org.apache.catalina.realm
Class JAASCallbackHandler

java.lang.Object
  extended byorg.apache.catalina.realm.JAASCallbackHandler
All Implemented Interfaces:
javax.security.auth.callback.CallbackHandler

public class JAASCallbackHandler
extends java.lang.Object
implements javax.security.auth.callback.CallbackHandler

Implementation of the JAAS CallbackHandler interface, used to negotiate delivery of the username and credentials that were specified to our constructor. No interaction with the user is required (or possible).

Version:
$Revision: 1.2 $ $Date: 2004/08/26 21:37:21 $
Author:
Craig R. McClanahan

Field Summary
protected  java.lang.String password
          The password to be authenticated with.
protected  JAASRealm realm
          The associated JAASRealm instance.
protected  java.lang.String username
          The username to be authenticated with.
 
Constructor Summary
JAASCallbackHandler(JAASRealm realm, java.lang.String username, java.lang.String password)
          Construct a callback handler configured with the specified values.
 
Method Summary
 void handle(javax.security.auth.callback.Callback[] callbacks)
          Retrieve the information requested in the provided Callbacks.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

password

protected java.lang.String password
The password to be authenticated with.


realm

protected JAASRealm realm
The associated JAASRealm instance.


username

protected java.lang.String username
The username to be authenticated with.

Constructor Detail

JAASCallbackHandler

public JAASCallbackHandler(JAASRealm realm,
                           java.lang.String username,
                           java.lang.String password)
Construct a callback handler configured with the specified values.

Parameters:
realm - Our associated JAASRealm instance
username - Username to be authenticated with
password - Password to be authenticated with
Method Detail

handle

public void handle(javax.security.auth.callback.Callback[] callbacks)
            throws java.io.IOException,
                   javax.security.auth.callback.UnsupportedCallbackException
Retrieve the information requested in the provided Callbacks. This implementation only recognizes NameCallback and PasswordCallback instances.

Specified by:
handle in interface javax.security.auth.callback.CallbackHandler
Parameters:
callbacks - The set of callbacks to be processed
Throws:
java.io.IOException - if an input/output error occurs
javax.security.auth.callback.UnsupportedCallbackException - if the login method requests an unsupported callback type


Copyright 2000-2002 Apache Software Foundation. All Rights Reserved.