java.lang.Object
- org.trellisldp.common.HttpConstants

```
public final class HttpConstants
extends Object
```
A collection of constant values used by the Trellis HTTP layer.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ACCEPT_DATETIME`	The name of the HTTP request header used for Memento datetime negotiation.
`static String`	`ACCEPT_PATCH`	The name of the HTTP response header used to indicate the acceptable formats for PATCH requests.
`static String`	`ACCEPT_POST`	The name of the HTTP response header used to indicate the acceptable RDF formats in POST requests.
`static String`	`ACCEPT_RANGES`	The name of the HTTP response header used to indicate the acceptable forms of range requests.
`static String`	`ACL`	The ext parameter for ACL resources.
`static String`	`ACL_QUERY_PARAM`	The query parameter for ACL resources.
`static String`	`APPLICATION_LINK_FORMAT`	The default Memento TimeMap output format.
`static String`	`CONFIG_HTTP_BASE_URL`	Configuration key defining the server's base URL.
`static String`	`CONFIG_HTTP_EXTENSION_GRAPHS`	Configuration key defining the extension graph mapping.
`static String`	`CONFIG_HTTP_JSONLD_PROFILE`	Configuration key defining the default JSON-LD profile.
`static String`	`CONFIG_HTTP_LDP_MODEL_MODIFICATIONS`	Configuration key defining whether LDP interaction model modifications are supported.
`static String`	`CONFIG_HTTP_MEMENTO_HEADER_DATES`	Configuration key defining whether to include dates in memento headers.
`static String`	`CONFIG_HTTP_PATCH_CREATE`	Configuration key defining whether PATCH requests can create resources.
`static String`	`CONFIG_HTTP_PRECONDITION_REQUIRED`	Configuration key defining whether to require precondition headers for PUT operations.
`static String`	`CONFIG_HTTP_PURGE_BINARY_ON_DELETE`	Configuration key to purge binaries on delete.
`static String`	`CONFIG_HTTP_PUT_UNCONTAINED`	Configuration key defining whether PUT-on-create generates contained or uncontained resources.
`static String`	`CONFIG_HTTP_VERSIONING`	Configuration key defining whether versions are created in the HTTP layer.
`static String`	`CONFIG_HTTP_WEAK_ETAG`	Configuration key defining whether to use weak ETags for RDF responses.
`static String`	`DATETIME`	The Memento link parameter to indicate the datetime of a Memento.
`static Set<IRI>`	`DEFAULT_REPRESENTATION`	The implied or default set of IRIs used with a Prefer header.
`static String`	`DESCRIPTION`	The Trellis ext parameter value used for accessing the description of an LDP-NR.
`static String`	`EXT`	The Trellis query parameter for extended features of a given resource.
`static String`	`FROM`	The Memento link parameter indicating the beginning range of a TimeMap.
`static String`	`MEMENTO`	The Memento link relation for mementos.
`static String`	`MEMENTO_DATETIME`	The name of the HTTP response header used to indicate the date of a Memento resource.
`static String`	`ORIGINAL`	The Memento link relation for original resources.
`static int`	`PRECONDITION_REQUIRED`	The name of the HTTP response code for a Precondition Required error.
`static String`	`PREFER`	The name of the HTTP request header used to influence what information is included in responses.
`static String`	`PREFERENCE_APPLIED`	The name of the HTTP response header used to indicate how the Prefer header was applied.
`static String`	`RANGE`	The name of the HTTP request header used to make range requests.
`static String`	`SLUG`	The name of the HTTP request header used to indicate the desired name for a new resource.
`static String`	`TIMEGATE`	The Memento link relation for TimeGate resources.
`static String`	`TIMEMAP`	The Memento link relation for TimeMap resources.
`static String`	`UNTIL`	The Memento link parameter indicating the ending range of a TimeMap.

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

- Field Detail
  - ACCEPT_DATETIME
```
public static final String ACCEPT_DATETIME
```
    The name of the HTTP request header used for Memento datetime negotiation.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_PATCH
```
public static final String ACCEPT_PATCH
```
    The name of the HTTP response header used to indicate the acceptable formats for PATCH requests.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_POST
```
public static final String ACCEPT_POST
```
    The name of the HTTP response header used to indicate the acceptable RDF formats in POST requests.
    
    See Also:
    
    Constant Field Values
  - ACCEPT_RANGES
```
public static final String ACCEPT_RANGES
```
    The name of the HTTP response header used to indicate the acceptable forms of range requests.
    
    See Also:
    
    Constant Field Values
  - ACL
```
public static final String ACL
```
    The ext parameter for ACL resources.
    
    See Also:
    
    Constant Field Values
  - ACL_QUERY_PARAM
```
public static final String ACL_QUERY_PARAM
```
    The query parameter for ACL resources.
    
    See Also:
    
    Constant Field Values
  - APPLICATION_LINK_FORMAT
```
public static final String APPLICATION_LINK_FORMAT
```
    The default Memento TimeMap output format.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_LDP_MODEL_MODIFICATIONS
```
public static final String CONFIG_HTTP_LDP_MODEL_MODIFICATIONS
```
    Configuration key defining whether LDP interaction model modifications are supported.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_BASE_URL
```
public static final String CONFIG_HTTP_BASE_URL
```
    Configuration key defining the server's base URL.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_EXTENSION_GRAPHS
```
public static final String CONFIG_HTTP_EXTENSION_GRAPHS
```
    Configuration key defining the extension graph mapping.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_MEMENTO_HEADER_DATES
```
public static final String CONFIG_HTTP_MEMENTO_HEADER_DATES
```
    Configuration key defining whether to include dates in memento headers.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_WEAK_ETAG
```
public static final String CONFIG_HTTP_WEAK_ETAG
```
    Configuration key defining whether to use weak ETags for RDF responses.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_JSONLD_PROFILE
```
public static final String CONFIG_HTTP_JSONLD_PROFILE
```
    Configuration key defining the default JSON-LD profile.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_PRECONDITION_REQUIRED
```
public static final String CONFIG_HTTP_PRECONDITION_REQUIRED
```
    Configuration key defining whether to require precondition headers for PUT operations.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_PATCH_CREATE
```
public static final String CONFIG_HTTP_PATCH_CREATE
```
    Configuration key defining whether PATCH requests can create resources.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_PUT_UNCONTAINED
```
public static final String CONFIG_HTTP_PUT_UNCONTAINED
```
    Configuration key defining whether PUT-on-create generates contained or uncontained resources.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_PURGE_BINARY_ON_DELETE
```
public static final String CONFIG_HTTP_PURGE_BINARY_ON_DELETE
```
    Configuration key to purge binaries on delete.
    
    See Also:
    
    Constant Field Values
  - CONFIG_HTTP_VERSIONING
```
public static final String CONFIG_HTTP_VERSIONING
```
    Configuration key defining whether versions are created in the HTTP layer.
    
    See Also:
    
    Constant Field Values
  - EXT
```
public static final String EXT
```
    The Trellis query parameter for extended features of a given resource.
    
    See Also:
    
    Constant Field Values
  - DATETIME
```
public static final String DATETIME
```
    The Memento link parameter to indicate the datetime of a Memento.
    
    See Also:
    
    Constant Field Values
  - DESCRIPTION
```
public static final String DESCRIPTION
```
    The Trellis ext parameter value used for accessing the description of an LDP-NR.
    
    See Also:
    
    Constant Field Values
  - FROM
```
public static final String FROM
```
    The Memento link parameter indicating the beginning range of a TimeMap.
    
    See Also:
    
    Constant Field Values
  - MEMENTO
```
public static final String MEMENTO
```
    The Memento link relation for mementos.
    
    See Also:
    
    Constant Field Values
  - MEMENTO_DATETIME
```
public static final String MEMENTO_DATETIME
```
    The name of the HTTP response header used to indicate the date of a Memento resource.
    
    See Also:
    
    Constant Field Values
  - ORIGINAL
```
public static final String ORIGINAL
```
    The Memento link relation for original resources.
    
    See Also:
    
    Constant Field Values
  - PRECONDITION_REQUIRED
```
public static final int PRECONDITION_REQUIRED
```
    The name of the HTTP response code for a Precondition Required error.
    
    See Also:
    
    Constant Field Values
  - PREFER
```
public static final String PREFER
```
    The name of the HTTP request header used to influence what information is included in responses.
    
    See Also:
    
    Constant Field Values
  - PREFERENCE_APPLIED
```
public static final String PREFERENCE_APPLIED
```
    The name of the HTTP response header used to indicate how the Prefer header was applied.
    
    See Also:
    
    Constant Field Values
  - RANGE
```
public static final String RANGE
```
    The name of the HTTP request header used to make range requests.
    
    See Also:
    
    Constant Field Values
  - SLUG
```
public static final String SLUG
```
    The name of the HTTP request header used to indicate the desired name for a new resource.
    
    See Also:
    
    Constant Field Values
  - TIMEGATE
```
public static final String TIMEGATE
```
    The Memento link relation for TimeGate resources.
    
    See Also:
    
    Constant Field Values
  - TIMEMAP
```
public static final String TIMEMAP
```
    The Memento link relation for TimeMap resources.
    
    See Also:
    
    Constant Field Values
  - UNTIL
```
public static final String UNTIL
```
    The Memento link parameter indicating the ending range of a TimeMap.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_REPRESENTATION
```
public static final Set<IRI> DEFAULT_REPRESENTATION
```
    The implied or default set of IRIs used with a Prefer header.

Class HttpConstants

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ACCEPT_DATETIME

ACCEPT_PATCH

ACCEPT_POST

ACCEPT_RANGES

ACL

ACL_QUERY_PARAM

APPLICATION_LINK_FORMAT

CONFIG_HTTP_LDP_MODEL_MODIFICATIONS

CONFIG_HTTP_BASE_URL

CONFIG_HTTP_EXTENSION_GRAPHS

CONFIG_HTTP_MEMENTO_HEADER_DATES

CONFIG_HTTP_WEAK_ETAG

CONFIG_HTTP_JSONLD_PROFILE

CONFIG_HTTP_PRECONDITION_REQUIRED

CONFIG_HTTP_PATCH_CREATE

CONFIG_HTTP_PUT_UNCONTAINED

CONFIG_HTTP_PURGE_BINARY_ON_DELETE

CONFIG_HTTP_VERSIONING

EXT

DATETIME

DESCRIPTION

FROM

MEMENTO

MEMENTO_DATETIME

ORIGINAL

PRECONDITION_REQUIRED

PREFER

PREFERENCE_APPLIED

RANGE

SLUG

TIMEGATE

TIMEMAP

UNTIL

DEFAULT_REPRESENTATION