org.apache.catalina.realm

Class JAASCallbackHandler

java.lang.Object

org.apache.catalina.realm.JAASCallbackHandler

All Implemented Interfaces:

CallbackHandler

public class JAASCallbackHandler
extends Object
implements 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: 2005/12/08 01:27:52 $

Author:

Craig R. McClanahan

Field Summary

Fields

Modifier and Type	Field and Description
protected char[]	password The password to be authenticated with.
protected JAASRealm	realm The associated JAASRealm instance.
protected String	username The username to be authenticated with.

Constructor Summary

Constructors

Constructor and Description
JAASCallbackHandler(JAASRealm realm, String username, char[] password) Construct a callback handler configured with the specified values.

Method Summary

Modifier and Type	Method and Description
void	handle(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 char[] password

The password to be authenticated with.

realm

protected JAASRealm realm

The associated JAASRealm instance.

username

protected String username

The username to be authenticated with.

Constructor Detail

JAASCallbackHandler

public JAASCallbackHandler(JAASRealm realm,
                           String username,
                           char[] 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(Callback[] callbacks)
            throws IOException,
                   UnsupportedCallbackException

Retrieve the information requested in the provided Callbacks. This implementation only recognizes NameCallback and PasswordCallback instances.

Specified by:

handle in interface CallbackHandler

Parameters:

callbacks - The set of callbacks to be processed

Throws:

IOException - if an input/output error occurs

UnsupportedCallbackException - if the login method requests an unsupported callback type