classafButter::QualityValues

sys::Obj
  afButter::QualityValues

Parses a Str of HTTP qvalues as per HTTP 1.1 Spec / rfc2616-sec14.3. Provides some useful accessor methods; like #accepts(Str name) which returns true only if the name exists AND has a qvalue greater than 0.0.

QualityValues("audio/*; q=0.2, audio/basic")

@see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.3

accepts

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Bool accepts(Str name)

Returns true if the name was supplied in the header AND has a qvalue > 0.0

This method matches against * wildcards.

clear

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Void clear()

Clears the qvalues

contains

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Bool contains(Str name)

Returns true if name was supplied in the header.

This method matches against * wildcards.

fromStr

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static new fromStr(Str? header := null, Bool checked := true)

Parses a HTTP header value into a name:qvalue map. Values are comma delimited with an optional q value.

Throws ParseErr if the header Str is invalid.

QualityValues("audio/*; q=0.2, audio/basic")
get

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@Operator
Float get(Str name)

Returns the qvalue associated with name. Defaults to 0 if name is not mapped.

Wildcards are not honoured but name is case-insensitive.

isEmpty

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Bool isEmpty()

Returns size() == 0

qvalues

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Str:Float qvalues()

Returns a dup of the internal name:qvalue map.

Use get() and set() to modify qvalues.

set

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@Operator
This set(Str name, Float qval)

Sets the given quality value.

Wildcards are not honoured but name is case-insensitive.

size

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Int size()

Returns the number of values given in the header

toStr

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virtual override Str toStr()

Returns a joined-up Str of qvalues that may be set in a HTTP header. The names are sorted by qvalue. Example:

audio/*; q=0.2, audio/basic