Spring Social ApplicationInitializer.java

ApplicationInitializer.java

package org.krams.config;

import javax.servlet.FilterRegistration;
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.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.filter.DelegatingFilterProxy;
import org.springframework.web.filter.HiddenHttpMethodFilter;
import org.springframework.web.servlet.DispatcherServlet;

public class ApplicationInitializer implements WebApplicationInitializer {

	@Override
	public void onStartup(ServletContext servletContext) throws ServletException {
		// Load application context
		AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
		rootContext.register(ApplicationContext.class);
		rootContext.setDisplayName("Spring Social Tutorial");
		
		// Add context loader listener 
		servletContext.addListener(new ContextLoaderListener(rootContext));
		
		// Declare dispatcher servlet
		ServletRegistration.Dynamic dispatcher = 
				servletContext.addServlet("dispatcher", new DispatcherServlet(rootContext));
		dispatcher.setLoadOnStartup(1); 
		dispatcher.addMapping("/");
		
		// Register Spring security filter
		FilterRegistration.Dynamic springSecurityFilterChain = 
				servletContext.addFilter("springSecurityFilterChain", DelegatingFilterProxy.class);
		springSecurityFilterChain.addMappingForUrlPatterns(null, false, "/*");
		
		// Register Spring Social filter so that we can disconnect from providers
		FilterRegistration.Dynamic hiddenHttpMethodFilter = 
				servletContext.addFilter("hiddenHttpMethodFilter", HiddenHttpMethodFilter.class);
		hiddenHttpMethodFilter.addMappingForUrlPatterns(null, false, "/*");
	}

}