ContentType class abstract interface

A MIME/IANA media type used as the value of the HttpHeaders.contentTypeHeader header.

A ContentType is immutable.

Implemented types


ContentType(String primaryType, String subType, {String? charset, Map<String, String?> parameters = const {}})
Creates a new content type object setting the primary type and sub type. The charset and additional parameters can also be set using charset and parameters. If charset is passed and parameters contains charset as well the passed charset will override the value in parameters. Keys passed in parameters will be converted to lower case. The charset entry, whether passed as charset or in parameters, will have its value converted to lower-case.


charset String?
Gets the character set, if any.
no setter
hashCode int
The hash code for this object.
no setterinherited
mimeType String
Gets the MIME type and subtype, without any parameters.
no setter
parameters Map<String, String?>
A map of parameters.
no setterinherited
primaryType String
Gets the primary type.
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
subType String
Gets the subtype.
no setter
value String
The value of the header.
no setterinherited


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 Properties

binary ContentType
Content type for binary data.
html ContentType
Content type for HTML using UTF-8 encoding.
json ContentType
Content type for JSON using UTF-8 encoding.
text ContentType
Content type for plain text using UTF-8 encoding.

Static Methods

parse(String value) ContentType
Creates a new content type object from parsing a Content-Type header value. As primary type, sub type and parameter names and values are not case sensitive all these values will be converted to lower case. Parsing this string