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1   /*
2    * $Id: Interceptor.java 502296 2007-02-01 17:33:39Z niallp $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  package org.apache.struts2.spi;
22  
23  /***
24   * Intercepts an action request.
25   *
26   * @author crazybob@google.com (Bob Lee)
27   */
28  public interface Interceptor {
29  
30      /***
31       * Intercepts an action request.
32       *
33       * @param requestContext current request context
34       */
35      String intercept(RequestContext requestContext) throws Exception;
36  }