content: /**
   * 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.
   */
  package org.apache.ambari.view;
  
  import java.net.HttpURLConnection;
  
  /**
   * Interface for views to impersonate users over HTTP request.
   *
   * @deprecated  As of release 2.0, replaced by
   *              {@link URLStreamProvider#readAs(String, String, String, java.util.Map, String)}
   */
  @Deprecated
  public interface HttpImpersonator {
  
    /**
     * @param conn HTTP connection that will be modified and returned
     * @param type HTTP Request type: GET, PUT, POST, DELETE, etc.
     * @return HTTP Connection object with the "doAs" query param set to the currently logged on user.
     */
    public HttpURLConnection doAs(HttpURLConnection conn, String type);
  
    /**
     * @param conn HTTP connection that will be modified and returned
     * @param type HTTP Request type: GET, PUT, POST, DELETE, etc.
     * @param username Username to impersonate
     * @param doAsParamName Query param, typically "doAs"
     * @return HTTP Connection object with the doAs query param set to the provider username.
     */
    public HttpURLConnection doAs(HttpURLConnection conn, String type, String username, String doAsParamName);
  
    /**
     * Returns the result of the HTTP request by setting the "doAs" impersonation for the query param and username
     * in @param impersonatorSetting.
     * @param urlToRead URL to request
     * @param requestType HTTP Request type: GET, PUT, POST, DELETE, etc.
     * @param impersonatorSetting Setting class with default values for username and doAs param name.
     *                           To use different values, call the setters of the object.
     * @return Return a response as a String
     */
    public String requestURL(String urlToRead, String requestType, ImpersonatorSetting impersonatorSetting);
  }
  