public String nstring ( ImapRequestLineReader request ) throws ProtocolException { char next = request . nextWordChar ( ) ; switch ( next ) { case ' ' : return consumeQuoted ( request ) ; case ' ' : return consumeLiteral ( request ) ; default : String value = atom ( request ) ; if ( "NIL" . equals ( value ) ) { return null ; } else { throw new ProtocolException ( "Invalid nstring value: valid values are '\"...\"', '{12} CRLF *CHAR8', and 'NIL'." ) ; } } }
Reads an argument of type nstring from the request .