com.mjeanroy.backbone_isomorphic.configuration.WebConfiguration.java Source code

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Here is the source code for com.mjeanroy.backbone_isomorphic.configuration.WebConfiguration.java

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/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 <mickael.jeanroy@gmail.com>
 *
 * 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.mjeanroy.backbone_isomorphic.configuration;

import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;

public class WebConfiguration implements WebApplicationInitializer {

    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        initSpring(servletContext);
    }

    private void initSpring(ServletContext servletContext) {
        AnnotationConfigWebApplicationContext context = initContext(servletContext);
        initSpringMvc(servletContext, context);
    }

    private AnnotationConfigWebApplicationContext initContext(ServletContext servletContext) {
        AnnotationConfigWebApplicationContext context = getContext();
        servletContext.addListener(new ContextLoaderListener(context));
        return context;
    }

    private AnnotationConfigWebApplicationContext getContext() {
        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
        context.setConfigLocation(configLocation());
        return context;
    }

    private void initSpringMvc(ServletContext servletContext, AnnotationConfigWebApplicationContext context) {
        DispatcherServlet dispatcherServlet = new DispatcherServlet(context);
        dispatcherServlet.setContextConfigLocation(configLocation());
        dispatcherServlet.setContextClass(AnnotationConfigWebApplicationContext.class);

        ServletRegistration.Dynamic dispatcher = servletContext.addServlet("spring", dispatcherServlet);
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping("/api/*");
        dispatcher.addMapping("/");
    }

    private String configLocation() {
        return AppConfiguration.class.getPackage().getName();
    }
}