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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.eclipse.aether.util.repository;
20  
21  import java.util.HashMap;
22  import java.util.Map;
23  
24  import org.eclipse.aether.repository.Authentication;
25  import org.eclipse.aether.repository.AuthenticationSelector;
26  import org.eclipse.aether.repository.RemoteRepository;
27  
28  import static java.util.Objects.requireNonNull;
29  
30  /**
31   * A simple authentication selector that selects authentication based on repository identifiers.
32   */
33  public final class DefaultAuthenticationSelector implements AuthenticationSelector {
34  
35      private final Map<String, Authentication> repos = new HashMap<>();
36  
37      /**
38       * Adds the specified authentication info for the given repository identifier.
39       *
40       * @param id The identifier of the repository to add the authentication for, must not be {@code null}.
41       * @param auth The authentication to add, may be {@code null}.
42       * @return This selector for chaining, never {@code null}.
43       */
44      public DefaultAuthenticationSelector add(String id, Authentication auth) {
45          if (auth != null) {
46              repos.put(id, auth);
47          } else {
48              repos.remove(id);
49          }
50  
51          return this;
52      }
53  
54      public Authentication getAuthentication(RemoteRepository repository) {
55          requireNonNull(repository, "repository cannot be null");
56          return repos.get(repository.getId());
57      }
58  }