addLocationPath method
Add a location path
Implementation
void addLocationPath(final String path) {
if (path == '..' || path == '.') {
throw ArgumentError.value(
path,
'Message::addLocationPath'
'The value of a Location-Path Option must not be "." or ".."',
);
}
if (path.length > 255) {
throw ArgumentError.value(
path.length,
'Message::addLocationPath',
"Location Path option's length must be between 0 and 255 inclusive",
);
}
addOption(CoapOption.createString(OptionType.locationPath, path));
}