com.github.mcollovati.vertx.vaadin.communication.VertxJavaScriptBootstrapHandler Maven / Gradle / Ivy

Go to download
/*
 * The MIT License
 * Copyright © 2016-2020 Marco Collovati ([email protected])
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.github.mcollovati.vertx.vaadin.communication;

import java.util.Optional;
import java.util.function.Function;

import com.vaadin.flow.component.UI;
import com.vaadin.flow.server.VaadinRequest;
import com.vaadin.flow.server.VaadinResponse;
import com.vaadin.flow.server.communication.JavaScriptBootstrapHandler;
import elemental.json.JsonObject;

import com.github.mcollovati.vertx.vaadin.VertxVaadinRequest;

public class VertxJavaScriptBootstrapHandler extends JavaScriptBootstrapHandler {

    @Override
    protected String getRequestUrl(VaadinRequest request) {
        return ((VertxVaadinRequest) request).getRoutingContext().request().absoluteURI();
    }

    @Override
    protected BootstrapContext createBootstrapContext(
            VaadinRequest request, VaadinResponse response, UI ui, Function callback) {
        return new JavaScriptBootstrapContext(request, response, ui, callback) {
            @Override
            public JsonObject getApplicationParameters() {
                JsonObject parameters = super.getApplicationParameters();
                if (parameters.hasKey("liveReloadUrl")) {
                    Optional.ofNullable(parameters.getString("liveReloadUrl"))
                            .filter(url -> !url.endsWith("/websocket"))
                            .map(url -> url.replaceFirst("/$", "") + "/websocket")
                            .ifPresent(url -> parameters.put("liveReloadUrl", url));
                }
                return parameters;
            }
        };
    }
}