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1   /*
2    * Copyright 2022 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.bremersee.apiclient.webflux.contract.spring;
18  
19  import org.bremersee.apiclient.webflux.Invocation;
20  import org.springframework.util.LinkedMultiValueMap;
21  import org.springframework.util.MultiValueMap;
22  import org.springframework.web.bind.annotation.RequestParam;
23  
24  /**
25   * The request parameters resolver.
26   *
27   * @author Christian Bremer
28   */
29  public class RequestParametersResolver implements QueryParametersResolver {
30  
31    @Override
32    public MultiValueMap<String, Object> apply(Invocation invocation) {
33      return invocation.toMethodParameterStream()
34          .map(invocationParameter -> invocationParameter.toMultiValueMap(
35              RequestParam.class,
36              RequestParam::value,
37              v -> v))
38          .collect(
39              LinkedMultiValueMap::new,
40              LinkedMultiValueMap::putAll,
41              LinkedMultiValueMap::putAll);
42    }
43  }