<QUERY ID="ObtieneCorreoDniBD">
	<SQL>
		SELECT email
	      FROM umdp.usuarios_intercambio    
	     WHERE dni = ?   
	     UNION
	    SELECT email
	      FROM intercambio.usuarios_extra    
	     WHERE dni = ?  
	</SQL>
</QUERY>

	private final String SSOAuthenticationMethods[] = {
			"SSO_CORREO( \"LdapAuthenticationHandler\", \"\", \"label.authentication.type.correoum\" )",
			"SSO_CLAVE( \"DelegatedClientAuthenticationHandler\", \"Cl@ve\", \"label.authentication.type.clave\" )",
			"SSO_CERT( \"DelegatedClientAuthenticationHandler\", \"Cert\", \"label.authentication.type.cert\" )",
			"SSO_CMN( \"DelegatedClientAuthenticationHandler\", \"CMN\", \"label.authentication.type.cmn\" )"
	};

	private static final String CLIENT_NAME_KEY = "clientName";
	private static final String AUTHENTICATION_METHOD_NAME_KEY = "authenticationMethod";
	private static final String CLAVE_CLIENT_NAME = "Cl@ve";
	private static final String CERT_CLIENT_NAME = "Cert";
	private static final String FIRST_NAME_KEY = "FirstName";
	private static final String FAMILY_NAME_KEY = "FamilyName";


	public void setupCasUser( javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res,
			javax.servlet.http.HttpSession session ) {
		setCasUser( req.getRemoteUser() );
		setReq( req );
	}

	public void setCasUser( String dniOrCorreo ) {
		if ( ( dniOrCorreo != null ) && ( !dniOrCorreo.equals( "" ) ) ) {
			if ( isValidEmailAddress( dniOrCorreo ) ) {
				correo = dniOrCorreo;
			} else {
				dni = dniOrCorreo;
			}
		}
	}

	public boolean isValidEmailAddress( String email ) {
		final String ePattern = "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\])|(([a-zA-Z\\-0-9]+\\.)+[a-zA-Z]{2,}))$";
		final java.util.regex.Pattern p = java.util.regex.Pattern.compile( ePattern );
		final java.util.regex.Matcher m = p.matcher( email );
		return m.matches();
	}