eu.agilejava.spring4.config.ApplicationInitializer.java Source code

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Here is the source code for eu.agilejava.spring4.config.ApplicationInitializer.java

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/**
 * The MIT License
 *
 * Copyright 2014 Ivar Grimstad <ivar.grimstad@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 eu.agilejava.spring4.config;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;
import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;

/**
 * Spring configuration.
 * Equivalent to web.xml by using Java Config.
 * 
 * @author Ivar Grimstad <ivar.grimstad@gmail.com>
 */
public class ApplicationInitializer implements WebApplicationInitializer {

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

        WebApplicationContext context = createWebAppContext();
        servletContext.addListener(new ContextLoaderListener(context));

        ServletRegistration.Dynamic registration = servletContext.addServlet("dispatcher",
                new DispatcherServlet(context));
        registration.setLoadOnStartup(1);
        registration.addMapping("/api/*");

    }

    private WebApplicationContext createWebAppContext() {
        AnnotationConfigWebApplicationContext appContext = new AnnotationConfigWebApplicationContext();
        appContext.register(ApplicationConfig.class);
        return appContext;
    }
}