HttpHeader (Olingo-OData 4.5.0 API)

```
public interface HttpHeader
```
HTTP header constants.

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`ACCEPT` See HTTP/1.1 documentation.
`static String`	`ACCEPT_CHARSET` See HTTP/1.1 documentation.
`static String`	`ACCEPT_ENCODING` See HTTP/1.1 documentation.
`static String`	`ACCEPT_LANGUAGE` See HTTP/1.1 documentation.
`static String`	`ALLOW` See HTTP/1.1 documentation.
`static String`	`AUTHORIZATION` See HTTP/1.1 documentation.
`static String`	`CACHE_CONTROL` See HTTP/1.1 documentation.
`static String`	`CONTENT_ENCODING` See HTTP/1.1 documentation.
`static String`	`CONTENT_ID` See RFC 2392.
`static String`	`CONTENT_LANGUAGE` See HTTP/1.1 documentation.
`static String`	`CONTENT_LENGTH` See HTTP/1.1 documentation.
`static String`	`CONTENT_LOCATION` See HTTP/1.1 documentation.
`static String`	`CONTENT_TYPE` See HTTP/1.1 documentation.
`static String`	`COOKIE` See IETF RFC 2109.
`static String`	`DATE` See HTTP/1.1 documentation.
`static String`	`ETAG` See HTTP/1.1 documentation.
`static String`	`EXPECT` See RFC 7231.
`static String`	`EXPIRES` See HTTP/1.1 documentation.
`static String`	`FROM` See RFC 7231.
`static String`	`HOST` See HTTP/1.1 documentation.
`static String`	`IF_MATCH` See HTTP/1.1 documentation.
`static String`	`IF_MODIFIED_SINCE` See HTTP/1.1 documentation.
`static String`	`IF_NONE_MATCH` See HTTP/1.1 documentation.
`static String`	`IF_UNMODIFIED_SINCE` See HTTP/1.1 documentation.
`static String`	`LAST_MODIFIED` See HTTP/1.1 documentation.
`static String`	`LINK` See Web Linking (IETF RFC-5988) documentation.
`static String`	`LOCATION` See HTTP/1.1 documentation.
`static String`	`MAX_FORWARDS` See RFC 7231.
`static String`	`ODATA_ENTITY_ID` Custom Header defined in the OData standard.
`static String`	`ODATA_ISOLATION` Custom Header defined in the OData standard.
`static String`	`ODATA_MAX_VERSION` Custom Header defined in the OData standard.
`static String`	`ODATA_VERSION` Custom Header defined in the OData standard.
`static String`	`PREFER` OData Prefer Header.
`static String`	`PREFERENCE_APPLIED` OData Preference-Applied Header.
`static String`	`RANGE` See RFC 7233.
`static String`	`RETRY_AFTER` See HTTP/1.1 documentation.
`static String`	`SET_COOKIE` See IETF RFC 2109.
`static String`	`TE` See RFC 7230.
`static String`	`USER_AGENT` See HTTP/1.1 documentation.
`static String`	`VARY` See HTTP/1.1 documentation.
`static String`	`WWW_AUTHENTICATE` See HTTP/1.1 documentation.
`static String`	`X_HTTP_METHOD` Non standard header.
`static String`	`X_HTTP_METHOD_OVERRIDE` Non standard header.

- Field Detail
  - ACCEPT
```
static final String ACCEPT
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_CHARSET
```
static final String ACCEPT_CHARSET
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_ENCODING
```
static final String ACCEPT_ENCODING
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_LANGUAGE
```
static final String ACCEPT_LANGUAGE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ALLOW
```
static final String ALLOW
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - AUTHORIZATION
```
static final String AUTHORIZATION
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CACHE_CONTROL
```
static final String CACHE_CONTROL
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_ENCODING
```
static final String CONTENT_ENCODING
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_LANGUAGE
```
static final String CONTENT_LANGUAGE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_ID
```
static final String CONTENT_ID
```
    See RFC 2392.
    
    See Also:
    
    Constant Field Values
  - CONTENT_LENGTH
```
static final String CONTENT_LENGTH
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_LOCATION
```
static final String CONTENT_LOCATION
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE
```
static final String CONTENT_TYPE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - DATE
```
static final String DATE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - ETAG
```
static final String ETAG
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - EXPECT
```
static final String EXPECT
```
    See RFC 7231.
    
    See Also:
    
    Constant Field Values
  - EXPIRES
```
static final String EXPIRES
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - FROM
```
static final String FROM
```
    See RFC 7231.
    
    See Also:
    
    Constant Field Values
  - HOST
```
static final String HOST
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_MATCH
```
static final String IF_MATCH
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_MODIFIED_SINCE
```
static final String IF_MODIFIED_SINCE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_NONE_MATCH
```
static final String IF_NONE_MATCH
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - IF_UNMODIFIED_SINCE
```
static final String IF_UNMODIFIED_SINCE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - LAST_MODIFIED
```
static final String LAST_MODIFIED
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - LOCATION
```
static final String LOCATION
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - LINK
```
static final String LINK
```
    See Web Linking (IETF RFC-5988) documentation.
    
    See Also:
    
    Constant Field Values
  - MAX_FORWARDS
```
static final String MAX_FORWARDS
```
    See RFC 7231.
    
    See Also:
    
    Constant Field Values
  - PREFER
```
static final String PREFER
```
    OData Prefer Header. See OData Version 4.0 Part 1: Protocol and RFC 7240.
    
    See Also:
    
    Constant Field Values
  - PREFERENCE_APPLIED
```
static final String PREFERENCE_APPLIED
```
    OData Preference-Applied Header. See OData Version 4.0 Part 1: Protocol and RFC 7240.
    
    See Also:
    
    Constant Field Values
  - RANGE
```
static final String RANGE
```
    See RFC 7233.
    
    See Also:
    
    Constant Field Values
  - RETRY_AFTER
```
static final String RETRY_AFTER
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - TE
```
static final String TE
```
    See RFC 7230.
    
    See Also:
    
    Constant Field Values
  - USER_AGENT
```
static final String USER_AGENT
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - VARY
```
static final String VARY
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - WWW_AUTHENTICATE
```
static final String WWW_AUTHENTICATE
```
    See HTTP/1.1 documentation.
    
    See Also:
    
    Constant Field Values
  - COOKIE
```
static final String COOKIE
```
    See IETF RFC 2109.
    
    See Also:
    
    Constant Field Values
  - SET_COOKIE
```
static final String SET_COOKIE
```
    See IETF RFC 2109.
    
    See Also:
    
    Constant Field Values
  - X_HTTP_METHOD
```
static final String X_HTTP_METHOD
```
    Non standard header.
    
    See Also:
    
    Constant Field Values
  - X_HTTP_METHOD_OVERRIDE
```
static final String X_HTTP_METHOD_OVERRIDE
```
    Non standard header.
    
    See Also:
    
    Constant Field Values
  - ODATA_VERSION
```
static final String ODATA_VERSION
```
    Custom Header defined in the OData standard.
    
    See Also:
    
    Constant Field Values
  - ODATA_MAX_VERSION
```
static final String ODATA_MAX_VERSION
```
    Custom Header defined in the OData standard.
    
    See Also:
    
    Constant Field Values
  - ODATA_ENTITY_ID
```
static final String ODATA_ENTITY_ID
```
    Custom Header defined in the OData standard.
    
    See Also:
    
    Constant Field Values
  - ODATA_ISOLATION
```
static final String ODATA_ISOLATION
```
    Custom Header defined in the OData standard.
    
    See Also:
    
    Constant Field Values

Interface HttpHeader

Field Summary

Field Detail

ACCEPT

ACCEPT_CHARSET

ACCEPT_ENCODING

ACCEPT_LANGUAGE

ALLOW

AUTHORIZATION

CACHE_CONTROL

CONTENT_ENCODING

CONTENT_LANGUAGE

CONTENT_ID

CONTENT_LENGTH

CONTENT_LOCATION

CONTENT_TYPE

DATE

ETAG

EXPECT

EXPIRES

FROM

HOST

IF_MATCH

IF_MODIFIED_SINCE

IF_NONE_MATCH

IF_UNMODIFIED_SINCE

LAST_MODIFIED

LOCATION

LINK

MAX_FORWARDS

PREFER

PREFERENCE_APPLIED

RANGE

RETRY_AFTER

TE

USER_AGENT

VARY

WWW_AUTHENTICATE

COOKIE

SET_COOKIE

X_HTTP_METHOD

X_HTTP_METHOD_OVERRIDE

ODATA_VERSION

ODATA_MAX_VERSION

ODATA_ENTITY_ID

ODATA_ISOLATION