Package org.apache.gravitino.client

Class KerberosTokenProvider

java.lang.Object

org.apache.gravitino.client.KerberosTokenProvider

All Implemented Interfaces:

Closeable, AutoCloseable

public final class KerberosTokenProvider
extends Object

KerberosTokenProvider will get Kerberos token using GSS context negotiation and then provide the access token for every request.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	KerberosTokenProvider.Builder	Builder class for configuring and creating instances of KerberosTokenProvider.

Method Summary

Modifier and Type	Method	Description
static KerberosTokenProvider.Builder	builder()	Creates a new instance of the KerberosTokenProvider.Builder
void	close()	Closes the KerberosTokenProvider and releases any underlying resources.
byte[]	getTokenData()	Acquire the data of token for authentication.
boolean	hasTokenData()	Judge whether AuthDataProvider can provide token data.

Methods inherited from class java.lang.Object

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

Method Details

hasTokenData

public boolean hasTokenData()

Judge whether AuthDataProvider can provide token data.

Returns:

true if the AuthDataProvider can provide token data otherwise false.

getTokenData

public byte[] getTokenData()

Acquire the data of token for authentication. The client will set the token data as HTTP header Authorization directly. So the return value should ensure token data contain the token header (eg: Bearer, Basic) if necessary.

Returns:

the token data is used for authentication.

close

public void close()
           throws IOException

Closes the KerberosTokenProvider and releases any underlying resources.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

builder

public static KerberosTokenProvider.Builder builder()

Creates a new instance of the KerberosTokenProvider.Builder

Returns:

A new instance of KerberosTokenProvider.Builder