spnegocredentialstoprincipalresolver.java

来自「CAS在Tomcat中实现单点登录项目,单点登录（Single Sign On 」· Java 代码 · 共 33 行

/*
 * Copyright 2007 The JA-SIG Collaborative. All rights reserved. See license
 * distributed with this file and available online at
 * http://www.uportal.org/license.html
 */
package org.jasig.cas.support.spnego.authentication.principal;

import org.jasig.cas.authentication.principal.AbstractPersonDirectoryCredentialsToPrincipalResolver;
import org.jasig.cas.authentication.principal.Credentials;

/**
 * Implementation of a CredentialToPrincipalResolver that takes a
 * SpnegoCredentials and returns a SimplePrincipal.
 * 
 * @author Arnaud Lesueur
 * @author Marc-Antoine Garrigue
 * @version $Revision: 42233 $ $Date: 2007-06-11 11:59:18 -0400 (Mon, 11 Jun
 * 2007) $
 * @since 3.1
 */
public final class SpnegoCredentialsToPrincipalResolver extends
    AbstractPersonDirectoryCredentialsToPrincipalResolver {

    protected String extractPrincipalId(final Credentials credentials) {
        return ((SpnegoCredentials) credentials).getPrincipal().getId();
    }

    public boolean supports(final Credentials credentials) {
        return credentials != null
            && SpnegoCredentials.class.equals(credentials.getClass());
    }
}