gourmetj-springboot/src/main/java/com/mousetech/gourmetj/SpringPrimeFacesApplication.java

package com.mousetech.gourmetj;

import javax.faces.application.ViewExpiredException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;

import org.primefaces.application.resource.PrimeResourceHandler;
import org.primefaces.renderkit.HeadRenderer;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.boot.web.server.ErrorPage;
import org.springframework.boot.web.server.ErrorPageRegistrar;
import org.springframework.boot.web.server.ErrorPageRegistry;
import org.springframework.boot.web.servlet.ServletContextInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpStatus;

@SpringBootApplication
@EntityScan(value = {
		"com.mousetech.gourmetj.persistence.model" })
public class SpringPrimeFacesApplication {

	private static final String IMAGE_IIO_PROVIDER_CONTEXT_LISTENER =
			"com.twelvemonkeys.servlet.image.IIOProviderContextListener";
	final String errorPage = "/error/error.html";
	final String error404Page = "/error/error404.html";
	final String expiredPage = "/error/viewExpired.xhtml";

	public static void main(String[] args) {
		SpringApplication.run(SpringPrimeFacesApplication.class,
			args);
	}

	@Bean
	public ServletContextInitializer initializer() {
		return new ServletContextInitializer() {
			@Override
			public void onStartup(ServletContext servletContext)
					throws ServletException {
				/* Note that we cannot set theme here since it was
				 * already set earlier. Default value is "aristo".
				 */
//				servletContext.setInitParameter(
//					"primefaces.THEME", "bluesky");
				servletContext.setInitParameter(
					"javax.faces.FACELETS_SKIP_COMMENTS",
					"true");
				servletContext.setInitParameter(
					"com.sun.faces.expressionFactory",
					"com.sun.el.ExpressionFactoryImpl");
				servletContext.setInitParameter(
					"primefaces.UPLOADER", "native");
				
				servletContext.addListener(IMAGE_IIO_PROVIDER_CONTEXT_LISTENER);
			}
		};
	}

	@Bean
	public ErrorPageRegistrar errorPageRegistrar() {
		return new ErrorPageRegistrar() {
			@Override
			public void registerErrorPages(
					ErrorPageRegistry registry) {
				registry.addErrorPages(new ErrorPage(
						HttpStatus.NOT_FOUND, error404Page));
				registry.addErrorPages(new ErrorPage(
					ViewExpiredException.class,
					expiredPage));
				registry.addErrorPages(new ErrorPage(
						HttpStatus.INTERNAL_SERVER_ERROR,
						errorPage));
			}

		};
	}
}