Input and Output - Java - page 428

System . err . println ( "Usage: CommPortSimple deviceName" );
System . exit ( 1 );

}

new new CommPortSimple ( argv [ 0 ]). holdConversation ();

System . exit ( 0 );

}

/* Constructor */
public

public CommPortSimple ( String devName ) throws throws Exception {

@SuppressWarnings ( "unchecked" )
Enumeration < CommPortIdentifier > pList =
CommPortIdentifier . getPortIdentifiers ();

// Walk the list, looking for the given name
CommPortIdentifier cpi = null

null ;

boolean boolean atLeastOneSerialPresent = false false ;

while while ( pList . hasMoreElements ()) {

CommPortIdentifier c = pList . nextElement ();
iif ( c . getPortType () != CommPortIdentifier . PORT_SERIAL ) {
System . err . println ( "Not a serial port: " + c . getName ());
continue

continue ;

}
iif ( devName . equals ( c . getName ())) {
cpi = c ;
break break ; // found!

}
atLeastOneSerialPresent = true

true ;
System . out . println ( "Not matched: " + c . getName ());

}
iif ( cpi == null null ) {

System . err . println ( "Did not find serial port '" + devName + "'" );
iif ( atLeastOneSerialPresent )
System . err . println ( "Try again with one of the listed names" );

else

System . err . println ( "In fact, I didn't see ANY serial ports!" );
System . exit ( 1 );

}

thePort = cpi . open ( "JavaCook DataComm" ,
TIMEOUTSECONDS * 1000 );
SerialPort myPort = ( SerialPort ) thePort ;

// set up the serial port