/* Copyright 2001 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.portal.security.provider;
import java.util.Enumeration;
import org.jasig.portal.security.ISecurityContext;
import org.jasig.portal.security.PortalSecurityException;
/**
* <p>A simple extension of ChainingSecurityContext that acts merely as a placeholder
* but considers itself in an "authenticated" state if any of its subcontexts
* are "authenticated."</p>
*
* @author Shawn Bayern
* @version $Revision: 1.8 $ $Date: 2005/04/19 01:32:28 $
*/
class UnionSecurityContext extends ChainingSecurityContext {
private final int UNION_SECURITY_AUTHTYPE = 0xFF0A;
public int getAuthType() {
return this.UNION_SECURITY_AUTHTYPE;
}
public synchronized void authenticate() throws PortalSecurityException {
// lets chaining invoke authetication on all subcontexts
// then sets resulting principal, descriptor and isauth based on
// first authenticated context.
super.authenticate();
Enumeration e = getSubContexts();
while (e.hasMoreElements()) {
ISecurityContext subCtx = (ISecurityContext) e.nextElement();
if (subCtx.isAuthenticated()) {
this.myPrincipal=(ChainingPrincipal)subCtx.getPrincipal();
this.myAdditionalDescriptor=subCtx.getAdditionalDescriptor();
this.isauth=true;
break;
}
}
}
public String toString(){
StringBuffer sb = new StringBuffer();
sb.append(this.getClass().getName());
sb.append(" principal:").append(this.myPrincipal);
sb.append(" additionalDescriptor:").append(this.myAdditionalDescriptor);
sb.append(" isAuth:").append(this.isauth);
sb.append(this.mySubContexts);
return sb.toString();
}
}