使用spring boot如何实现对CAS进行整合

import org.jasig.cas.client.authentication.AuthenticationFilter; import org.jasig.cas.client.session.SingleSignOutFilter; import org.jasig.cas.client.session.SingleSignOutHttpSessionListener; import org.jasig.cas.client.util.AssertionThreadLocalFilter; import org.jasig.cas.client.util.HttpServletRequestWrapperFilter; import org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter; import org.jasig.cas.client.validation.Cas20ServiceTicketValidator; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.boot.web.servlet.ServletListenerRegistrationBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.security.cas.ServiceProperties; import org.springframework.security.cas.authentication.CasAuthenticationProvider; import org.springframework.security.cas.userdetails.GrantedAuthorityFromAssertionAttributesUserDetailsService; import org.springframework.security.web.authentication.logout.LogoutFilter; import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;  import java.util.List;   @Configuration public class CasConfig {      @Autowired   SpringCasAutoconfig autoconfig;      private static boolean casEnabled = true;      public CasConfig() {   }    @Bean   public SpringCasAutoconfig getSpringCasAutoconfig(){     return new SpringCasAutoconfig();   }       @Bean   public ServletListenerRegistrationBean<SingleSignOutHttpSessionListener> singleSignOutHttpSessionListener() {     ServletListenerRegistrationBean<SingleSignOutHttpSessionListener> listener = new ServletListenerRegistrationBean<>();     listener.setEnabled(casEnabled);     listener.setListener(new SingleSignOutHttpSessionListener());     listener.setOrder(1);     return listener;   }       @Bean   public FilterRegistrationBean logOutFilter() {     FilterRegistrationBean filterRegistration = new FilterRegistrationBean();     LogoutFilter logoutFilter = new LogoutFilter(autoconfig.getCasServerUrlPrefix() + "/logout&#63;service=" + autoconfig.getServerName(),new SecurityContextLogoutHandler());     filterRegistration.setFilter(logoutFilter);     filterRegistration.setEnabled(casEnabled);     if(autoconfig.getSignOutFilters().size()>0)       filterRegistration.setUrlPatterns(autoconfig.getSignOutFilters());     else       filterRegistration.addUrlPatterns("/logout");     filterRegistration.addInitParameter("casServerUrlPrefix", autoconfig.getCasServerUrlPrefix());     filterRegistration.addInitParameter("serverName", autoconfig.getServerName());     filterRegistration.setOrder(2);     return filterRegistration;   }       @Bean   public FilterRegistrationBean singleSignOutFilter() {     FilterRegistrationBean filterRegistration = new FilterRegistrationBean();     filterRegistration.setFilter(new SingleSignOutFilter());     filterRegistration.setEnabled(casEnabled);     if(autoconfig.getSignOutFilters().size()>0)       filterRegistration.setUrlPatterns(autoconfig.getSignOutFilters());     else       filterRegistration.addUrlPatterns("   @Bean   public FilterRegistrationBean authenticationFilter() {     FilterRegistrationBean filterRegistration = new FilterRegistrationBean();     filterRegistration.setFilter(new AuthenticationFilter());     filterRegistration.setEnabled(casEnabled);     if(autoconfig.getAuthFilters().size()>0)       filterRegistration.setUrlPatterns(autoconfig.getAuthFilters());     else       filterRegistration.addUrlPatterns("   @Bean   public FilterRegistrationBean cas20ProxyReceivingTicketValidationFilter() {     FilterRegistrationBean filterRegistration = new FilterRegistrationBean();     Cas20ProxyReceivingTicketValidationFilter cas20ProxyReceivingTicketValidationFilter = new Cas20ProxyReceivingTicketValidationFilter();     //cas20ProxyReceivingTicketValidationFilter.setTicketValidator(cas20ServiceTicketValidator());     cas20ProxyReceivingTicketValidationFilter.setServerName(autoconfig.getServerName());     filterRegistration.setFilter(cas20ProxyReceivingTicketValidationFilter);     filterRegistration.setEnabled(casEnabled);     if(autoconfig.getValidateFilters().size()>0)       filterRegistration.setUrlPatterns(autoconfig.getValidateFilters());     else       filterRegistration.addUrlPatterns("   @Bean   public FilterRegistrationBean httpServletRequestWrapperFilter() {     FilterRegistrationBean filterRegistration = new FilterRegistrationBean();     filterRegistration.setFilter(new HttpServletRequestWrapperFilter());     filterRegistration.setEnabled(true);     if(autoconfig.getRequestWrapperFilters().size()>0)       filterRegistration.setUrlPatterns(autoconfig.getRequestWrapperFilters());     else       filterRegistration.addUrlPatterns("   @Bean   public FilterRegistrationBean assertionThreadLocalFilter() {     FilterRegistrationBean filterRegistration = new FilterRegistrationBean();     filterRegistration.setFilter(new AssertionThreadLocalFilter());     filterRegistration.setEnabled(true);     if(autoconfig.getAssertionFilters().size()>0)       filterRegistration.setUrlPatterns(autoconfig.getAssertionFilters());     else       filterRegistration.addUrlPatterns("/*");     filterRegistration.setOrder(7);     return filterRegistration;   } }