Examples with Handlers io.undertow.Handlers used on opensource projects

Example 1 with Handlers

use of io.undertow.Handlers in project light-4j by networknt.

the class Server method start.

public static void start() {
    // add shutdown hook here.
    addDaemonShutdownHook();
    // add startup hooks here.
    StartupHookProvider[] startupHookProviders = SingletonServiceFactory.getBeans(StartupHookProvider.class);
    if (startupHookProviders != null)
        Arrays.stream(startupHookProviders).forEach(s -> s.onStartup());
    HttpHandler handler = null;
    // API routing handler or others handler implemented by application developer.
    HandlerProvider handlerProvider = SingletonServiceFactory.getBean(HandlerProvider.class);
    if (handlerProvider != null) {
        handler = handlerProvider.getHandler();
    }
    if (handler == null) {
        logger.error("Unable to start the server - no route handler provider available in service.yml");
        throw new RuntimeException("Unable to start the server - no route handler provider available in service.yml");
    }
    // Middleware Handlers plugged into the handler chain.
    MiddlewareHandler[] middlewareHandlers = SingletonServiceFactory.getBeans(MiddlewareHandler.class);
    if (middlewareHandlers != null) {
        for (int i = middlewareHandlers.length - 1; i >= 0; i--) {
            logger.info("Plugin: " + middlewareHandlers[i].getClass().getName());
            if (middlewareHandlers[i].isEnabled()) {
                handler = middlewareHandlers[i].setNext(handler);
                middlewareHandlers[i].register();
            }
        }
    }
    if (config.dynamicPort) {
        for (int i = config.minPort; i < config.maxPort; i++) {
            boolean b = bind(handler, i);
            if (b) {
                break;
            }
        }
    } else {
        bind(handler, -1);
    }
}