Package org.apache.http.impl.client

Class ProxyAuthenticationStrategy

java.lang.Object

org.apache.http.impl.client.ProxyAuthenticationStrategy

All Implemented Interfaces:

AuthenticationStrategy

@Immutable
public class ProxyAuthenticationStrategy
extends java.lang.Object

Default AuthenticationStrategy implementation for proxy host authentication.

Since:

4.2

Field Summary

Fields

Modifier and Type	Field	Description
static ProxyAuthenticationStrategy	INSTANCE

Constructor Summary

Constructors

Constructor	Description
ProxyAuthenticationStrategy()

Method Summary

Modifier and Type	Method	Description
void	authFailed(HttpHost authhost, AuthScheme authScheme, HttpContext context)	Callback invoked in case of unsuccessful authentication.
void	authSucceeded(HttpHost authhost, AuthScheme authScheme, HttpContext context)	Callback invoked in case of successful authentication.
java.util.Map<java.lang.String,Header>	getChallenges(HttpHost authhost, HttpResponse response, HttpContext context)	Extracts from the given HTTP response a collection of authentication challenges, each of which represents an authentication scheme supported by the authentication host.
boolean	isAuthenticationRequested(HttpHost authhost, HttpResponse response, HttpContext context)	Determines if the given HTTP response response represents an authentication challenge that was sent back as a result of authentication failure.
protected boolean	isCachable(AuthScheme authScheme)
java.util.Queue<AuthOption>	select(java.util.Map<java.lang.String,Header> challenges, HttpHost authhost, HttpResponse response, HttpContext context)	Selects one authentication challenge out of all available and creates and generates AuthOption instance capable of processing that challenge.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final ProxyAuthenticationStrategy INSTANCE

Constructor Detail

ProxyAuthenticationStrategy

public ProxyAuthenticationStrategy()

Method Detail

isAuthenticationRequested

public boolean isAuthenticationRequested(HttpHost authhost,
                                         HttpResponse response,
                                         HttpContext context)

Description copied from interface: AuthenticationStrategy

Determines if the given HTTP response response represents an authentication challenge that was sent back as a result of authentication failure.

Specified by:

isAuthenticationRequested in interface AuthenticationStrategy

Parameters:

authhost - authentication host.

response - HTTP response.

context - HTTP context.

Returns:

true if user authentication is required, false otherwise.

getChallenges

public java.util.Map<java.lang.String,Header> getChallenges(HttpHost authhost,
                                                                  HttpResponse response,
                                                                  HttpContext context)
                                                           throws MalformedChallengeException

Description copied from interface: AuthenticationStrategy

Extracts from the given HTTP response a collection of authentication challenges, each of which represents an authentication scheme supported by the authentication host.

Specified by:

getChallenges in interface AuthenticationStrategy

Parameters:

authhost - authentication host.

response - HTTP response.

context - HTTP context.

Returns:

a collection of challenges keyed by names of corresponding authentication schemes.

Throws:

MalformedChallengeException - if one of the authentication challenges is not valid or malformed.

select

public java.util.Queue<AuthOption> select(java.util.Map<java.lang.String,Header> challenges,
                                          HttpHost authhost,
                                          HttpResponse response,
                                          HttpContext context)
                                   throws MalformedChallengeException

Description copied from interface: AuthenticationStrategy

Selects one authentication challenge out of all available and creates and generates AuthOption instance capable of processing that challenge.

Specified by:

select in interface AuthenticationStrategy

Parameters:

challenges - collection of challenges.

authhost - authentication host.

response - HTTP response.

context - HTTP context.

Returns:

authentication auth schemes that can be used for authentication. Can be empty.

Throws:

MalformedChallengeException - if one of the authentication challenges is not valid or malformed.

authSucceeded

public void authSucceeded(HttpHost authhost,
                          AuthScheme authScheme,
                          HttpContext context)

Description copied from interface: AuthenticationStrategy

Callback invoked in case of successful authentication.

Specified by:

authSucceeded in interface AuthenticationStrategy

Parameters:

authhost - authentication host.

authScheme - authentication scheme used.

context - HTTP context.

isCachable

protected boolean isCachable(AuthScheme authScheme)

authFailed

public void authFailed(HttpHost authhost,
                       AuthScheme authScheme,
                       HttpContext context)

Description copied from interface: AuthenticationStrategy

Callback invoked in case of unsuccessful authentication.

Specified by:

authFailed in interface AuthenticationStrategy

Parameters:

authhost - authentication host.

authScheme - authentication scheme used.

context - HTTP context.