Package io.undertow.util

Class HeaderMap

java.lang.Object

io.undertow.util.HeaderMap

All Implemented Interfaces:

Iterable<HeaderValues>

public final class HeaderMap
extends Object
implements Iterable<HeaderValues>

An optimized array-backed header map.

Author:

David M. Lloyd, Flavia Rainone

Constructor Summary

Constructors

Constructor	Description
HeaderMap()

Method Summary

Modifier and Type	Method	Description
HeaderMap	add(HttpString headerName, long headerValue)
HeaderMap	add(HttpString headerName, String headerValue)
HeaderMap	addAll(HttpString headerName, Collection<String> headerValues)
HeaderMap	addFirst(HttpString headerName, String headerValue)
HeaderMap	addLast(HttpString headerName, String headerValue)
HeaderMap	clear()
boolean	contains(HttpString headerName)
boolean	contains(String headerName)
int	count(HttpString headerName)
int	count(String headerName)
Iterable<String>	eachValue(HttpString headerName)
boolean	equals(Object o)
long	fastIterate()	Do a fast iteration of this header map without creating any objects.
long	fastIterateNonEmpty()	Do a fast iteration of this header map without creating any objects, only considering non-empty header values.
HeaderValues	fiCurrent(long cookie)	Return the value at the current index in a fast iteration.
long	fiNext(long cookie)	Find the next index in a fast iteration.
long	fiNextNonEmpty(long cookie)	Find the next non-empty index in a fast iteration.
HeaderValues	get(HttpString headerName)
String	get(HttpString headerName, int index)
HeaderValues	get(String headerName)
String	get(String headerName, int index)
String	getFirst(HttpString headerName)
String	getFirst(String headerName)
Collection<HttpString>	getHeaderNames()
String	getLast(HttpString headerName)
String	getLast(String headerName)
int	hashCode()
Iterator<HeaderValues>	iterator()
HeaderMap	put(HttpString headerName, long headerValue)
HeaderMap	put(HttpString headerName, String headerValue)
HeaderMap	putAll(HeaderMap headerMap)
HeaderMap	putAll(HttpString headerName, Collection<String> headerValues)
Collection<String>	remove(HttpString headerName)
Collection<String>	remove(String headerName)
int	size()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

HeaderMap

public HeaderMap()

Method Details

get

public HeaderValues get(HttpString headerName)

get

public HeaderValues get(String headerName)

getFirst

public String getFirst(HttpString headerName)

getFirst

public String getFirst(String headerName)

get

public String get(HttpString headerName,
 int index)
           throws IndexOutOfBoundsException

Throws:

IndexOutOfBoundsException

get

public String get(String headerName,
 int index)
           throws IndexOutOfBoundsException

Throws:

IndexOutOfBoundsException

getLast

public String getLast(HttpString headerName)

getLast

public String getLast(String headerName)

count

public int count(HttpString headerName)

count

public int count(String headerName)

size

public int size()

fastIterate

public long fastIterate()

Do a fast iteration of this header map without creating any objects.

Returns:

an opaque iterating cookie, or -1 if no iteration is possible

See Also:

• fiNext(long)
• fiCurrent(long)

fastIterateNonEmpty

public long fastIterateNonEmpty()

Do a fast iteration of this header map without creating any objects, only considering non-empty header values.

Returns:

an opaque iterating cookie, or -1 if no iteration is possible

fiNext

public long fiNext(long cookie)

Find the next index in a fast iteration.

Parameters:

cookie - the previous cookie value

Returns:

the next cookie value, or -1L if iteration is done

fiNextNonEmpty

public long fiNextNonEmpty(long cookie)

Find the next non-empty index in a fast iteration.

Parameters:

cookie - the previous cookie value

Returns:

the next cookie value, or -1L if iteration is done

fiCurrent

public HeaderValues fiCurrent(long cookie)

Return the value at the current index in a fast iteration.

Parameters:

cookie - the iteration cookie value

Returns:

the values object at this position

Throws:

NoSuchElementException - if the cookie value is invalid

eachValue

public Iterable<String> eachValue(HttpString headerName)

iterator

public Iterator<HeaderValues> iterator()

Specified by:

iterator in interface Iterable<HeaderValues>

getHeaderNames

public Collection<HttpString> getHeaderNames()

add

public HeaderMap add(HttpString headerName,
 String headerValue)

addFirst

public HeaderMap addFirst(HttpString headerName,
 String headerValue)

addLast

public HeaderMap addLast(HttpString headerName,
 String headerValue)

add

public HeaderMap add(HttpString headerName,
 long headerValue)

addAll

public HeaderMap addAll(HttpString headerName,
 Collection<String> headerValues)

put

public HeaderMap put(HttpString headerName,
 String headerValue)

put

public HeaderMap put(HttpString headerName,
 long headerValue)

putAll

public HeaderMap putAll(HttpString headerName,
 Collection<String> headerValues)

putAll

public HeaderMap putAll(HeaderMap headerMap)

clear

public HeaderMap clear()

remove

public Collection<String> remove(HttpString headerName)

remove

public Collection<String> remove(String headerName)

contains

public boolean contains(HttpString headerName)

contains

public boolean contains(String headerName)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object