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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.syncope.sra.filters;
20  
21  import java.util.Optional;
22  import org.springframework.cloud.gateway.filter.GatewayFilter;
23  import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
24  
25  /**
26   * Base class for custom gateway filter factories.
27   */
28  public abstract class CustomGatewayFilterFactory
29          extends AbstractGatewayFilterFactory<CustomGatewayFilterFactory.Config> {
30  
31      public static final class Config {
32  
33          private String data;
34  
35          public String getData() {
36              return data;
37          }
38  
39          public void setData(final String data) {
40              this.data = data;
41          }
42      }
43  
44      public CustomGatewayFilterFactory() {
45          super(CustomGatewayFilterFactory.Config.class);
46      }
47  
48      public Optional<Integer> getOrder() {
49          return Optional.empty();
50      }
51  
52      @Override
53      public abstract GatewayFilter apply(Config config);
54  }