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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.artifact;
20  
21  import java.util.HashMap;
22  import java.util.Map;
23  
24  import org.eclipse.aether.artifact.ArtifactType;
25  import org.eclipse.aether.artifact.ArtifactTypeRegistry;
26  
27  /**
28   * A simple map-based artifact type registry.
29   */
30  class SimpleArtifactTypeRegistry implements ArtifactTypeRegistry {
31  
32      private final Map<String, ArtifactType> types;
33  
34      /**
35       * Creates a new artifact type registry with initally no registered artifact types. Use {@link #add(ArtifactType)}
36       * to populate the registry.
37       */
38      SimpleArtifactTypeRegistry() {
39          types = new HashMap<>();
40      }
41  
42      /**
43       * Adds the specified artifact type to the registry.
44       *
45       * @param type The artifact type to add, must not be {@code null}.
46       * @return This registry for chaining, never {@code null}.
47       */
48      public SimpleArtifactTypeRegistry add(ArtifactType type) {
49          types.put(type.getId(), type);
50          return this;
51      }
52  
53      public ArtifactType get(String typeId) {
54          return types.get(typeId);
55      }
56  
57      @Override
58      public String toString() {
59          return types.toString();
60      }
61  }