/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Jrard Devarulrajah
 *
 * 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.jrrdev;

import org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.embedded.FilterRegistrationBean;
import org.springframework.boot.context.web.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;

/**
 * Entry point for the application.
 *
 * @author jrrdev
 *
 */
@SpringBootApplication
public class Application extends SpringBootServletInitializer {

	/**
	 * Entry point method.
	 *
	 * @param args
	 * 			Command line arguments
	 */
	public static void main(final String[] args) {
		SpringApplication.run(Application.class, args);
	}

	@Override
	protected SpringApplicationBuilder configure(final SpringApplicationBuilder application) {
		return application.sources(Application.class);
	}

	@Bean
	public FilterRegistrationBean filterRegistrationBean() {
		final FilterRegistrationBean registrationBean = new FilterRegistrationBean();
		final StrutsPrepareAndExecuteFilter struts = new StrutsPrepareAndExecuteFilter();
		registrationBean.setFilter(struts);
		registrationBean.setOrder(1);
		return registrationBean;
	}

}

/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Jrard Devarulrajah
 *
 * 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.jrrdev;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * Entry point for the application.
 *
 * @author jrrdev
 *
 */
@SpringBootApplication
public class Application {

	/**
	 * Entry point method.
	 *
	 * @param args
	 * 			Command line arguments
	 */
	public static void main(final String[] args) {
		SpringApplication.run(Application.class, args);
	}
}

Set bean configuration in separate class