public abstract class AuthPolicy extends Object
The following specifications are provided:
Modifier and Type | Field and Description |
---|---|
static String |
AUTH_SCHEME_PRIORITY
The key used to look up the list of IDs of supported
authentication schemes in their order of preference. |
static String |
BASIC
Basic authentication scheme as defined in RFC2617 (considered inherently
insecure, but most widely supported)
|
static String |
DIGEST
Digest authentication scheme as defined in RFC2617.
|
static String |
NTLM
The NTLM scheme is a proprietary Microsoft Windows Authentication
protocol (considered to be the most secure among currently supported
authentication schemes).
|
Constructor and Description |
---|
AuthPolicy() |
Modifier and Type | Method and Description |
---|---|
static AuthScheme |
getAuthScheme(String id)
Gets the
authentication scheme with the given ID. |
static List |
getDefaultAuthPrefs()
Returns a list containing all registered
authentication
schemes in their default order. |
static void |
registerAuthScheme(String id,
Class clazz)
Registers a class implementing an
authentication scheme with
the given identifier. |
static void |
unregisterAuthScheme(String id)
Unregisters the class implementing an
authentication scheme with
the given ID. |
public static final String AUTH_SCHEME_PRIORITY
authentication schemes
in their order of preference. The scheme IDs are
stored in a Collection
as String
s.
If several schemes are returned in the WWW-Authenticate
or Proxy-Authenticate header, this parameter defines which
authentication schemes
takes precedence over others.
The first item in the collection represents the most preferred
authentication scheme
, the last item represents the ID
of the least preferred one.
DefaultHttpParams
,
Constant Field Valuespublic static final String NTLM
public static final String DIGEST
public static final String BASIC
public static void registerAuthScheme(String id, Class clazz)
authentication scheme
with
the given identifier. If a class with the given ID already exists it will be overridden.
This ID is the same one used to retrieve the authentication scheme
from getAuthScheme(String)
.
Please note that custom authentication preferences, if used, need to be updated accordingly
for the new authentication scheme
to take effect.
id
- the identifier for this schemeclazz
- the class to registergetAuthScheme(String)
,
AUTH_SCHEME_PRIORITY
public static void unregisterAuthScheme(String id)
authentication scheme
with
the given ID.id
- the ID of the class to unregisterpublic static AuthScheme getAuthScheme(String id) throws IllegalStateException
authentication scheme
with the given ID.id
- the authentication scheme
IDauthentication scheme
IllegalStateException
- if a scheme with the ID cannot be foundpublic static List getDefaultAuthPrefs()
authentication
schemes
in their default order.authentication scheme
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