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/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.membership;
import net.jxta.credential.AuthenticationCredential;
/**
* An Authenticator is returned by the
* {@linkplain MembershipService#apply(AuthenticationCredential) apply()} to the
* Membership Service of a peergroup. The Membership
When the authenticator has been completed it is
* returned to the Membership Service via the "Join" operation.
*
* The mechanism for completing the authentication object is unique for each
* authentication method. (That's the whole point of writing a Membership
* Service). The only common operation is isReadyForJoin, which
* provides information as to whether you have completed the authenticator
* correctly.
*
* @see net.jxta.membership.MembershipService
* @see net.jxta.credential.Credential
* @see net.jxta.credential.AuthenticationCredential
*/
public interface Authenticator {
/**
* Returns the name of this authentication method. This should be the same
* name which was used in the Authentication credential.
*
* @return String containing the name of this authentication method.
**/
public String getMethodName();
/**
* Return the Authentication Credential associated with this authenticator,
* if any.
*
* @return the AutheticationCredential which was provided to the
* {@link MembershipService#apply(AuthenticationCredential)}.
**/
public AuthenticationCredential getAuthenticationCredential();
/**
* Returns the service which generated this authenticator. This is the
* service which provided this authenticator and the service which will
* accept this authenticator when the authenticator is
* completed.
*
* @return the MembershipService service associated with this authenticator.
**/
public MembershipService getSourceService();
/**
* Returns true if this Authenticator has been satisfied and is ready
* for submission to {@link MembershipService#join(Authenticator)}. Some
* authenticators may behave asynchronously and this method can be used to
* determine if the authentication process has completed.
* This method provides no distinction between incomplete authentication
* and failed authentication.
*
* @see MembershipService#join(Authenticator)
*
* @return true if the authenticator object is complete and ready for
* submitting to the Membership Service service for
* {@link MembershipService#join(Authenticator)}, otherwise false.
**/
public boolean isReadyForJoin();
}