Interface HeaderWriteable

All Superinterfaces:

Header, Value<String>

public interface HeaderWriteable
extends Header

Mutable header value.

Method Summary

Modifier and Type	Method	Description
HeaderWriteable	addValue(String value)	Add a value to this header.
static HeaderWriteable	create(Header header)	Create a new mutable header from an existing header.

Methods inherited from interface Header

allValues, allValues, changing, headerName, name, sensitive, validate, valueBytes, valueCount, values, writeHttp1Header

Modifier and Type	Method	Description
List<String>	allValues()	All values of this header.
default List<String>	allValues(boolean split)	All values of this header.
boolean	changing()	Changing headers should not be cached, and their value should not be indexed (HTTP/2).
HeaderName	headerName()	Header name for the header.
String	name()	Name of the header as configured by user or as received on the wire.
boolean	sensitive()	Sensitive headers should not be logged, or indexed (HTTP/2).
default void	validate()	Check validity of the header name and values.
default byte[]	valueBytes()	Bytes of a single-valued header value.
int	valueCount()	Number of values this header has.
default String	values()	All values concatenated using a comma and a space.
default void	writeHttp1Header(BufferData buffer)	Write the current header as an HTTP header to the provided buffer.

Methods inherited from interface Value

as, as, as, asBoolean, asDouble, asInt, asLong, asOptional, asString, filter, flatMap, get, get, get, getBoolean, getDouble, getInt, getLong, getString, stream

Modifier and Type	Method	Description
<N> Value<N>	as(GenericType<N> type)	Convert this value to a different type using a mapper.
<N> Value<N>	as(Class<N> type)	Convert this value to a different type using a mapper.
<N> Value<N>	as(Function<? super String, ? extends N> mapper)	Convert this Value to a different type using a mapper function.
Value<Boolean>	asBoolean()	Boolean typed value.
Value<Double>	asDouble()	Double typed value.
Value<Integer>	asInt()	Integer typed value.
Value<Long>	asLong()	Long typed value.
Optional<String>	asOptional()	Typed value as Optional.
Value<String>	asString()	String typed value.
default Optional<String>	filter(Predicate<? super String> predicate)	If a value is present, and the value matches the given predicate, return an Optional describing the value, otherwise return an empty Optional.
default <U> Optional<U>	flatMap(Function<? super String, Optional<? extends U>> mapper)	Apply the provided Optional-bearing mapping function to this value, return that result.
String	get()	Typed value.
default <N> N	get(GenericType<N> type)	Convert this value to a different type using a mapper.
default <N> N	get(Class<N> type)	Convert this value to a different type using a mapper.
default boolean	getBoolean()	Boolean typed value.
default double	getDouble()	Double typed value.
default int	getInt()	Integer typed value.
default long	getLong()	Long typed value.
default String	getString()	String typed value.
default Stream<String>	stream()	If a value is present, returns a sequential Stream containing only that value, otherwise returns an empty Stream.

Method Details

create

static HeaderWriteable create(Header header)

Create a new mutable header from an existing header.

Parameters:

header - header to copy

Returns:

a new mutable header

addValue

HeaderWriteable addValue(String value)

Add a value to this header.

Parameters:

value - value to add

Returns:

this instance