cas10protocolvalidationspecification.java

CAS在Tomcat中实现单点登录项目,单点登录（Single Sign On , 简称 SSO ）是目前比较流行的服务于企业业务整合的解决方案之一

/*
 * Copyright 2007 The JA-SIG Collaborative. All rights reserved. See license
 * distributed with this file and available online at
 * http://www.ja-sig.org/products/cas/overview/license/
 */
package org.jasig.cas.validation;

/**
 * Validation specification for the CAS 1.0 protocol. This specification checks
 * for the presence of renew=true and if requested, succeeds only if ticket
 * validation is occurring from a new login. Additionally, validation will fail
 * if passed a proxy ticket.
 * 
 * @author Scott Battaglia
 * @author Drew Mazurek
 * @version $Revision: 42053 $ $Date: 2007-06-10 09:17:55 -0400 (Sun, 10 Jun 2007) $
 * @since 3.0
 */
public final class Cas10ProtocolValidationSpecification extends
    AbstractCasProtocolValidationSpecification {

    public Cas10ProtocolValidationSpecification() {
        super();
    }

    public Cas10ProtocolValidationSpecification(final boolean renew) {
        super(renew);
    }

    protected boolean isSatisfiedByInternal(final Assertion assertion) {
        return (assertion.getChainedAuthentications().size() == 1);
    }
}