Parameter class

Used to apply special dependency injections or functionality to a function parameter.

Implementers

Constructors

Parameter({String? cookie, String? query, String? header, String? session, dynamic match, dynamic defaultValue, bool required = true})
const

Properties

Inject the value of a request cookie.
final
defaultValue → dynamic
Specify a default value.
final
error → Object?
Returns an error that can be thrown when the parameter is not present.
no setter
hashCode → int
The hash code for this object.
no setterinherited
Inject the value of a request header.
final
match → dynamic
Only execute the handler if the value of this parameter matches the given value.
final
query → String?
Inject the value of a key from the query.
final
required → bool
If true (default), then an error will be thrown if this parameter is not present.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
session → String?
Inject the value of a key from the session.
final

Methods

getValue(RequestContext req) → dynamic
Obtains a value for this parameter from a RequestContext.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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