Vendor-supplied (before)

gistfile1.java

protected String getUserIdFromPrincipal( Principal prin ) {
    try {

        if ( prin == null ) {
            return "";
        }
            
        String decodedPrin = URLDecoder.decode( prin.toString(), "UTF-8" );
            
        // Not in CN=xyz format?  Then just return full name up to first space, if any.
        if ( !StringUtils.contains( decodedPrin, "=" ) ) {
            return StringUtils.substringBefore( decodedPrin, " " );
        }
            
        String rhs = StringUtils.substringAfter( decodedPrin, "=" );
           
        // Grab everything before the first comma, if any.
        return StringUtils.substringBefore( rhs, "," );
    }
    catch( UnsupportedEncodingException e ) {
        logger.error( e );
        throw new RuntimeException( "UnsupportedEncodingException caught in trimUserIdFromPrincipal", e );
    }
}