io.knotx.server.KnotxServerVerticle.java Source code

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Here is the source code for io.knotx.server.KnotxServerVerticle.java

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/*
 * Copyright (C) 2016 Cognifide Limited
 *
 * 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.knotx.server;

import io.vertx.core.Context;
import io.vertx.core.Future;
import io.vertx.core.Vertx;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.logging.Logger;
import io.vertx.core.logging.LoggerFactory;
import io.vertx.rxjava.core.AbstractVerticle;
import io.vertx.rxjava.ext.web.Router;
import io.vertx.rxjava.ext.web.handler.BodyHandler;
import io.vertx.rxjava.ext.web.handler.ErrorHandler;
import java.io.IOException;
import java.net.URISyntaxException;

public class KnotxServerVerticle extends AbstractVerticle {

    private static final Logger LOGGER = LoggerFactory.getLogger(KnotxServerVerticle.class);

    private KnotxServerConfiguration configuration;

    @Override
    public void init(Vertx vertx, Context context) {
        super.init(vertx, context);
        configuration = new KnotxServerConfiguration(config());
    }

    @Override
    public void start(Future<Void> fut) throws IOException, URISyntaxException {
        LOGGER.info("Starting <{}>", this.getClass().getSimpleName());
        Router router = Router.router(vertx);

        router.route().handler(SupportedMethodsAndPathsHandler.create(configuration));
        configuration.getEngineRouting().entrySet().forEach(entry -> {
            if (entry.getKey() == HttpMethod.POST) {
                router.route().method(entry.getKey()).handler(BodyHandler.create());
            }
            entry.getValue().forEach(criteria -> {
                router.route().method(entry.getKey()).pathRegex(criteria.path())
                        .handler(KnotxRepositoryHandler.create(vertx, configuration));

                router.route().method(entry.getKey()).pathRegex(criteria.path())
                        .handler(KnotxSplitterHandler.create(vertx, configuration));

                router.route().method(entry.getKey()).pathRegex(criteria.path())
                        .handler(KnotxEngineHandler.create(vertx, criteria.address(), criteria.onTransition()));

                router.route().method(entry.getKey()).pathRegex(criteria.path())
                        .handler(KnotxAssemblerHandler.create(vertx, configuration));
            });
        });
        router.route().failureHandler(ErrorHandler.create(configuration.displayExceptionDetails()));

        vertx.createHttpServer().requestHandler(router::accept).rxListen(configuration.httpPort()).subscribe(ok -> {
            LOGGER.info("Knot.x HTTP Server started. Listening on port {}", configuration.httpPort());
            fut.complete();
        }, error -> {
            LOGGER.error("Unable to start Knot.x HTTP Server.", error.getCause());
            fut.fail(error.getCause());
        });

    }
}