/*
 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/cookie/ClientCookie.java $
 * $Revision: 578403 $
 * $Date: 2007-09-22 03:56:04 -0700 (Sat, 22 Sep 2007) $
 *
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.http.cookie;

/**
 * ClientCookie extends the standard {@link Cookie} interface with 
 * additional client specific functionality such ability to retrieve 
 * original cookie attributes exactly as they were specified by the 
 * origin server. This is important for generating the <tt>Cookie</tt> 
 * header because some cookie specifications require that the 
 * <tt>Cookie</tt> header should include certain attributes only if 
 * they were specified in the <tt>Set-Cookie</tt> header.
 * 
 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
 * 
 * @since 4.0
 */
public interface ClientCookie extends Cookie {

    // RFC2109 attributes
    public static final String VERSION_ATTR    = "version";
    public static final String PATH_ATTR       = "path";
    public static final String DOMAIN_ATTR     = "domain";
    public static final String MAX_AGE_ATTR    = "max-age";
    public static final String SECURE_ATTR     = "secure";
    public static final String COMMENT_ATTR    = "comment";
    public static final String EXPIRES_ATTR    = "expires";
    
    // RFC2965 attributes
    public static final String PORT_ATTR       = "port";
    public static final String COMMENTURL_ATTR = "commenturl";
    public static final String DISCARD_ATTR    = "discard";
    
    String getAttribute(String name);
    
    boolean containsAttribute(String name);
    
}