@Override public HandlerResult authenticate(final Credential credential) throws GeneralSecurityException, PreventedException { try { if (this.legacyHandler.authenticate(credentialsAdapter.convert(credential))) { final CredentialMetaData md; if (credential instanceof CredentialMetaData) { md = (CredentialMetaData) credential; } else { md = new BasicCredentialMetaData(credential); } return new DefaultHandlerResult(this, md); } else { throw new FailedLoginException( String.format("%s failed to authenticate %s", this.getName(), credential)); } } catch (final org.jasig.cas.authentication.handler.AuthenticationException e) { throw new GeneralSecurityException( String.format("%s failed to authenticate %s", this.getName(), credential), e); } }