Index: sdk/lib/io/http_multipart_form_data_impl.dart |
diff --git a/sdk/lib/io/http_multipart_form_data_impl.dart b/sdk/lib/io/http_multipart_form_data_impl.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ef47f2a6d64004abd9e150b3d9a7056c10c31adc |
--- /dev/null |
+++ b/sdk/lib/io/http_multipart_form_data_impl.dart |
@@ -0,0 +1,100 @@ |
+// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+part of dart.io; |
+ |
+ |
+class _HttpMultipartFormData extends Stream implements HttpMultipartFormData { |
+ final ContentType contentType; |
+ final HeaderValue contentDisposition; |
+ final HeaderValue contentTransferEncoding; |
+ |
+ final MimeMultipart _mimeMultipart; |
+ |
+ bool _isText = false; |
+ |
+ Stream _stream; |
+ |
+ _HttpMultipartFormData(ContentType this.contentType, |
+ HeaderValue this.contentDisposition, |
+ HeaderValue this.contentTransferEncoding, |
+ MimeMultipart this._mimeMultipart) { |
+ _stream = _mimeMultipart; |
+ if (contentTransferEncoding != null) { |
+ // TODO(ajohnsen): Support BASE64, etc. |
+ throw new HttpException("Unsupported contentTransferEncoding: " |
+ "${contentTransferEncoding.value}"); |
+ } |
+ |
+ if (contentType == null || contentType.primaryType == 'text') { |
+ _isText = true; |
+ StringBuffer buffer = new StringBuffer(); |
+ Encoding encoding; |
+ if (contentType != null) { |
+ encoding = Encoding.fromName(contentType.charset); |
+ } |
+ if (encoding == null) encoding = Encoding.ISO_8859_1; |
+ _stream = _stream |
+ .transform(new StringDecoder(encoding)) |
+ .expand((data) { |
+ buffer.write(data); |
+ var out = _HttpUtils.parseHttpEntityString(buffer.toString()); |
+ if (out != null) { |
+ buffer = new StringBuffer(); |
+ return [out]; |
+ } |
+ return const []; |
+ }); |
+ } |
+ } |
+ |
+ bool get isText => _isText; |
+ bool get isBinary => !_isText; |
+ |
+ static HttpMultipartFormData parse(MimeMultipart multipart) { |
+ var type; |
+ var encoding; |
+ var disposition; |
+ var remaining = new Map<String, String>(); |
+ for (String key in multipart.headers.keys) { |
+ switch (key) { |
+ case HttpHeaders.CONTENT_TYPE: |
+ type = ContentType.parse(multipart.headers[key]); |
+ break; |
+ |
+ case 'content-transfer-encoding': |
+ encoding = HeaderValue.parse(multipart.headers[key]); |
+ break; |
+ |
+ case 'content-disposition': |
+ disposition = HeaderValue.parse(multipart.headers[key]); |
+ break; |
+ |
+ default: |
+ remaining[key] = multipart.headers[key]; |
+ break; |
+ } |
+ } |
+ if (disposition == null) { |
+ throw new HttpException( |
+ "Mime Multipart doesn't contain a Content-Disposition header value"); |
+ } |
+ return new _HttpMultipartFormData(type, disposition, encoding, multipart); |
+ } |
+ |
+ StreamSubscription listen(void onData(data), |
+ {void onDone(), |
+ void onError(error), |
+ bool cancelOnError}) { |
+ return _stream.listen(onData, |
+ onDone: onDone, |
+ onError: onError, |
+ cancelOnError: cancelOnError); |
+ } |
+ |
+ String value(String name) { |
+ return _mimeMultipart.headers[name]; |
+ } |
+} |
+ |