Got it! Exellent answer, I'll have a look at it again, now I am using
ProcessBuilder instead,
since that works..., but using a library feels safer...
BR
/Daniel
From: Rory Winston <[EMAIL PROTECTED]>
Reply-To: "Jakarta Commons Users List" <[email protected]>
To: Jakarta Commons Users List <[email protected]>,
[EMAIL PROTECTED]
Subject: Re: TelnetClient problem?
Date: Tue, 05 Dec 2006 23:35:36 +0000
Hi Daniel
This is handled in TelnetClient::_connectAction(). The output stream is
wrapped in a ToNetASCIIOutputStream, which replaces all \n with \r\n. A
quick fix for your serial blackbox system may (I havent tried this) be to
replace the line
__output = new ToNetASCIIOutputStream(new TelnetOutputStream(this));
with
__output = new BufferedOutputStream(new TelnetOutputStream(this));
protected void _connectAction_() throws IOException
{
super._connectAction_();
InputStream input;
TelnetInputStream tmp;
if (FromNetASCIIInputStream.isConversionRequired())
input = new FromNetASCIIInputStream(_input_);
else
input = _input_;
tmp = new TelnetInputStream(input, this, readerThread);
if(readerThread)
{
tmp._start();
}
.....
__input = new BufferedInputStream(tmp);
__output = new ToNetASCIIOutputStream(new
TelnetOutputStream(this));
}
We could make this configurable in some way if necessary.
Rory
Daniel Wikman wrote:
Hi all!
I wonder if someone has seen this and know a "cure" for this behaviour. I
wrote a program based on the commons.net TelnetClient class. When using
the program towards a Unix or Linux box directly everything works fine,
but when using telnet towards a serial blackbox, I always get an extra
newline added when writing commands (it seems like TelnetClient or the
underlying stream makes line terminations a la windows... The fun part is
that if I make my own TelnetClient program based on
Java.util.ProcessBuilder it works just fine. I'd really like to make my
program independent of the "/usr/bin/telnet" to make it work on windows
platform as well. Does anyone know what option that controls this in
TelnetClient?
BR
/Daniel
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