HttpHeaders

java.lang.Object
- org.apache.hc.core5.http.HttpHeaders

```
public final class HttpHeaders
extends Object
```
Constants enumerating standard and common HTTP headers.

Since:

4.1

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`ACCEPT`
`static String`	`ACCEPT_CHARSET`
`static String`	`ACCEPT_ENCODING`
`static String`	`ACCEPT_LANGUAGE`
`static String`	`ACCEPT_RANGES`
`static String`	`AGE`
`static String`	`ALLOW`
`static String`	`AUTHORIZATION`
`static String`	`CACHE_CONTROL`
`static String`	`CONNECTION`
`static String`	`CONTENT_ENCODING`
`static String`	`CONTENT_LANGUAGE`
`static String`	`CONTENT_LENGTH`
`static String`	`CONTENT_LOCATION`
`static String`	`CONTENT_MD5`
`static String`	`CONTENT_RANGE`
`static String`	`CONTENT_TYPE`
`static String`	`DATE`
`static String`	`DAV`
`static String`	`DEPTH`
`static String`	`DESTINATION`
`static String`	`ETAG`
`static String`	`EXPECT`
`static String`	`EXPIRES`
`static String`	`FROM`
`static String`	`HOST`
`static String`	`IF`
`static String`	`IF_MATCH`
`static String`	`IF_MODIFIED_SINCE`
`static String`	`IF_NONE_MATCH`
`static String`	`IF_RANGE`
`static String`	`IF_UNMODIFIED_SINCE`
`static String`	`KEEP_ALIVE`
`static String`	`LAST_MODIFIED`
`static String`	`LOCATION`
`static String`	`LOCK_TOKEN`
`static String`	`MAX_FORWARDS`
`static String`	`OVERWRITE`
`static String`	`PRAGMA`
`static String`	`PROXY_AUTHENTICATE`
`static String`	`PROXY_AUTHORIZATION`
`static String`	`RANGE`
`static String`	`REFERER`
`static String`	`RETRY_AFTER`
`static String`	`SERVER`
`static String`	`STATUS_URI`
`static String`	`TE`
`static String`	`TIMEOUT`
`static String`	`TRAILER`
`static String`	`TRANSFER_ENCODING`
`static String`	`UPGRADE`
`static String`	`USER_AGENT`
`static String`	`VARY`
`static String`	`VIA`
`static String`	`WARNING`
`static String`	`WWW_AUTHENTICATE`

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

Field Detail

ACCEPT
```
public static final String ACCEPT
```
See Also:

Constant Field Values

ACCEPT_CHARSET

public static final String ACCEPT_CHARSET

See Also:: Constant Field Values

ACCEPT_ENCODING

public static final String ACCEPT_ENCODING

See Also:: Constant Field Values

ACCEPT_LANGUAGE

public static final String ACCEPT_LANGUAGE

See Also:: Constant Field Values

ACCEPT_RANGES

public static final String ACCEPT_RANGES

See Also:: Constant Field Values

AGE
```
public static final String AGE
```
See Also:

Constant Field Values

ALLOW
```
public static final String ALLOW
```
See Also:

Constant Field Values

AUTHORIZATION

public static final String AUTHORIZATION

See Also:: Constant Field Values

CACHE_CONTROL

public static final String CACHE_CONTROL

See Also:: Constant Field Values

CONNECTION
```
public static final String CONNECTION
```
See Also:

Constant Field Values

CONTENT_ENCODING

public static final String CONTENT_ENCODING

See Also:: Constant Field Values

CONTENT_LANGUAGE

public static final String CONTENT_LANGUAGE

See Also:: Constant Field Values

CONTENT_LENGTH

public static final String CONTENT_LENGTH

See Also:: Constant Field Values

CONTENT_LOCATION

public static final String CONTENT_LOCATION

See Also:: Constant Field Values

CONTENT_MD5
```
public static final String CONTENT_MD5
```
See Also:

Constant Field Values

CONTENT_RANGE

public static final String CONTENT_RANGE

See Also:: Constant Field Values

CONTENT_TYPE

public static final String CONTENT_TYPE

See Also:: Constant Field Values

DATE
```
public static final String DATE
```
See Also:

Constant Field Values

DAV
```
public static final String DAV
```
See Also:

Constant Field Values

DEPTH
```
public static final String DEPTH
```
See Also:

Constant Field Values

DESTINATION
```
public static final String DESTINATION
```
See Also:

Constant Field Values

ETAG
```
public static final String ETAG
```
See Also:

Constant Field Values

EXPECT
```
public static final String EXPECT
```
See Also:

Constant Field Values

EXPIRES
```
public static final String EXPIRES
```
See Also:

Constant Field Values

FROM
```
public static final String FROM
```
See Also:

Constant Field Values

HOST
```
public static final String HOST
```
See Also:

Constant Field Values

IF
```
public static final String IF
```
See Also:

Constant Field Values

IF_MATCH
```
public static final String IF_MATCH
```
See Also:

Constant Field Values

IF_MODIFIED_SINCE

public static final String IF_MODIFIED_SINCE

See Also:: Constant Field Values

IF_NONE_MATCH

public static final String IF_NONE_MATCH

See Also:: Constant Field Values

IF_RANGE
```
public static final String IF_RANGE
```
See Also:

Constant Field Values

IF_UNMODIFIED_SINCE

public static final String IF_UNMODIFIED_SINCE

See Also:: Constant Field Values

KEEP_ALIVE
```
public static final String KEEP_ALIVE
```
See Also:

Constant Field Values

LAST_MODIFIED

public static final String LAST_MODIFIED

See Also:: Constant Field Values

LOCATION
```
public static final String LOCATION
```
See Also:

Constant Field Values

LOCK_TOKEN
```
public static final String LOCK_TOKEN
```
See Also:

Constant Field Values

MAX_FORWARDS

public static final String MAX_FORWARDS

See Also:: Constant Field Values

OVERWRITE
```
public static final String OVERWRITE
```
See Also:

Constant Field Values

PRAGMA
```
public static final String PRAGMA
```
See Also:

Constant Field Values

PROXY_AUTHENTICATE

public static final String PROXY_AUTHENTICATE

See Also:: Constant Field Values

PROXY_AUTHORIZATION

public static final String PROXY_AUTHORIZATION

See Also:: Constant Field Values

RANGE
```
public static final String RANGE
```
See Also:

Constant Field Values

REFERER
```
public static final String REFERER
```
See Also:

Constant Field Values

RETRY_AFTER
```
public static final String RETRY_AFTER
```
See Also:

Constant Field Values

SERVER
```
public static final String SERVER
```
See Also:

Constant Field Values

STATUS_URI
```
public static final String STATUS_URI
```
See Also:

Constant Field Values

TE
```
public static final String TE
```
See Also:

Constant Field Values

TIMEOUT
```
public static final String TIMEOUT
```
See Also:

Constant Field Values

TRAILER
```
public static final String TRAILER
```
See Also:

Constant Field Values

TRANSFER_ENCODING

public static final String TRANSFER_ENCODING

See Also:: Constant Field Values

UPGRADE
```
public static final String UPGRADE
```
See Also:

Constant Field Values

USER_AGENT
```
public static final String USER_AGENT
```
See Also:

Constant Field Values

VARY
```
public static final String VARY
```
See Also:

Constant Field Values

VIA
```
public static final String VIA
```
See Also:

Constant Field Values

WARNING
```
public static final String WARNING
```
See Also:

Constant Field Values

WWW_AUTHENTICATE

public static final String WWW_AUTHENTICATE

See Also:: Constant Field Values

Class HttpHeaders

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ACCEPT

ACCEPT_CHARSET

ACCEPT_ENCODING

ACCEPT_LANGUAGE

ACCEPT_RANGES

AGE

ALLOW

AUTHORIZATION

CACHE_CONTROL

CONNECTION

CONTENT_ENCODING

CONTENT_LANGUAGE

CONTENT_LENGTH

CONTENT_LOCATION

CONTENT_MD5

CONTENT_RANGE

CONTENT_TYPE

DATE

DAV

DEPTH

DESTINATION

ETAG

EXPECT

EXPIRES

FROM

HOST

IF

IF_MATCH

IF_MODIFIED_SINCE

IF_NONE_MATCH

IF_RANGE

IF_UNMODIFIED_SINCE

KEEP_ALIVE

LAST_MODIFIED

LOCATION

LOCK_TOKEN

MAX_FORWARDS

OVERWRITE

PRAGMA

PROXY_AUTHENTICATE

PROXY_AUTHORIZATION

RANGE

REFERER

RETRY_AFTER

SERVER

STATUS_URI

TE

TIMEOUT

TRAILER

TRANSFER_ENCODING

UPGRADE

USER_AGENT

VARY

VIA

WARNING

WWW_AUTHENTICATE