MultipartFile class Null safety

A file to be uploaded as part of a MultipartRequest. This doesn't need to correspond to a physical file.

MultipartFile is based on stream, and a stream can be read only once, so the same MultipartFile can't be read multiple times.

Constructors

MultipartFile(Stream<List<int>> stream, int length, {String? filename, MediaType? contentType})
Creates a new MultipartFile from a chunked Stream of bytes. The length of the file in bytes must be known in advance. If it's not, read the data from the stream and use MultipartFile.fromBytes instead. [...]
MultipartFile.fromBytes(List<int> value, {String? filename, MediaType? contentType})
Creates a new MultipartFile from a byte array. [...]
factory
MultipartFile.fromString(String value, {String? filename, MediaType? contentType})
Creates a new MultipartFile from a string. [...]
factory

Properties

contentType MediaType?
The content-type of the file. Defaults to application/octet-stream.
final
filename String?
The basename of the file. May be null.
final
hashCode int
The hash code for this object. [...]
read-only, inherited
isFinalized bool
Whether finalize has been called.
read-only
length int
The size of the file in bytes. This must be known in advance, even if this file is created from a ByteStream.
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

finalize() Stream<List<int>>
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited

Static Methods

fromFile(String filePath, {String? filename, MediaType? contentType}) Future<MultipartFile>
Creates a new MultipartFile from a path to a file on disk. [...]
fromFileSync(String filePath, {String? filename, MediaType? contentType}) MultipartFile