialHandlerChainWrappers());
                initialHandler = new HttpContinueReadHandler(initialHandler);
                if (deploymentInfo.getUrlEncoding() != null) {
                    initialHandler = Handlers.urlDecodingHandler(deploymentInfo.getUrlEncoding(), initialHandler);
                }
                deployment.setInitialHandler(initialHandler);
                deployment.setServletHandler(servletInitialHandler);
                //make sure we have a fresh set of servlet paths
                deployment.getServletPaths().invalidate();
                servletContext.initDone();
                return null;
            }
        }).call(null, null);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    //any problems with the paths won't get detected until the data is initialize
    //so we force initialization here
    deployment.getServletPaths().initData();
    state = State.DEPLOYED;
}

Example 47 with HttpHandler

use of io.undertow.server.HttpHandler in project undertow by undertow-io.

the class ServletPathMatches method servletChain.

private static ServletChain servletChain(HttpHandler next, final ManagedServlet managedServlet, final String servletPath, final DeploymentInfo deploymentInfo, boolean defaultServlet, MappingMatch mappingMatch, String pattern) {
    HttpHandler servletHandler = new ServletSecurityRoleHandler(next, deploymentInfo.getAuthorizationManager());
    servletHandler = wrapHandlers(servletHandler, managedServlet.getServletInfo().getHandlerChainWrappers());
    return new ServletChain(servletHandler, managedServlet, servletPath, defaultServlet, mappingMatch, pattern);
}

Example 48 with HttpHandler

use of io.undertow.server.HttpHandler in project undertow by undertow-io.

the class ModClusterProxyServer method main.

public static void main(final String[] args) throws IOException {
    final XnioWorker worker = Xnio.getInstance().createWorker(OptionMap.EMPTY);
    final Undertow server;
    final ModCluster modCluster = ModCluster.builder(worker).build();
    try {
        if (chost == null) {
            // We are going to guess it.
            chost = java.net.InetAddress.getLocalHost().getHostName();
            System.out.println("Using: " + chost + ":" + cport);
        }
        modCluster.start();
        // Create the proxy and mgmt handler
        final HttpHandler proxy = modCluster.createProxyHandler();
        final MCMPConfig config = MCMPConfig.webBuilder().setManagementHost(chost).setManagementPort(cport).enableAdvertise().getParent().build();
        final HttpHandler mcmp = config.create(modCluster, proxy);
        server = Undertow.builder().addHttpListener(cport, chost).addHttpListener(pport, phost).setHandler(mcmp).build();
        server.start();
        // Start advertising the mcmp handler
        modCluster.advertise(config);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 49 with HttpHandler

use of io.undertow.server.HttpHandler in project undertow by undertow-io.

the class ReverseProxyServer method main.

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);
    }
}

Example 50 with HttpHandler

use of io.undertow.server.HttpHandler in project undertow by undertow-io.

the class HelloWorldServer method main.

public static void main(final String[] args) {
    Undertow server = Undertow.builder().addHttpListener(8080, "localhost").setHandler(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();
}