import org.springframework.security.authentication.AuthenticationEventPublisher; //导入依赖的package包/类
@Autowired
OAuth2ExtraValidationFilter(
    OAuth2IssuerService oAuth2IssuerService,
    TokenStore tokenStore,
    AuditOAuth2AuthenticationExceptionHandler oAuth2AuthenticationExceptionHandler,
    MessageSourceAccessor messageSourceAccessor,
    AuthenticationEventPublisher eventPublisher
) {
  this.oAuth2IssuerService = oAuth2IssuerService;
  this.tokenStore = tokenStore;
  this.oAuth2AuthenticationExceptionHandler = oAuth2AuthenticationExceptionHandler;
  this.eventPublisher = eventPublisher;
  this.tokenExtractor = new BearerTokenExtractor();
  this.messageSourceAccessor = messageSourceAccessor;
}
 

import org.springframework.security.authentication.AuthenticationEventPublisher; //导入依赖的package包/类
public void setAuthenticationEventPublisher(AuthenticationEventPublisher eventPublisher) {
    Assert.notNull(eventPublisher, "AuthenticationEventPublisher cannot be null");
    this.eventPublisher = eventPublisher;
}
 

import org.springframework.security.authentication.AuthenticationEventPublisher; //导入依赖的package包/类
@Bean
@ConditionalOnMissingBean(AuthenticationEventPublisher.class)
public DefaultAuthenticationEventPublisher authenticationEventPublisher(
		ApplicationEventPublisher publisher) {
	return new DefaultAuthenticationEventPublisher(publisher);
}