Package org.apache.storm.security.auth.kerberos

# Class ClientCallbackHandler

java.lang.Object
org.apache.storm.security.auth.kerberos.ClientCallbackHandler

All Implemented Interfaces:
  `CallbackHandler`

public class ClientCallbackHandler extends Object implements CallbackHandler
SASL client side callback handler.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ClientCallbackHandler(Map<String,Object> topoConf)`
  Constructor based on a JAAS configuration.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `handle(Callback[] callbacks)`
  This method is invoked by SASL for authentication challenges.

  ### Methods inherited from class java.lang.Object

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

- ## Constructor Details

  - ### ClientCallbackHandler

    public ClientCallbackHandler(Map<String,Object> topoConf) throws IOException
    Constructor based on a JAAS configuration.

    For digest, you should have a pair of user name and password defined in this figgure.

    Throws:
      `IOException`

- ## Method Details

  - ### handle

    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException
    This method is invoked by SASL for authentication challenges.
    Specified by:
      `handle` in interface `CallbackHandler`
    Parameters:
      `callbacks` - a collection of challenge callbacks
    Throws:
      `IOException`
      `UnsupportedCallbackException`