platform/packages/range_header/README.md

range_header

Range header parser for Dart.

Installation

In your pubspec.yaml:

dependencies:
  range_header: ^2.0.0

Usage

handleRequest(HttpRequest request) async {
  // Parse the header
  var header = new RangeHeader.parse(request.headers.value(HttpHeaders.rangeHeader));

  // Optimize/canonicalize it
  var items = RangeHeader.foldItems(header.items);
  header = new RangeHeader(items);

  // Get info
  header.items;
  header.rangeUnit;
  print(header.items[0].toContentRange(fileSize));

  // Serve the file
  var transformer = new RangeHeaderTransformer(header);
  await file.openRead().transform(transformer).pipe(request.response);
}