http://hc.apache.org/httpcomponents-client: Apache HttpComponents Client (The Apache Software Foundation)
  • Julius Davies
  • Andrea Selva
  • Steffen Pingel
  • Quintin Beukes
  • Marc Beyerle
  • James Abley
  • Michajlo Matijkiw 
/*
 * ====================================================================
 * 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.client;

import org.apache.http.protocol.HttpContext;


A handler for determining if the given execution context is user specific or not. The token object returned by this handler is expected to uniquely identify the current user if the context is user specific or to be null if the context does not contain any resources or details specific to the current user. 

The user token will be used to ensure that user specific resources will not
be shared with or reused by other users.



Since:4.0
/**
 * A handler for determining if the given execution context is user specific
 * or not. The token object returned by this handler is expected to uniquely
 * identify the current user if the context is user specific or to be
 * {@code null} if the context does not contain any resources or details
 * specific to the current user.
 * <p>
 * The user token will be used to ensure that user specific resources will not
 * be shared with or reused by other users.
 * </p>
 *
 * @since 4.0
 */
public interface UserTokenHandler {

    
The token object returned by this method is expected to uniquely identify the current user if the context is user specific or to be null if it is not. 
Params:
  • context – the execution context
Returns:user token that uniquely identifies the user or null if the context is not user specific.
/**
     * The token object returned by this method is expected to uniquely
     * identify the current user if the context is user specific or to be
     * {@code null} if it is not.
     *
     * @param context the execution context
     *
     * @return user token that uniquely identifies the user or
     * {@code null} if the context is not user specific.
     */
    Object getUserToken(HttpContext context);

}