Examples of org.acegisecurity.providers.ProviderManager

org.acegisecurity.providers.ProviderManager
Iterates an {@link Authentication} request through a list of {@link AuthenticationProvider}s. Can optionally be configured with a {@link ConcurrentSessionController} to limit the number of sessions a user canhave.
AuthenticationProviders are tried in order until one provides a non-null response. A non-null response indicates the provider had authority to decide on the authentication request and no further providers are tried. If an AuthenticationException is thrown by a provider, it is retained until subsequent providers are tried. If a subsequent provider successfully authenticates the request, the earlier authentication exception is disregarded and the successful authentication will be used. If no subsequent provider provides a non-null response, or a new AuthenticationException, the last AuthenticationException received will be used. If no provider returns a non-null response, or indicates it can even process an Authentication, the ProviderManager will throw a ProviderNotFoundException.

If a valid Authentication is returned by an AuthenticationProvider, the ProviderManager will publish an {@link org.acegisecurity.event.authentication.AuthenticationSuccessEvent}. If an AuthenticationException is detected, the final AuthenticationException thrown will be used to publish an appropriate failure event. By default ProviderManager maps common exceptions to events, but this can be fine-tuned by providing a new exceptionMappingsjava.util.Properties object. In the properties object, each of the keys represent the fully qualified classname of the exception, and each of the values represent the name of an event class which subclasses {@link org.acegisecurity.event.authentication.AbstractAuthenticationFailureEvent} and provides its constructor.
@see ConcurrentSessionController

        return super.getAuthenticationFailureUrl();
    }


    @Override
    public AuthenticationManager getAuthenticationManager() {
        ProviderManager manager = (ProviderManager) super.getAuthenticationManager();
        List providers = manager.getProviders();
        return manager;
    }

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        ApplicationContext ctx =
            WebApplicationContextUtils.getRequiredWebApplicationContext(context);


        boolean encryptPassword = false;
        try {
            ProviderManager provider = (ProviderManager) ctx.getBean("authenticationManager");
            for (Iterator it = provider.getProviders().iterator(); it.hasNext();) {
                AuthenticationProvider p = (AuthenticationProvider) it.next();
                if (p instanceof RememberMeAuthenticationProvider) {
                    config.put("rememberMeEnabled", Boolean.TRUE);
                }
            }

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        mLogger.info("Remember Me enabled: " + rememberMeEnabled);
        
        context.setAttribute("rememberMeEnabled", rememberMe);
        
        if (rememberMeEnabled) {
            ProviderManager provider = (ProviderManager) ctx.getBean("authenticationManager");
            provider.getProviders().add(ctx.getBean("rememberMeAuthenticationProvider"));
        }
        
        String encryptPasswords = RollerConfig.getProperty("passwds.encryption.enabled");
        boolean doEncrypt = Boolean.valueOf(encryptPasswords).booleanValue();
        
        if (doEncrypt) {
            DaoAuthenticationProvider provider =
                    (DaoAuthenticationProvider) ctx.getBean("daoAuthenticationProvider");
            String algorithm = RollerConfig.getProperty("passwds.encryption.algorithm");
            PasswordEncoder encoder = null;
            if (algorithm.equalsIgnoreCase("SHA")) {
                encoder = new ShaPasswordEncoder();
            } else if (algorithm.equalsIgnoreCase("MD5")) {
                encoder = new Md5PasswordEncoder();
            } else {
                mLogger.error("Encryption algorithm '" + algorithm +
                        "' not supported, disabling encryption.");
            }
            if (encoder != null) {
                provider.setPasswordEncoder(encoder);
                mLogger.info("Password Encryption Algorithm set to '" + algorithm + "'");
            }
        }
        
        if (RollerConfig.getBooleanProperty("securelogin.enabled")) {

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