org.statefulj.demo.ddd.config.MVCInitializer.java Source code

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Here is the source code for org.statefulj.demo.ddd.config.MVCInitializer.java

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/***
 * 
 * Copyright 2014 Andrew Hall
 *
 * 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 org.statefulj.demo.ddd.config;

import javax.servlet.Filter;
import javax.servlet.ServletContext;
import javax.servlet.ServletRegistration;

import org.springframework.util.ObjectUtils;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

public class MVCInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {

    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class[] { MVCConfig.class };
    }

    @Override
    protected Class<?>[] getServletConfigClasses() {
        return null;
    }

    @Override
    protected String[] getServletMappings() {
        return new String[] { "/" };
    }

    @Override
    protected void registerDispatcherServlet(ServletContext servletContext) {
        String servletName = getServletName();

        WebApplicationContext servletAppContext = createServletApplicationContext();

        DispatcherServlet dispatcherServlet = new DispatcherServlet(servletAppContext);

        // throw NoHandlerFoundException to Controller when a User requests a non-existent page
        //
        dispatcherServlet.setThrowExceptionIfNoHandlerFound(true);

        ServletRegistration.Dynamic registration = servletContext.addServlet(servletName, dispatcherServlet);

        registration.setLoadOnStartup(1);
        registration.addMapping(getServletMappings());
        registration.setAsyncSupported(isAsyncSupported());

        Filter[] filters = getServletFilters();
        if (!ObjectUtils.isEmpty(filters)) {
            for (Filter filter : filters) {
                registerServletFilter(servletContext, filter);
            }
        }

        customizeRegistration(registration);
    }
}