de.metas.procurement.webui.Application.java Source code

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Here is the source code for de.metas.procurement.webui.Application.java

Source

package de.metas.procurement.webui;

import org.apache.catalina.connector.Connector;
import org.apache.coyote.http11.AbstractHttp11Protocol;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
import org.springframework.boot.context.embedded.tomcat.TomcatConnectorCustomizer;
import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
import org.springframework.core.task.TaskExecutor;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.http.MediaType;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.vaadin.spring.i18n.MessageProvider;
import org.vaadin.spring.i18n.ResourceBundleMessageProvider;

import com.vaadin.server.VaadinServlet;
import com.vaadin.spring.boot.internal.VaadinServletConfiguration;

/*
 * #%L
 * de.metas.procurement.webui
 * %%
 * Copyright (C) 2016 metas GmbH
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-2.0.html>.
 * #L%
 */

@SpringBootApplication
@EnableConfigurationProperties
@EnableJpaRepositories
// Make config here (vaadinServlet) override stuff in VaadinServletConfiguration
@Import(VaadinServletConfiguration.class)
public class Application {
    public static final void main(final String[] args) {
        SpringApplication.run(Application.class, args);
    }

    @Autowired
    private ApplicationContext context;

    private static Application instance;

    public Application() {
        super();

        instance = this;
    }

    public static final ApplicationContext getContext() {
        return instance.context;
    }

    public static final void autowire(final Object bean) {
        getContext().getAutowireCapableBeanFactory().autowireBean(bean);
    }

    @Bean
    public VaadinServlet vaadinServlet() {
        return new SpringAwareTouchKitServlet();
    }

    /**
     * Configure embedded tomcat so that is use gzip for various resources.
     */
    @Bean
    public EmbeddedServletContainerCustomizer servletContainerCustomizer() {
        return new EmbeddedServletContainerCustomizer() {
            @Override
            public void customize(final ConfigurableEmbeddedServletContainer servletContainer) {
                final TomcatEmbeddedServletContainerFactory tomcatContainerFactory = (TomcatEmbeddedServletContainerFactory) servletContainer;
                tomcatContainerFactory.addConnectorCustomizers(new TomcatConnectorCustomizer() {
                    @Override
                    public void customize(final Connector connector) {
                        final AbstractHttp11Protocol<?> httpProtocol = (AbstractHttp11Protocol<?>) connector
                                .getProtocolHandler();
                        httpProtocol.setCompression("on");
                        httpProtocol.setCompressionMinSize(256);
                        final StringBuffer mimeTypes = new StringBuffer(httpProtocol.getCompressableMimeType());
                        if (!mimeTypes.toString().contains("MediaType.APPLICATION_JSON_VALUE")) {
                            mimeTypes.append("," + MediaType.APPLICATION_JSON_VALUE);
                        }
                        if (!mimeTypes.toString().contains("application/javascript")) {
                            mimeTypes.append(",application/javascript");
                        }
                        httpProtocol.setCompressableMimeType(mimeTypes.toString());
                    }
                });
            }
        };
    }

    @Bean
    MessageProvider messageProvider() {
        return new ResourceBundleMessageProvider("messages");
    }

    /** @return default task executor used by {@link Async} calls */
    @Bean
    public TaskExecutor taskExecutor() {
        final ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(1);
        executor.setMaxPoolSize(10);
        executor.setQueueCapacity(100);
        return executor;
    }
}