web/src/main/java/org/springframework/security/web/csrf/HttpSessionCsrfTokenRepository.java
public CsrfToken loadToken(HttpServletRequest request) {
		HttpSession session = request.getSession(false);
		if (session == null) {
			return null;
		}
		return (CsrfToken) session.getAttribute(this.sessionAttributeName);
	}
public CsrfToken loadToken(HttpServletRequest request) {
		HttpSession session = request.getSession(false);
		if (session == null) {
			return null;
		}
		return (CsrfToken) session.getAttribute(this.sessionAttributeName);
	}
public CsrfToken loadToken ( HttpServletRequest request ) { HttpSession session = request . getSession ( false ) ; if ( session == null ) { return null ; } return ( CsrfToken ) session . getAttribute ( this . sessionAttributeName ) ; }
/*
(non-Javadoc)

@see
org.springframework.security.web.csrf.CsrfTokenRepository#loadToken(javax.servlet
.http.HttpServletRequest)
/ * ( non - Javadoc )