question: @ Override public Object readReply ( Class expectedClass ) throws Throwable { int tag = read ( ) ; if ( tag == 'R' ) return readObject ( expectedClass ) ; else if ( tag == 'F' ) { HashMap map = ( HashMap ) readObject ( HashMap . class ) ; throw prepareFault ( map ) ; } else { StringBuilder sb = new StringBuilder ( ) ; sb . append ( ( char ) tag ) ; try { int ch ; while ( ( ch = read ( ) ) >= 0 ) { sb . append ( ( char ) ch ) ; } } catch ( IOException e ) { log . log ( Level . FINE , e . toString ( ) , e ) ; } throw error ( "expected hessian reply at " + codeName ( tag ) + "\n" + sb ) ; } }
target:  Reads a reply as an object. If the reply has a fault, throws the exception.