AdminAuthCallback.java

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package org.glassfish.common.util.admin;

import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import org.jvnet.hk2.annotations.Contract;

/**
 * Prescribes behavior of authentication callbacks which modules can implement
 * to provide callback behavior without the authentication logic needing to 
 * know about specific implementations ahead of time.
 * 
 * @author tjquinn
 */
@Contract
public interface AdminAuthCallback extends Callback {
    /**
     * Prescribes behavior of callbacks that use request-time data in making
     * their decisions.
     * <p>
     * Token-based authentication, for example, uses a token conveyed with the
     * request as a stand-in for username/password-based authentication.  To
     * keep inter-module dependencies simpler an implementation will probably
     * check the type of the data and then cast it if appropriate.
     */
    public interface RequestAccepter extends AdminAuthCallback {
        public void setRequest(Object data);
    }
    
    public interface Validator extends AdminAuthCallback {
        public boolean isValid();
    }
    
    public interface Authenticator extends AdminAuthCallback {
        public Subject getSubject();
    }
}