getHeaderContentDisposition method
Retrieves the first 'content-disposition' header.
Implementation
ContentDispositionHeader? getHeaderContentDisposition() {
if (_contentDispositionHeader != null) {
return _contentDispositionHeader;
}
final value = _getLowerCaseHeaderValue('content-disposition');
if (value == null) {
return null;
}
_contentDispositionHeader = ContentDispositionHeader(value);
return _contentDispositionHeader;
}