question: public String toURI ( ) { CharArrayBuffer buffer = new CharArrayBuffer ( 32 ) ; buffer . append ( this . schemeName ) ; buffer . append ( "://" ) ; buffer . append ( this . hostname ) ; if ( this . port != - 1 ) { buffer . append ( ':' ) ; buffer . append ( Integer . toString ( this . port ) ) ; } return buffer . toString ( ) ; }
target:  Return the host URI, as a string.