CacheControlHeader class final
A class representing the HTTP Cache-Control header.
This class manages cache directives like no-cache, no-store, max-age,
must-revalidate, etc. It supports parsing header values and generating
the appropriate header string.
Constructors
- CacheControlHeader({bool noCache = false, bool noStore = false, int? maxAge, int? staleWhileRevalidate, bool? publicCache, bool? privateCache, bool mustRevalidate = false, bool proxyRevalidate = false, int? sMaxAge, bool noTransform = false, bool onlyIfCached = false, int? staleIfError, int? maxStale, int? minFresh, bool immutable = false, bool mustUnderstand = false})
- Constructs a CacheControlHeader instance with the specified directives.
-
CacheControlHeader.parse(Iterable<
String> values) -
Parses the Cache-Control header value and returns a CacheControlHeader instance.
factory
-
CacheControlHeader.parseStrict(Iterable<
String> values) -
Like parse, but throws a FormatException for an unrecognized
directive or a malformed delta-seconds value instead of ignoring it.
factory
Properties
- hashCode → int
-
The hash code for this object.
no setteroverride
- immutable → bool
-
Indicates that the response is immutable.
final
- maxAge → int?
-
Specifies the maximum amount of time (in seconds) a resource is considered fresh.
final
- maxStale → int?
-
Specifies the maximum amount of time (in seconds) a stale resource can be used.
final
- minFresh → int?
-
Specifies the minimum amount of time (in seconds) a resource is considered fresh.
final
- mustRevalidate → bool
-
Specifies that the response must be revalidated with the origin server before use.
final
- mustUnderstand → bool
-
Indicates that the response must be understood by the cache.
final
- noCache → bool
-
Specifies that the response should not be cached.
final
- noStore → bool
-
Specifies that the cache should not store the response.
final
- noTransform → bool
-
Indicates that the response is allowed to be transformed by intermediaries.
final
- onlyIfCached → bool
-
Indicates that the response should only be returned from cache and not fetch from origin.
final
- privateCache → bool?
-
Specifies that the resource is only for private use (specific to a single user).
final
- proxyRevalidate → bool
-
Specifies that the shared cache must revalidate with the origin server before use.
final
- publicCache → bool?
-
Specifies whether the cache can be shared by different users (public caching).
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- sMaxAge → int?
-
Specifies the maximum amount of time (in seconds) a resource is considered fresh for shared caches.
final
- staleIfError → int?
-
Specifies the maximum amount of time (in seconds) a stale resource can be used while the cache is being refreshed.
final
- staleWhileRevalidate → int?
-
Specifies the maximum amount of time (in seconds) a stale resource can be used.
final
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override
Constants
-
codec
→ const HeaderCodec<
CacheControlHeader>