org.eclipse.jgit.internal.transport.sshd.auth

Class GssApiAuthentication<ParameterType,TokenType>

java.lang.Object

org.eclipse.jgit.internal.transport.sshd.auth.AbstractAuthenticationHandler<ParameterType,TokenType>

org.eclipse.jgit.internal.transport.sshd.auth.GssApiAuthentication<ParameterType,TokenType>

Type Parameters:

ParameterType - defining the parameter type for the authentication

TokenType - defining the token type for the authentication

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, AuthenticationHandler<ParameterType,TokenType>

Direct Known Subclasses:

HttpClientConnector.NegotiateAuthentication, Socks5ClientConnector.SocksGssApiAuthentication

public abstract class GssApiAuthentication<ParameterType,TokenType>
extends AbstractAuthenticationHandler<ParameterType,TokenType>

An abstract implementation of a GSS-API multi-round authentication.

Field Summary

Fields

Modifier and Type	Field and Description
private org.ietf.jgss.GSSContext	context
protected byte[]	token The last token generated.

Fields inherited from class org.eclipse.jgit.internal.transport.sshd.auth.AbstractAuthenticationHandler

done, params, proxy

Constructor Summary

Constructors

Constructor and Description
GssApiAuthentication(java.net.InetSocketAddress proxy) Creates a new GssApiAuthentication to authenticate with the given proxy.

Method Summary

Modifier and Type	Method and Description
private void	checkDone()
void	close()
protected abstract org.ietf.jgss.GSSContext	createContext() Creates the GSSContext to use.
protected abstract byte[]	extractToken(ParameterType input) Extracts the token from the last set parameters.
void	process() Produces the next authentication token, if any.
void	start() Produces the initial authentication token that can be then retrieved via AuthenticationHandler.getToken().

Methods inherited from class org.eclipse.jgit.internal.transport.sshd.auth.AbstractAuthenticationHandler

isDone, setParams

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jgit.internal.transport.sshd.auth.AuthenticationHandler

getToken

Field Detail

context

private org.ietf.jgss.GSSContext context

token

protected byte[] token

The last token generated.

Constructor Detail

GssApiAuthentication

public GssApiAuthentication(java.net.InetSocketAddress proxy)

Creates a new GssApiAuthentication to authenticate with the given proxy.

Parameters:

proxy - the InetSocketAddress of the proxy to connect to

Method Detail

close

public void close()

start

public final void start()
                 throws java.lang.Exception

Description copied from interface: AuthenticationHandler

Produces the initial authentication token that can be then retrieved via AuthenticationHandler.getToken().

Throws:

java.lang.Exception - if an error occurs

process

public final void process()
                   throws java.lang.Exception

Description copied from interface: AuthenticationHandler

Produces the next authentication token, if any.

Throws:

java.lang.Exception - if an error occurs

checkDone

private void checkDone()
                throws java.lang.Exception

Throws:

java.lang.Exception

createContext

protected abstract org.ietf.jgss.GSSContext createContext()
                                                   throws java.lang.Exception

Creates the GSSContext to use.

Returns:

a fresh GSSContext to use

Throws:

java.lang.Exception - if the context cannot be created

extractToken

protected abstract byte[] extractToken(ParameterType input)
                                throws java.lang.Exception

Extracts the token from the last set parameters.

Parameters:

input - to extract the token from

Returns:

the extracted token, or null if none

Throws:

java.lang.Exception - if an error occurs