UriData class final

A way to access the structure of a data: URI.

Data URIs are non-hierarchical URIs that can contain any binary data. They are defined by RFC 2397.

This class allows parsing the URI text, extracting individual parts of the URI, as well as building the URI text from structured parts.


UriData.fromBytes(List<int> bytes, {String mimeType = "application/octet-stream", Map<String, String>? parameters, bool percentEncoded = false})
Creates a data: URI containing an encoding of bytes.
UriData.fromString(String content, {String? mimeType, Encoding? encoding, Map<String, String>? parameters, bool base64 = false})
Creates a data: URI containing the content string.
UriData.fromUri(Uri uri)
Creates a DataUri from a Uri which must have data as Uri.scheme.


charset String
The charset parameter of the media type.
no setter
contentText String
The content part of the data URI, as its actual representation.
no setter
hashCode int
The hash code for this object.
no setterinherited
isBase64 bool
Whether the data is Base64 encoded or not.
no setter
mimeType String
The MIME type of the data URI.
no setter
parameters Map<String, String>
A map representing the parameters of the media type.
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
uri Uri
The Uri that this UriData is giving access to.
no setter


contentAsBytes() Uint8List
The content part of the data URI as bytes.
contentAsString({Encoding? encoding}) String
Creates a string from the content of the data URI.
isCharset(String charset) bool
Checks whether the charset parameter of the mime type is charset.
isEncoding(Encoding encoding) bool
Whether the charset parameter represents encoding.
isMimeType(String mimeType) bool
Whether the UriData.mimeType is equal to mimeType.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
toString() String
A string representation of this object.


operator ==(Object other) bool
The equality operator.

Static Methods

parse(String uri) UriData
Parses a string as a data URI.