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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.settings.building;
20  
21  import java.io.File;
22  import java.util.Properties;
23  
24  /**
25   * Collects settings that control the building of effective settings.
26   *
27   * @author Benjamin Bentmann
28   */
29  public interface SettingsBuildingRequest {
30  
31      /**
32       * Gets the global settings file.
33       *
34       * @return The global settings file or {@code null} if none.
35       */
36      File getGlobalSettingsFile();
37  
38      /**
39       * Sets the global settings file. A non-existent settings file is equivalent to empty settings. If both user
40       * settings and global settings are given, the user settings take precedence.
41       *
42       * @param globalSettingsFile The global settings file, may be {@code null} to disable global settings.
43       * @return This request, never {@code null}.
44       */
45      SettingsBuildingRequest setGlobalSettingsFile(File globalSettingsFile);
46  
47      /**
48       * Gets the global settings source.
49       *
50       * @return The global settings source or {@code null} if none.
51       */
52      SettingsSource getGlobalSettingsSource();
53  
54      /**
55       * Sets the global settings source. If both user settings and a global settings are given, the user settings take
56       * precedence.
57       *
58       * @param globalSettingsSource The global settings source, may be {@code null} to disable global settings.
59       * @return This request, never {@code null}.
60       */
61      SettingsBuildingRequest setGlobalSettingsSource(SettingsSource globalSettingsSource);
62  
63      /**
64       * Gets the project settings file.
65       *
66       * @return The project settings file or {@code null} if none.
67       * @since 4.0.0
68       */
69      File getProjectSettingsFile();
70  
71      /**
72       * Sets the project settings file. A non-existent settings file is equivalent to empty settings.
73       *
74       * @param projectSettingsFile The project settings file, may be {@code null} to disable project settings.
75       * @return This request, never {@code null}.
76       * @since 4.0.0
77       */
78      DefaultSettingsBuildingRequest setProjectSettingsFile(File projectSettingsFile);
79  
80      /**
81       * Gets the project settings source.
82       *
83       * @return The project settings source or {@code null} if none.
84       * @since 4.0.0
85       */
86      SettingsSource getProjectSettingsSource();
87  
88      /**
89       * Sets the project settings source.
90       *
91       * @param projectSettingsSource The project settings source, may be {@code null} to disable global settings.
92       * @return This request, never {@code null}.
93       * @since 4.0.0
94       */
95      SettingsBuildingRequest setProjectSettingsSource(SettingsSource projectSettingsSource);
96  
97      /**
98       * Gets the user settings file.
99       *
100      * @return The user settings file or {@code null} if none.
101      */
102     File getUserSettingsFile();
103 
104     /**
105      * Sets the user settings file. A non-existent settings file is equivalent to empty settings. If both a user
106      * settings file and a global settings file are given, the user settings take precedence.
107      *
108      * @param userSettingsFile The user settings file, may be {@code null} to disable user settings.
109      * @return This request, never {@code null}.
110      */
111     SettingsBuildingRequest setUserSettingsFile(File userSettingsFile);
112 
113     /**
114      * Gets the user settings source.
115      *
116      * @return The user settings source or {@code null} if none.
117      */
118     SettingsSource getUserSettingsSource();
119 
120     /**
121      * Sets the user settings source. If both user settings and a global settings are given, the user settings take
122      * precedence.
123      *
124      * @param userSettingsSource The user settings source, may be {@code null} to disable user settings.
125      * @return This request, never {@code null}.
126      */
127     SettingsBuildingRequest setUserSettingsSource(SettingsSource userSettingsSource);
128 
129     /**
130      * Gets the system properties to use for interpolation. The system properties are collected from the runtime
131      * environment like {@link System#getProperties()} and environment variables.
132      *
133      * @return The system properties, never {@code null}.
134      */
135     Properties getSystemProperties();
136 
137     /**
138      * Sets the system properties to use for interpolation. The system properties are collected from the runtime
139      * environment like {@link System#getProperties()} and environment variables.
140      *
141      * @param systemProperties The system properties, may be {@code null}.
142      * @return This request, never {@code null}.
143      */
144     SettingsBuildingRequest setSystemProperties(Properties systemProperties);
145 
146     /**
147      * Gets the user properties to use for interpolation. The user properties have been configured directly by the user
148      * on his discretion, e.g. via the {@code -Dkey=value} parameter on the command line.
149      *
150      * @return The user properties, never {@code null}.
151      */
152     Properties getUserProperties();
153 
154     /**
155      * Sets the user properties to use for interpolation. The user properties have been configured directly by the user
156      * on his discretion, e.g. via the {@code -Dkey=value} parameter on the command line.
157      *
158      * @param userProperties The user properties, may be {@code null}.
159      * @return This request, never {@code null}.
160      */
161     SettingsBuildingRequest setUserProperties(Properties userProperties);
162 }