Example usage for org.springframework.security.authentication.jaas JaasAuthenticationToken getPrincipal

Introduction

In this page you can find the example usage for org.springframework.security.authentication.jaas JaasAuthenticationToken getPrincipal.

Prototype

public Object getPrincipal() 

Source Link

Usage

From source file:org.springframework.security.authentication.jaas.AbstractJaasAuthenticationProvider.java

/**
 * Handles the logout by getting the security contexts for the destroyed session and
 * invoking {@code LoginContext.logout()} for any which contain a
 * {@code JaasAuthenticationToken}./*  w w  w  . j  av a  2  s  .  c  om*/
 *
 *
 * @param event the session event which contains the current session
 */
protected void handleLogout(SessionDestroyedEvent event) {
    List<SecurityContext> contexts = event.getSecurityContexts();

    if (contexts.isEmpty()) {
        this.log.debug("The destroyed session has no SecurityContexts");

        return;
    }

    for (SecurityContext context : contexts) {
        Authentication auth = context.getAuthentication();

        if ((auth != null) && (auth instanceof JaasAuthenticationToken)) {
            JaasAuthenticationToken token = (JaasAuthenticationToken) auth;

            try {
                LoginContext loginContext = token.getLoginContext();
                boolean debug = this.log.isDebugEnabled();
                if (loginContext != null) {
                    if (debug) {
                        this.log.debug("Logging principal: [" + token.getPrincipal() + "] out of LoginContext");
                    }
                    loginContext.logout();
                } else if (debug) {
                    this.log.debug("Cannot logout principal: [" + token.getPrincipal() + "] from LoginContext. "
                            + "The LoginContext is unavailable");
                }
            } catch (LoginException e) {
                this.log.warn("Error error logging out of LoginContext", e);
            }
        }
    }
}

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