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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.web.filter.mgt;
20  
21  import javax.servlet.Filter;
22  import javax.servlet.FilterChain;
23  import java.util.List;
24  
25  /**
26   * A {@code NamedFilterList} is a {@code List} of {@code Filter} instances that is uniquely identified by a
27   * {@link #getName() name}.  It has the ability to generate new {@link FilterChain} instances reflecting this list's
28   * filter order via the {@link #proxy proxy} method.
29   *
30   * @since 1.0
31   */
32  public interface NamedFilterList extends List<Filter> {
33  
34      /**
35       * Returns the configuration-unique name assigned to this {@code Filter} list.
36       *
37       * @return the configuration-unique name assigned to this {@code Filter} list.
38       */
39      String getName();
40  
41      /**
42       * Returns a new {@code FilterChain} instance that will first execute this list's {@code Filter}s (in list order)
43       * and end with the execution of the given {@code filterChain} instance.
44       *
45       * @param filterChain the {@code FilterChain} instance to execute after this list's {@code Filter}s have executed.
46       * @return a new {@code FilterChain} instance that will first execute this list's {@code Filter}s (in list order)
47       *         and end with the execution of the given {@code filterChain} instance.
48       */
49      FilterChain proxy(FilterChain filterChain);
50  }