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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.maven.model.profile;
20  
21  import java.util.List;
22  
23  import org.apache.maven.model.Model;
24  import org.apache.maven.model.Profile;
25  import org.apache.maven.model.building.ModelBuildingRequest;
26  import org.apache.maven.model.building.ModelProblemCollector;
27  
28  /**
29   * Handles profile injection into the model.
30   *
31   */
32  public interface ProfileInjector {
33  
34      /**
35       * Merges values from the specified profile into the given model. Implementations are expected to keep the profile
36       * and model completely decoupled by injecting deep copies rather than the original objects from the profile.
37       *
38       * @param model The model into which to merge the values defined by the profile, must not be <code>null</code>.
39       * @param profile The (read-only) profile whose values should be injected, may be <code>null</code>.
40       * @param request The model building request that holds further settings, must not be {@code null}.
41       * @param problems The container used to collect problems that were encountered, must not be {@code null}.
42       */
43      void injectProfile(Model model, Profile profile, ModelBuildingRequest request, ModelProblemCollector problems);
44  
45      /**
46       * Merges values from the specified profile into the given model. Implementations are expected to keep the profile
47       * and model completely decoupled by injecting deep copies rather than the original objects from the profile.
48       *
49       * @param model The model into which to merge the values defined by the profile, must not be <code>null</code>.
50       * @param profile The (read-only) profile whose values should be injected, may be <code>null</code>.
51       * @param request The model building request that holds further settings, must not be {@code null}.
52       * @param problems The container used to collect problems that were encountered, must not be {@code null}.
53       */
54      default org.apache.maven.api.model.Model injectProfile(
55              org.apache.maven.api.model.Model model,
56              org.apache.maven.api.model.Profile profile,
57              ModelBuildingRequest request,
58              ModelProblemCollector problems) {
59          Model m = new Model(model);
60          injectProfile(m, profile != null ? new Profile(profile) : null, request, problems);
61          return m.getDelegate();
62      }
63  
64      /**
65       * Merges values from the specified profile into the given model. Implementations are expected to keep the profile
66       * and model completely decoupled by injecting deep copies rather than the original objects from the profile.
67       *
68       * @param model The model into which to merge the values defined by the profile, must not be <code>null</code>.
69       * @param profiles The (read-only) list of profiles whose values should be injected, must not be <code>null</code>.
70       * @param request The model building request that holds further settings, must not be {@code null}.
71       * @param problems The container used to collect problems that were encountered, must not be {@code null}.
72       */
73      default org.apache.maven.api.model.Model injectProfiles(
74              org.apache.maven.api.model.Model model,
75              List<org.apache.maven.api.model.Profile> profiles,
76              ModelBuildingRequest request,
77              ModelProblemCollector problems) {
78          for (org.apache.maven.api.model.Profile profile : profiles) {
79              if (profile != null) {
80                  model = injectProfile(model, profile, request, problems);
81              }
82          }
83          return model;
84      }
85  }