HttpHeaders (Vert.x Stack - Docs 3.9.15 API)

java.lang.Object
- io.vertx.core.http.HttpHeaders

```
public final class HttpHeaders
extends Object
```
Contains often used Header names.
It also contains a utility method to create optimized CharSequence which can be used as header name and value.

Author:

Norman Maurer

Field Summary

Fields
Modifier and Type	Field and Description
`static CharSequence`	`ACCEPT` Accept header name
`static CharSequence`	`ACCEPT_CHARSET` Accept-Charset header name
`static CharSequence`	`ACCEPT_ENCODING` Accept-Encoding header name
`static CharSequence`	`ACCEPT_LANGUAGE` Accept-Language header name
`static CharSequence`	`ACCEPT_PATCH` Accept-Patch header name
`static CharSequence`	`ACCEPT_RANGES` Accept-Ranges header name
`static CharSequence`	`ACCESS_CONTROL_ALLOW_CREDENTIALS` Access-Control-Allow-Credentials header name
`static CharSequence`	`ACCESS_CONTROL_ALLOW_HEADERS` Access-Control-Allow-Headers header name
`static CharSequence`	`ACCESS_CONTROL_ALLOW_METHODS` Access-Control-Allow-Methods header name
`static CharSequence`	`ACCESS_CONTROL_ALLOW_ORIGIN` Access-Control-Allow-Origin header name
`static CharSequence`	`ACCESS_CONTROL_EXPOSE_HEADERS` Access-Control-Expose-Headers header name
`static CharSequence`	`ACCESS_CONTROL_MAX_AGE` Access-Control-Max-Age header name
`static CharSequence`	`ACCESS_CONTROL_REQUEST_HEADERS` Access-Control-Request-Headers header name
`static CharSequence`	`ACCESS_CONTROL_REQUEST_METHOD` Access-Control-Request-Method header name
`static CharSequence`	`AGE` Age header name
`static CharSequence`	`ALLOW` Allow header name
`static CharSequence`	`APPLICATION_X_WWW_FORM_URLENCODED` application/x-www-form-urlencoded header value
`static CharSequence`	`AUTHORIZATION` Authorization header name
`static CharSequence`	`CACHE_CONTROL` Cache-Control header name
`static CharSequence`	`CHUNKED` chunked header value
`static CharSequence`	`CLOSE` close header value
`static CharSequence`	`CONNECTION` Connection header name
`static CharSequence`	`CONTENT_BASE` Content-Base header name
`static CharSequence`	`CONTENT_DISPOSITION` Content-Disposition header name
`static CharSequence`	`CONTENT_ENCODING` Content-Encoding header name
`static CharSequence`	`CONTENT_LANGUAGE` Content-Language header name
`static CharSequence`	`CONTENT_LENGTH` Content-Length header name
`static CharSequence`	`CONTENT_LOCATION` Content-Location header name
`static CharSequence`	`CONTENT_MD5` Content-MD5 header name
`static CharSequence`	`CONTENT_RANGE` Content-Rage header name
`static CharSequence`	`CONTENT_TRANSFER_ENCODING` Content-Transfer-Encoding header name
`static CharSequence`	`CONTENT_TYPE` Content-Type header name
`static CharSequence`	`CONTINUE` 100-continue header value
`static CharSequence`	`COOKIE` Content-Cookie header name
`static CharSequence`	`DATE` Date header name
`static CharSequence`	`DEFLATE_GZIP` deflate,gzip header value
`static boolean`	`DISABLE_HTTP_HEADERS_VALIDATION` Constant that disables HTTP headers validation, this is a constant so the JIT can eliminate validation code.
`static CharSequence`	`ETAG` Etag header name
`static CharSequence`	`EXPECT` Expect header name
`static CharSequence`	`EXPIRES` Expires header name
`static CharSequence`	`FROM` From header name
`static CharSequence`	`GET` GET header value
`static CharSequence`	`HOST` Host header name
`static CharSequence`	`IDENTITY` identity header value
`static CharSequence`	`IF_MATCH` If-Match header name
`static CharSequence`	`IF_MODIFIED_SINCE` If-Modified-Since header name
`static CharSequence`	`IF_NONE_MATCH` If-None-Match header name
`static CharSequence`	`KEEP_ALIVE` keep-alive header value
`static CharSequence`	`LAST_MODIFIED` Last-Modified header name
`static CharSequence`	`LOCATION` Location header name
`static CharSequence`	`ORIGIN` Origin header name
`static CharSequence`	`PROXY_AUTHENTICATE` Proxy-Authenticate header name
`static CharSequence`	`PROXY_AUTHORIZATION` Proxy-Authorization header name
`static CharSequence`	`REFERER` Referer header name
`static CharSequence`	`RETRY_AFTER` Retry-After header name
`static CharSequence`	`SERVER` Server header name
`static CharSequence`	`SET_COOKIE` Set-Cookie header name
`static CharSequence`	`TEXT_HTML` text/html header value
`static CharSequence`	`TRANSFER_ENCODING` Transfer-Encoding header name
`static CharSequence`	`UPGRADE` Upgrade header value
`static CharSequence`	`USER_AGENT` User-Agent header name
`static CharSequence`	`WEBSOCKET` WebSocket header value

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static CharSequence`	`createOptimized(String value)` Create an optimized `CharSequence` which can be used as header name or value.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DISABLE_HTTP_HEADERS_VALIDATION
```
public static final boolean DISABLE_HTTP_HEADERS_VALIDATION
```
Constant that disables HTTP headers validation, this is a constant so the JIT can eliminate validation code.

ACCEPT

public static final CharSequence ACCEPT

Accept header name

ACCEPT_CHARSET

public static final CharSequence ACCEPT_CHARSET

Accept-Charset header name

ACCEPT_ENCODING

public static final CharSequence ACCEPT_ENCODING

Accept-Encoding header name

ACCEPT_LANGUAGE

public static final CharSequence ACCEPT_LANGUAGE

Accept-Language header name

ACCEPT_RANGES

public static final CharSequence ACCEPT_RANGES

Accept-Ranges header name

ACCEPT_PATCH

public static final CharSequence ACCEPT_PATCH

Accept-Patch header name

ACCESS_CONTROL_ALLOW_CREDENTIALS
```
public static final CharSequence ACCESS_CONTROL_ALLOW_CREDENTIALS
```
Access-Control-Allow-Credentials header name

ACCESS_CONTROL_ALLOW_HEADERS
```
public static final CharSequence ACCESS_CONTROL_ALLOW_HEADERS
```
Access-Control-Allow-Headers header name

ACCESS_CONTROL_ALLOW_METHODS
```
public static final CharSequence ACCESS_CONTROL_ALLOW_METHODS
```
Access-Control-Allow-Methods header name

ACCESS_CONTROL_ALLOW_ORIGIN
```
public static final CharSequence ACCESS_CONTROL_ALLOW_ORIGIN
```
Access-Control-Allow-Origin header name

ACCESS_CONTROL_EXPOSE_HEADERS
```
public static final CharSequence ACCESS_CONTROL_EXPOSE_HEADERS
```
Access-Control-Expose-Headers header name

ACCESS_CONTROL_MAX_AGE

public static final CharSequence ACCESS_CONTROL_MAX_AGE

Access-Control-Max-Age header name

ACCESS_CONTROL_REQUEST_HEADERS
```
public static final CharSequence ACCESS_CONTROL_REQUEST_HEADERS
```
Access-Control-Request-Headers header name

ACCESS_CONTROL_REQUEST_METHOD
```
public static final CharSequence ACCESS_CONTROL_REQUEST_METHOD
```
Access-Control-Request-Method header name

AGE
```
public static final CharSequence AGE
```
Age header name

ALLOW
```
public static final CharSequence ALLOW
```
Allow header name

AUTHORIZATION

public static final CharSequence AUTHORIZATION

Authorization header name

CACHE_CONTROL

public static final CharSequence CACHE_CONTROL

Cache-Control header name

CONNECTION

public static final CharSequence CONNECTION

Connection header name

CONTENT_BASE

public static final CharSequence CONTENT_BASE

Content-Base header name

CONTENT_DISPOSITION

public static final CharSequence CONTENT_DISPOSITION

Content-Disposition header name

CONTENT_ENCODING

public static final CharSequence CONTENT_ENCODING

Content-Encoding header name

CONTENT_LANGUAGE

public static final CharSequence CONTENT_LANGUAGE

Content-Language header name

CONTENT_LENGTH

public static final CharSequence CONTENT_LENGTH

Content-Length header name

CONTENT_LOCATION

public static final CharSequence CONTENT_LOCATION

Content-Location header name

CONTENT_TRANSFER_ENCODING

public static final CharSequence CONTENT_TRANSFER_ENCODING

Content-Transfer-Encoding header name

CONTENT_MD5

public static final CharSequence CONTENT_MD5

Content-MD5 header name

CONTENT_RANGE

public static final CharSequence CONTENT_RANGE

Content-Rage header name

CONTENT_TYPE

public static final CharSequence CONTENT_TYPE

Content-Type header name

COOKIE

public static final CharSequence COOKIE

Content-Cookie header name

DATE
```
public static final CharSequence DATE
```
Date header name

ETAG
```
public static final CharSequence ETAG
```
Etag header name

EXPECT

public static final CharSequence EXPECT

Expect header name

EXPIRES

public static final CharSequence EXPIRES

Expires header name

FROM
```
public static final CharSequence FROM
```
From header name

HOST
```
public static final CharSequence HOST
```
Host header name

IF_MATCH

public static final CharSequence IF_MATCH

If-Match header name

IF_MODIFIED_SINCE

public static final CharSequence IF_MODIFIED_SINCE

If-Modified-Since header name

IF_NONE_MATCH

public static final CharSequence IF_NONE_MATCH

If-None-Match header name

LAST_MODIFIED

public static final CharSequence LAST_MODIFIED

Last-Modified header name

LOCATION

public static final CharSequence LOCATION

Location header name

ORIGIN

public static final CharSequence ORIGIN

Origin header name

PROXY_AUTHENTICATE

public static final CharSequence PROXY_AUTHENTICATE

Proxy-Authenticate header name

PROXY_AUTHORIZATION

public static final CharSequence PROXY_AUTHORIZATION

Proxy-Authorization header name

REFERER

public static final CharSequence REFERER

Referer header name

RETRY_AFTER

public static final CharSequence RETRY_AFTER

Retry-After header name

SERVER

public static final CharSequence SERVER

Server header name

TRANSFER_ENCODING

public static final CharSequence TRANSFER_ENCODING

Transfer-Encoding header name

USER_AGENT

public static final CharSequence USER_AGENT

User-Agent header name

SET_COOKIE

public static final CharSequence SET_COOKIE

Set-Cookie header name

APPLICATION_X_WWW_FORM_URLENCODED
```
public static final CharSequence APPLICATION_X_WWW_FORM_URLENCODED
```
application/x-www-form-urlencoded header value

CHUNKED

public static final CharSequence CHUNKED

chunked header value

CLOSE
```
public static final CharSequence CLOSE
```
close header value

CONTINUE

public static final CharSequence CONTINUE

100-continue header value

IDENTITY

public static final CharSequence IDENTITY

identity header value

KEEP_ALIVE

public static final CharSequence KEEP_ALIVE

keep-alive header value

UPGRADE

public static final CharSequence UPGRADE

Upgrade header value

WEBSOCKET

public static final CharSequence WEBSOCKET

WebSocket header value

DEFLATE_GZIP

public static final CharSequence DEFLATE_GZIP

deflate,gzip header value

TEXT_HTML

public static final CharSequence TEXT_HTML

text/html header value

GET
```
public static final CharSequence GET
```
GET header value

Method Detail
- createOptimized
```
public static CharSequence createOptimized(String value)
```
  Create an optimized CharSequence which can be used as header name or value. This should be used if you expect to use it multiple times liked for example adding the same header name or value for multiple responses or requests.

Class HttpHeaders