/* * Copyright (c) 2001 Sun Microsystems, Inc.  All rights reserved. * * 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 the *       Sun Microsystems, Inc. for Project JXTA." *    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. * ==================================================================== * * 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. * * $Id: CredentialPCLSupport.java,v 1.4 2006/01/13 22:41:07 bondolo Exp $ */package net.jxta.credential;import java.beans.PropertyChangeListener;/***   Provides Property Change Listener support for Credentials. **/public interface CredentialPCLSupport {        /**     *  Property name for the expired bound property.     **/    public final static String EXPIRED_CREDENTIAL_PROPERTY = "expired";        /**     *  Property name for valid bound property.     **/    public final static String VALID_CREDENTIAL_PROPERTY = "valid";        /**     *  Add a listener     *     *  @param listener the listener     **/    public void addPropertyChangeListener( PropertyChangeListener listener );        /**     *  Add a listener. Available properties from all Credentials are :      *           *      <p/><ul>     *          <li><code>expired</code></li>     *          <li><code>valid</code></li>     *      </ul>     *     *  @param propertyName the property to watch     *  @param listener the listener     **/    public void addPropertyChangeListener( String propertyName, PropertyChangeListener listener );        /**     *  Remove a listener     *     *  @param listener the listener     **/    public void removePropertyChangeListener( PropertyChangeListener listener );        /**     *  Remove a listener     *     *  @param propertyName the property which was watched     *  @param listener the listener     **/    public void removePropertyChangeListener( String propertyName, PropertyChangeListener listener );}