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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.shiro.authc;
20  
21  /**
22   * A {@code HostAuthenticationToken} retains the host information from where
23   * an authentication attempt originates.
24   *
25   * @since 1.0
26   */
27  public interface HostAuthenticationToken extends AuthenticationToken {
28  
29      /**
30       * Returns the host name of the client from where the
31       * authentication attempt originates or if the Shiro environment cannot or
32       * chooses not to resolve the hostname to improve performance, this method
33       * returns the String representation of the client's IP address.
34       * <p/>
35       * When used in web environments, this value is usually the same as the
36       * {@code ServletRequest.getRemoteHost()} value.
37       *
38       * @return the fully qualified name of the client from where the
39       *         authentication attempt originates or the String representation
40       *         of the client's IP address is hostname resolution is not
41       *         available or disabled.
42       */
43      String getHost();
44  }