public override SipCSeqHeader Parse(StringReader r)
{
SipCSeqHeader header = new SipCSeqHeader();
var word = r.ReadWord();
IfNullThrowParseExceptionInvalidFormat(word);
word = word.Trim();
IfFalseThrowParseException(ParseUtil.IsInteger(word), ExceptionMessage.InvalidFormat);
header.Sequence = int.Parse(word);
word = r.ReadWord();
IfNullOrEmptyThrowParseExceptionInvalidFormat(word);
IfFalseThrowParseException(SipMethods.IsMethod(word), ExceptionMessage.SipMethodNotSupprted);
IfFalseThrowParseException(string.IsNullOrWhiteSpace(r.ReadToEnd()), ExceptionMessage.InvalidFormat);
header.Command = word.Trim();
return(header);
}
public override SipMaxForwardsHeader Parse(StringReader r)
{
var header = new SipMaxForwardsHeader();
var word = r.ReadWord();
IfFalseThrowParseException(ParseUtil.IsInteger(word), ExceptionMessage.InvalidFormat);
header.Value = int.Parse(word);
IfFalseThrowParseException(string.IsNullOrWhiteSpace(r.ReadToEnd()), ExceptionMessage.InvalidFormat);
return(header);
}
public override SipStatusLine Parse(StringReader r)
{
string[] splitted = r.OriginalString.Split(new char[] { ' ' }, 3);
IfFalseThrowParseException(splitted.Length == 3, ExceptionMessage.InvalidStatusLineFormat);
IfFalseThrowParseException(splitted[0].Equals(SipConstants.SipTwoZeroString), ExceptionMessage.InvalidSipVersion);
IfFalseThrowParseException(ParseUtil.IsInteger(splitted[1]), ExceptionMessage.InvalidFormat);
IfNullOrEmptyThrowParseExceptionInvalidFormat(splitted[2]);
IfFalseThrowParseException(splitted[2].Length <= 250, "The 'ReasonPhrase' field of the 'StatusLine' can not be longer than 250 characters");
var result = new SipStatusLine();
result.Version = SipConstants.SipTwoZeroString;
result.StatusCode = int.Parse(splitted[1]);
result.ReasonPhrase = splitted[2];
return(result);
}